// ========================================================================
// Copyright 2007 - Volian Enterprises, Inc. All rights reserved.          
// Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
// ------------------------------------------------------------------------
// $Workfile: $     $Revision: $                                           
// $Author: $   $Date: $                                                   
//                                                                         
// $History: $                                                             
// ========================================================================

using System;
using System.Data;
using System.Data.SqlClient;
using Csla;
using Csla.Data;
using System.Configuration;
using System.IO;
using System.ComponentModel;
using System.Collections.Generic;
using Csla.Validation;
namespace VEPROMS.CSLA.Library
{
	/// <summary>
	///	Assignment Generated by MyGeneration using the CSLA Object Mapping template
	/// </summary>
	[Serializable()]
	[TypeConverter(typeof(AssignmentConverter))]
	public partial class Assignment : BusinessBase<Assignment>, IDisposable, IVEHasBrokenRules
	{
		#region Log4Net
		private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
		#endregion
		#region Refresh
		private List<Assignment> _RefreshAssignments = new List<Assignment>();
		private void AddToRefreshList(List<Assignment> refreshAssignments)
		{
			if (IsDirty)
				refreshAssignments.Add(this);
		}
		private void BuildRefreshList()
		{
			_RefreshAssignments = new List<Assignment>();
			AddToRefreshList(_RefreshAssignments);
		}
		private void ProcessRefreshList()
		{
			foreach (Assignment tmp in _RefreshAssignments)
			{
				AssignmentInfo.Refresh(tmp);
				if (tmp._MyFolder != null) FolderInfo.Refresh(tmp._MyFolder);
				if (tmp._MyGroup != null) GroupInfo.Refresh(tmp._MyGroup);
				if (tmp._MyRole != null) RoleInfo.Refresh(tmp._MyRole);
			}
		}
		#endregion
		#region Collection
		private static List<Assignment> _CacheList = new List<Assignment>();
		protected static void AddToCache(Assignment assignment)
		{
			if (!_CacheList.Contains(assignment)) _CacheList.Add(assignment); // In AddToCache
		}
		protected static void RemoveFromCache(Assignment assignment)
		{
			while (_CacheList.Contains(assignment)) _CacheList.Remove(assignment); // In RemoveFromCache
		}
		private static Dictionary<string, List<Assignment>> _CacheByPrimaryKey = new Dictionary<string, List<Assignment>>();
		private static void ConvertListToDictionary()
		{
			List<Assignment> remove = new List<Assignment>();
			foreach (Assignment tmp in _CacheList)
			{
				if (!_CacheByPrimaryKey.ContainsKey(tmp.AID.ToString()))
				{
					_CacheByPrimaryKey[tmp.AID.ToString()] = new List<Assignment>(); // Add new list for PrimaryKey
				}
				_CacheByPrimaryKey[tmp.AID.ToString()].Add(tmp); // Add to Primary Key list
				remove.Add(tmp);
			}
			foreach (Assignment tmp in remove)
				RemoveFromCache(tmp);
		}
		protected static Assignment GetCachedByPrimaryKey(int aid)
		{
			ConvertListToDictionary();
			string key = aid.ToString();
			if (_CacheByPrimaryKey.ContainsKey(key)) return _CacheByPrimaryKey[key][0];
			return null;
		}
		#endregion
		#region Business Methods
		private string _ErrorMessage = string.Empty;
		public string ErrorMessage
		{
			get { return _ErrorMessage; }
		}
		private static int _nextAID = -1;
		public static int NextAID
		{
			get { return _nextAID--; }
		}
		private int _AID;
		[System.ComponentModel.DataObjectField(true, true)]
		public int AID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("AID", true);
				return _AID;
			}
		}
		private int _GID;
		public int GID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("GID", true);
				if (_MyGroup != null) _GID = _MyGroup.GID;
				return _GID;
			}
		}
		private Group _MyGroup;
		public Group MyGroup
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("MyGroup", true);
				if (_MyGroup == null && _GID != 0) _MyGroup = Group.Get(_GID);
				return _MyGroup;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("MyGroup", true);
				if (_MyGroup != value)
				{
					_MyGroup = value;
					PropertyHasChanged();
				}
			}
		}
		private int _RID;
		public int RID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("RID", true);
				if (_MyRole != null) _RID = _MyRole.RID;
				return _RID;
			}
		}
		private Role _MyRole;
		public Role MyRole
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("MyRole", true);
				if (_MyRole == null && _RID != 0) _MyRole = Role.Get(_RID);
				return _MyRole;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("MyRole", true);
				if (_MyRole != value)
				{
					_MyRole = value;
					PropertyHasChanged();
				}
			}
		}
		private int _FolderID;
		public int FolderID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("FolderID", true);
				if (_MyFolder != null) _FolderID = _MyFolder.FolderID;
				return _FolderID;
			}
		}
		private Folder _MyFolder;
		public Folder MyFolder
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("MyFolder", true);
				if (_MyFolder == null && _FolderID != 0) _MyFolder = Folder.Get(_FolderID);
				return _MyFolder;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("MyFolder", true);
				if (_MyFolder != value)
				{
					_MyFolder = value;
					PropertyHasChanged();
				}
			}
		}
		private string _StartDate = string.Empty;
		public string StartDate
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("StartDate", true);
				return _StartDate;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("StartDate", true);
				if (value == null) value = string.Empty;
				_StartDate = value;
				try
				{
					SmartDate tmp = new SmartDate(value);
					if (_StartDate != tmp.ToString())
					{
						_StartDate = tmp.ToString();
						// TODO: Any Cross Property Validation
					}
				}
				catch
				{
				}
				PropertyHasChanged();
			}
		}
		private string _EndDate = string.Empty;
		public string EndDate
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("EndDate", true);
				return _EndDate;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("EndDate", true);
				if (value == null) value = string.Empty;
				_EndDate = value;
				try
				{
					SmartDate tmp = new SmartDate(value);
					if (_EndDate != tmp.ToString())
					{
						_EndDate = tmp.ToString();
						// TODO: Any Cross Property Validation
					}
				}
				catch
				{
				}
				PropertyHasChanged();
			}
		}
		private DateTime _DTS = new DateTime();
		public DateTime DTS
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("DTS", true);
				return _DTS;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("DTS", true);
				if (_DTS != value)
				{
					_DTS = value;
					PropertyHasChanged();
				}
			}
		}
		private string _UsrID = string.Empty;
		public string UsrID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("UsrID", true);
				return _UsrID;
			}
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			set
			{
				CanWriteProperty("UsrID", true);
				if (value == null) value = string.Empty;
				if (_UsrID != value)
				{
					_UsrID = value;
					PropertyHasChanged();
				}
			}
		}
		private byte[] _LastChanged = new byte[8];//timestamp
		public override bool IsDirty
		{
			get 
			{
				if ( base.IsDirty ) 
					return true;
				return IsDirtyList(new List<object>());
			}
		}
		public bool IsDirtyList(List<object> list)
		{
			if (base.IsDirty || list.Contains(this))
				return base.IsDirty;
			list.Add(this);
			return base.IsDirty || (_MyFolder == null ? false : _MyFolder.IsDirtyList(list)) || (_MyGroup == null ? false : _MyGroup.IsDirtyList(list)) || (_MyRole == null ? false : _MyRole.IsDirtyList(list));
		}
		public override bool IsValid
		{
			get { return IsValidList(new List<object>()); }
		}
		public bool IsValidList(List<object> list)
		{
			if(list.Contains(this))
				return (IsNew && !IsDirty) ? true : base.IsValid;
			list.Add(this);
			return ((IsNew && !IsDirty) ? true : base.IsValid) && (_MyFolder == null ? true : _MyFolder.IsValid) && (_MyGroup == null ? true : _MyGroup.IsValid) && (_MyRole == null ? true : _MyRole.IsValid);
		}
		// TODO: Replace base Assignment.ToString function as necessary
		/// <summary>
		/// Overrides Base ToString
		/// </summary>
		/// <returns>A string representation of current Assignment</returns>
		//public override string ToString()
		//{
		//  return base.ToString();
		//}
		// TODO: Check Assignment.GetIdValue to assure that the ID returned is unique
		/// <summary>
		/// Overrides Base GetIdValue - Used internally by CSLA to determine equality
		/// </summary>
		/// <returns>A Unique ID for the current Assignment</returns>
		protected override object GetIdValue()
		{
			return MyAssignmentUnique; // Absolutely Unique ID
		}
		#endregion
		#region ValidationRules
		[NonSerialized]
		private bool _CheckingBrokenRules = false;
		public IVEHasBrokenRules HasBrokenRules
		{
			get
			{
				if (_CheckingBrokenRules) return null;
				if ((IsDirty || !IsNew) && BrokenRulesCollection.Count > 0) return this;
				try
				{
					_CheckingBrokenRules = true;
					IVEHasBrokenRules hasBrokenRules = null;
					if (_MyGroup != null && (hasBrokenRules = _MyGroup.HasBrokenRules) != null) return hasBrokenRules;
					if (_MyRole != null && (hasBrokenRules = _MyRole.HasBrokenRules) != null) return hasBrokenRules;
					if (_MyFolder != null && (hasBrokenRules = _MyFolder.HasBrokenRules) != null) return hasBrokenRules;
					return hasBrokenRules;
				}
				finally
				{
					_CheckingBrokenRules = false;
				}
			}
		}
		public BrokenRulesCollection BrokenRules
		{
			get
			{
				IVEHasBrokenRules hasBrokenRules = HasBrokenRules;
				if (this.Equals(hasBrokenRules)) return BrokenRulesCollection;
				return (hasBrokenRules != null ? hasBrokenRules.BrokenRules : null);
			}
		}
		protected override void AddBusinessRules()
		{
			ValidationRules.AddRule<Assignment>(MyGroupRequired, "MyGroup");
			ValidationRules.AddRule<Assignment>(MyRoleRequired, "MyRole");
			ValidationRules.AddRule<Assignment>(MyFolderRequired, "MyFolder");
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringRequired, "StartDate");
			ValidationRules.AddRule<Assignment>(StartDateValid, "StartDate");
			ValidationRules.AddRule<Assignment>(EndDateValid, "EndDate");
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringRequired, "UsrID");
			ValidationRules.AddRule(
				Csla.Validation.CommonRules.StringMaxLength,
				new Csla.Validation.CommonRules.MaxLengthRuleArgs("UsrID", 100));
			//ValidationRules.AddDependantProperty("x", "y");
			_AssignmentExtension.AddValidationRules(ValidationRules);
			// TODO:  Add other validation rules
		}
		protected override void AddInstanceBusinessRules()
		{
			_AssignmentExtension.AddInstanceValidationRules(ValidationRules);
			// TODO:  Add other validation rules
		}
		private static bool StartDateValid(Assignment target, Csla.Validation.RuleArgs e)
		{
			try
			{
				DateTime tmp = SmartDate.StringToDate(target._StartDate);
			}
			catch
			{
				e.Description = "Invalid Date";
				return false;
			}
			return true;
		}
		private static bool EndDateValid(Assignment target, Csla.Validation.RuleArgs e)
		{
			try
			{
				DateTime tmp = SmartDate.StringToDate(target._EndDate);
			}
			catch
			{
				e.Description = "Invalid Date";
				return false;
			}
			return true;
		}
		private static bool MyGroupRequired(Assignment target, Csla.Validation.RuleArgs e)
		{
			if (target._GID == 0 && target._MyGroup == null) // Required field missing
			{
				e.Description = "Required";
				return false;
			}
			return true;
		}
		private static bool MyRoleRequired(Assignment target, Csla.Validation.RuleArgs e)
		{
			if (target._RID == 0 && target._MyRole == null) // Required field missing
			{
				e.Description = "Required";
				return false;
			}
			return true;
		}
		private static bool MyFolderRequired(Assignment target, Csla.Validation.RuleArgs e)
		{
			if (target._FolderID == 0 && target._MyFolder == null) // Required field missing
			{
				e.Description = "Required";
				return false;
			}
			return true;
		}
		// Sample data comparison validation rule
		//private bool StartDateGTEndDate(object target, Csla.Validation.RuleArgs e)
		//{
		//	if (_started > _ended)
		//	{
		//		e.Description = "Start date can't be after end date";
		//		return false;
		//	}
		//	else
		//		return true;
		//}
		#endregion
		#region Authorization Rules
		protected override void AddAuthorizationRules()
		{
			//TODO: Who can read/write which fields
			//AuthorizationRules.AllowRead(AID, "<Role(s)>");
			//AuthorizationRules.AllowRead(GID, "<Role(s)>");
			//AuthorizationRules.AllowRead(RID, "<Role(s)>");
			//AuthorizationRules.AllowRead(FolderID, "<Role(s)>");
			//AuthorizationRules.AllowRead(StartDate, "<Role(s)>");
			//AuthorizationRules.AllowRead(EndDate, "<Role(s)>");
			//AuthorizationRules.AllowRead(DTS, "<Role(s)>");
			//AuthorizationRules.AllowRead(UsrID, "<Role(s)>");
			//AuthorizationRules.AllowWrite(GID, "<Role(s)>");
			//AuthorizationRules.AllowWrite(RID, "<Role(s)>");
			//AuthorizationRules.AllowWrite(FolderID, "<Role(s)>");
			//AuthorizationRules.AllowWrite(StartDate, "<Role(s)>");
			//AuthorizationRules.AllowWrite(EndDate, "<Role(s)>");
			//AuthorizationRules.AllowWrite(DTS, "<Role(s)>");
			//AuthorizationRules.AllowWrite(UsrID, "<Role(s)>");
			_AssignmentExtension.AddAuthorizationRules(AuthorizationRules);
		}
		protected override void AddInstanceAuthorizationRules()
		{
			//TODO: Who can read/write which fields
			_AssignmentExtension.AddInstanceAuthorizationRules(AuthorizationRules);
		}
		public static bool CanAddObject()
		{
			// TODO: Can Add Authorization
			//return Csla.ApplicationContext.User.IsInRole("ProjectManager");
			return true;
		}
		public static bool CanGetObject()
		{
			// TODO: CanGet Authorization
			return true;
		}
		public static bool CanDeleteObject()
		{
			// TODO: CanDelete Authorization
			//bool result = false;
			//if (Csla.ApplicationContext.User.IsInRole("ProjectManager"))result = true;
			//if (Csla.ApplicationContext.User.IsInRole("Administrator"))result = true;
			//return result;
			return true;
		}
		public static bool CanEditObject()
		{
			// TODO: CanEdit Authorization
			//return Csla.ApplicationContext.User.IsInRole("ProjectManager");
			return true;
		}
		#endregion
		#region Factory Methods
		public int CurrentEditLevel
		{ get { return EditLevel; } }
		private static int _AssignmentUnique = 0;
		protected static int AssignmentUnique
		{ get { return ++_AssignmentUnique; } }
		private int _MyAssignmentUnique = AssignmentUnique;
		public int MyAssignmentUnique // Absolutely Unique ID - Editable
		{ get { return _MyAssignmentUnique; } }
		protected Assignment()
		{/* require use of factory methods */
			AddToCache(this);
		}
		public void Dispose()
		{
			RemoveFromDictionaries();
		}
		private void RemoveFromDictionaries()
		{
			RemoveFromCache(this);
			if (_CacheByPrimaryKey.ContainsKey(AID.ToString()))
			{
				List<Assignment> listAssignment = _CacheByPrimaryKey[AID.ToString()]; // Get the list of items
				while (listAssignment.Contains(this)) listAssignment.Remove(this); // Remove the item from the list
				if (listAssignment.Count == 0) //If there are no items left in the list
					_CacheByPrimaryKey.Remove(AID.ToString()); // remove the list
			}
		}
		public static Assignment New()
		{
			if (!CanAddObject())
				throw new System.Security.SecurityException("User not authorized to add a Assignment");
			try
			{
				return DataPortal.Create<Assignment>();
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Assignment.New", ex);
			}
		}
		public static Assignment New(Group myGroup, Role myRole, Folder myFolder)
		{
			Assignment tmp = Assignment.New();
			tmp.MyGroup = myGroup;
			tmp.MyRole = myRole;
			tmp.MyFolder = myFolder;
			return tmp;
		}
		public static Assignment New(Group myGroup, Role myRole, Folder myFolder, string startDate, string endDate, DateTime dts, string usrID)
		{
			Assignment tmp = Assignment.New();
			tmp.MyGroup = myGroup;
			tmp.MyRole = myRole;
			tmp.MyFolder = myFolder;
			tmp.StartDate = startDate;
			tmp.EndDate = endDate;
			tmp.DTS = dts;
			tmp.UsrID = usrID;
			return tmp;
		}
		public static Assignment MakeAssignment(Group myGroup, Role myRole, Folder myFolder, string startDate, string endDate, DateTime dts, string usrID)
		{
			Assignment tmp = Assignment.New(myGroup, myRole, myFolder, startDate, endDate, dts, usrID);
			if (tmp.IsSavable)
			{
				Assignment tmp2 = tmp;
				tmp = tmp2.Save();
				tmp2.Dispose();
			}
			else
			{
				Csla.Validation.BrokenRulesCollection brc = tmp.ValidationRules.GetBrokenRules();
				tmp._ErrorMessage = "Failed Validation:";
				foreach (Csla.Validation.BrokenRule br in brc)
				{
					tmp._ErrorMessage += "\r\n\tFailure: " + br.RuleName;
				}
			}
			return tmp;
		}
		public static Assignment New(Group myGroup, Role myRole, Folder myFolder, string endDate)
		{
			Assignment tmp = Assignment.New();
			tmp.MyGroup = myGroup;
			tmp.MyRole = myRole;
			tmp.MyFolder = myFolder;
			tmp.EndDate = endDate;
			return tmp;
		}
		public static Assignment MakeAssignment(Group myGroup, Role myRole, Folder myFolder, string endDate)
		{
			Assignment tmp = Assignment.New(myGroup, myRole, myFolder, endDate);
			if (tmp.IsSavable)
			{
				Assignment tmp2 = tmp;
				tmp = tmp2.Save();
				tmp2.Dispose();
			}
			else
			{
				Csla.Validation.BrokenRulesCollection brc = tmp.ValidationRules.GetBrokenRules();
				tmp._ErrorMessage = "Failed Validation:";
				foreach (Csla.Validation.BrokenRule br in brc)
				{
					tmp._ErrorMessage += "\r\n\tFailure: " + br.RuleName;
				}
			}
			return tmp;
		}
		public static Assignment Get(int aid)
		{
			if (!CanGetObject())
				throw new System.Security.SecurityException("User not authorized to view a Assignment");
			try
			{
				Assignment tmp = GetCachedByPrimaryKey(aid);
				if (tmp == null)
				{
					tmp = DataPortal.Fetch<Assignment>(new PKCriteria(aid));
					AddToCache(tmp);
				}
				if (tmp.ErrorMessage == "No Record Found") 
				{
					tmp.Dispose(); // Clean-up Assignment
					tmp = null;
				}
				return tmp;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Assignment.Get", ex);
			}
		}
		public static Assignment Get(SafeDataReader dr)
		{
			if (dr.Read()) return new Assignment(dr);
			return null;
		}
		internal Assignment(SafeDataReader dr)
		{
			ReadData(dr);
		}
		public static void Delete(int aid)
		{
			if (!CanDeleteObject())
				throw new System.Security.SecurityException("User not authorized to remove a Assignment");
			try
			{
				DataPortal.Delete(new PKCriteria(aid));
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Assignment.Delete", ex);
			}
		}
		public override Assignment Save()
		{
			if (IsDeleted && !CanDeleteObject())
				throw new System.Security.SecurityException("User not authorized to remove a Assignment");
			else if (IsNew && !CanAddObject())
				throw new System.Security.SecurityException("User not authorized to add a Assignment");
			else if (!CanEditObject())
				throw new System.Security.SecurityException("User not authorized to update a Assignment");
			try
			{
				BuildRefreshList();
				Assignment assignment = base.Save();
				RemoveFromDictionaries(); // if save is successful remove the previous Folder from the cache
				AddToCache(assignment);//Refresh the item in AllList
				ProcessRefreshList();
				return assignment;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on CSLA Save", ex);
			}
		}
		#endregion
		#region Data Access Portal
		[Serializable()]
		protected class PKCriteria
		{
			private int _AID;
			public int AID
			{ get { return _AID; } }
			public PKCriteria(int aid)
			{
				_AID = aid;
			}
		}
		// TODO: If Create needs to access DB - It should not be marked RunLocal
		[RunLocal()]
		private new void DataPortal_Create()
		{
			_AID = NextAID;
			// Database Defaults
			_StartDate = _AssignmentExtension.DefaultStartDate;
			_DTS = _AssignmentExtension.DefaultDTS;
			_UsrID = _AssignmentExtension.DefaultUsrID;
			// TODO: Add any defaults that are necessary
			ValidationRules.CheckRules();
		}
		private void ReadData(SafeDataReader dr)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.ReadData", GetHashCode());
			try
			{
				_AID = dr.GetInt32("AID");
				_GID = dr.GetInt32("GID");
				_RID = dr.GetInt32("RID");
				_FolderID = dr.GetInt32("FolderID");
				_StartDate = dr.GetSmartDate("StartDate").Text;
				_EndDate = dr.GetSmartDate("EndDate").Text;
				_DTS = dr.GetDateTime("DTS");
				_UsrID = dr.GetString("UsrID");
				dr.GetBytes("LastChanged", 0, _LastChanged, 0, 8);
				MarkOld();
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.ReadData", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Assignment.ReadData", ex);
			}
		}
		private void DataPortal_Fetch(PKCriteria criteria)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.DataPortal_Fetch", GetHashCode());
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					ApplicationContext.LocalContext["cn"] = cn;
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "getAssignment";
						cm.Parameters.AddWithValue("@AID", criteria.AID);
						using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
						{
							if (!dr.Read())
							{
								_ErrorMessage = "No Record Found";
								return;
							}
							ReadData(dr);
						}
					}
					// removing of item only needed for local data portal
					if (ApplicationContext.ExecutionLocation == ApplicationContext.ExecutionLocations.Client)
						ApplicationContext.LocalContext.Remove("cn");
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.DataPortal_Fetch", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Assignment.DataPortal_Fetch", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_Insert()
		{
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					ApplicationContext.LocalContext["cn"] = cn;
					SQLInsert();
					// removing of item only needed for local data portal
					if (ApplicationContext.ExecutionLocation == ApplicationContext.ExecutionLocations.Client)
						ApplicationContext.LocalContext.Remove("cn");
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.DataPortal_Insert", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Assignment.DataPortal_Insert", ex);
			}
			finally
			{
				if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.DataPortal_Insert", GetHashCode());
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		internal void SQLInsert()
		{
			if (!this.IsDirty) return;
			try
			{
				if (_MyFolder != null) _MyFolder.Update();
				if (_MyGroup != null) _MyGroup.Update();
				if (_MyRole != null) _MyRole.Update();
				SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "addAssignment";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@GID", GID);
					cm.Parameters.AddWithValue("@RID", RID);
					cm.Parameters.AddWithValue("@FolderID", FolderID);
					cm.Parameters.AddWithValue("@StartDate", new SmartDate(_StartDate).DBValue);
					cm.Parameters.AddWithValue("@EndDate", new SmartDate(_EndDate).DBValue);
					if (_DTS.Year >= 1753 && _DTS.Year <= 9999) cm.Parameters.AddWithValue("@DTS", _DTS);
					cm.Parameters.AddWithValue("@UsrID", _UsrID);
					// Output Calculated Columns
					SqlParameter param_AID = new SqlParameter("@newAID", SqlDbType.Int);
					param_AID.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_AID);
					SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
					param_LastChanged.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_LastChanged);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
					// Save all values being returned from the Procedure
					_AID = (int)cm.Parameters["@newAID"].Value;
					_LastChanged = (byte[])cm.Parameters["@newLastChanged"].Value;
				}
				MarkOld();
				// update child objects
				if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.SQLInsert", GetHashCode());
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.SQLInsert", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Assignment.SQLInsert", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static byte[] Add(SqlConnection cn, ref int aid, Group myGroup, Role myRole, Folder myFolder, SmartDate startDate, SmartDate endDate, DateTime dts, string usrID)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.Add", 0);
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "addAssignment";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@GID", myGroup.GID);
					cm.Parameters.AddWithValue("@RID", myRole.RID);
					cm.Parameters.AddWithValue("@FolderID", myFolder.FolderID);
					cm.Parameters.AddWithValue("@StartDate", startDate.DBValue);
					cm.Parameters.AddWithValue("@EndDate", endDate.DBValue);
					if (dts.Year >= 1753 && dts.Year <= 9999) cm.Parameters.AddWithValue("@DTS", dts);
					cm.Parameters.AddWithValue("@UsrID", usrID);
					// Output Calculated Columns
					SqlParameter param_AID = new SqlParameter("@newAID", SqlDbType.Int);
					param_AID.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_AID);
					SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
					param_LastChanged.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_LastChanged);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
					// Save all values being returned from the Procedure
					aid = (int)cm.Parameters["@newAID"].Value;
					return (byte[])cm.Parameters["@newLastChanged"].Value;
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.Add", ex);
				throw new DbCslaException("Assignment.Add", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_Update()
		{
			if (!IsDirty) return;	// If not dirty - nothing to do
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.DataPortal_Update", GetHashCode());
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					ApplicationContext.LocalContext["cn"] = cn;
					SQLUpdate();
					// removing of item only needed for local data portal
					if (ApplicationContext.ExecutionLocation == ApplicationContext.ExecutionLocations.Client)
						ApplicationContext.LocalContext.Remove("cn");
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.DataPortal_Update", ex);
				_ErrorMessage = ex.Message;
				if (!ex.Message.EndsWith("has been edited by another user.")) throw ex;
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		internal void SQLUpdate()
		{
			if (!IsDirty) return;	// If not dirty - nothing to do
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.SQLUpdate", GetHashCode());
			try
			{
				if (_MyFolder != null) _MyFolder.Update();
				if (_MyGroup != null) _MyGroup.Update();
				if (_MyRole != null) _MyRole.Update();
				SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
				if (base.IsDirty)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "updateAssignment";
						// All Fields including Calculated Fields
						cm.Parameters.AddWithValue("@AID", _AID);
						cm.Parameters.AddWithValue("@GID", GID);
						cm.Parameters.AddWithValue("@RID", RID);
						cm.Parameters.AddWithValue("@FolderID", FolderID);
						cm.Parameters.AddWithValue("@StartDate", new SmartDate(_StartDate).DBValue);
						cm.Parameters.AddWithValue("@EndDate", new SmartDate(_EndDate).DBValue);
						if (_DTS.Year >= 1753 && _DTS.Year <= 9999) cm.Parameters.AddWithValue("@DTS", _DTS);
						cm.Parameters.AddWithValue("@UsrID", _UsrID);
						cm.Parameters.AddWithValue("@LastChanged", _LastChanged);
						// Output Calculated Columns
						SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
						param_LastChanged.Direction = ParameterDirection.Output;
						cm.Parameters.Add(param_LastChanged);
						// TODO: Define any additional output parameters
						cm.ExecuteNonQuery();
						// Save all values being returned from the Procedure
						_LastChanged = (byte[])cm.Parameters["@newLastChanged"].Value;
					}
				}
				MarkOld();
				// use the open connection to update child objects
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.SQLUpdate", ex);
				_ErrorMessage = ex.Message;
				if (!ex.Message.EndsWith("has been edited by another user.")) throw ex;
			}
		}
		internal void Update()
		{
			if (!this.IsDirty) return;
			if (base.IsDirty)
			{
				SqlConnection cn = (SqlConnection)ApplicationContext.LocalContext["cn"];
				if (IsNew)
					_LastChanged = Assignment.Add(cn, ref _AID, _MyGroup, _MyRole, _MyFolder, new SmartDate(_StartDate), new SmartDate(_EndDate), _DTS, _UsrID);
				else
					_LastChanged = Assignment.Update(cn, ref _AID, _MyGroup, _MyRole, _MyFolder, new SmartDate(_StartDate), new SmartDate(_EndDate), _DTS, _UsrID, ref _LastChanged);
				MarkOld();
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static byte[] Update(SqlConnection cn, ref int aid, Group myGroup, Role myRole, Folder myFolder, SmartDate startDate, SmartDate endDate, DateTime dts, string usrID, ref byte[] lastChanged)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.Update", 0);
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "updateAssignment";
					// Input All Fields - Except Calculated Columns
					cm.Parameters.AddWithValue("@AID", aid);
					cm.Parameters.AddWithValue("@GID", myGroup.GID);
					cm.Parameters.AddWithValue("@RID", myRole.RID);
					cm.Parameters.AddWithValue("@FolderID", myFolder.FolderID);
					cm.Parameters.AddWithValue("@StartDate", startDate.DBValue);
					cm.Parameters.AddWithValue("@EndDate", endDate.DBValue);
					if (dts.Year >= 1753 && dts.Year <= 9999) cm.Parameters.AddWithValue("@DTS", dts);
					cm.Parameters.AddWithValue("@UsrID", usrID);
					cm.Parameters.AddWithValue("@LastChanged", lastChanged);
					// Output Calculated Columns
					SqlParameter param_LastChanged = new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
					param_LastChanged.Direction = ParameterDirection.Output;
					cm.Parameters.Add(param_LastChanged);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
					// Save all values being returned from the Procedure
					return (byte[])cm.Parameters["@newLastChanged"].Value;
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.Update", ex);
				throw new DbCslaException("Assignment.Update", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		protected override void DataPortal_DeleteSelf()
		{
			DataPortal_Delete(new PKCriteria(_AID));
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		private void DataPortal_Delete(PKCriteria criteria)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.DataPortal_Delete", GetHashCode());
			try
			{
				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
				{
					using (SqlCommand cm = cn.CreateCommand())
					{
						cm.CommandType = CommandType.StoredProcedure;
						cm.CommandText = "deleteAssignment";
						cm.Parameters.AddWithValue("@AID", criteria.AID);
						cm.ExecuteNonQuery();
					}
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.DataPortal_Delete", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("Assignment.DataPortal_Delete", ex);
			}
		}
		[Transactional(TransactionalTypes.TransactionScope)]
		public static void Remove(SqlConnection cn, int aid)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.Remove", 0);
			try
			{
				using (SqlCommand cm = cn.CreateCommand())
				{
					cm.CommandType = CommandType.StoredProcedure;
					cm.CommandText = "deleteAssignment";
					// Input PK Fields
					cm.Parameters.AddWithValue("@AID", aid);
					// TODO: Define any additional output parameters
					cm.ExecuteNonQuery();
				}
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.Remove", ex);
				throw new DbCslaException("Assignment.Remove", ex);
			}
		}
		#endregion
		#region Exists
		public static bool Exists(int aid)
		{
			ExistsCommand result;
			try
			{
				result = DataPortal.Execute<ExistsCommand>(new ExistsCommand(aid));
				return result.Exists;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on Assignment.Exists", ex);
			}
		}
		[Serializable()]
		private class ExistsCommand : CommandBase
		{
			private int _AID;
			private bool _exists;
			public bool Exists
			{
				get { return _exists; }
			}
			public ExistsCommand(int aid)
			{
				_AID = aid;
			}
			protected override void DataPortal_Execute()
			{
				if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] Assignment.DataPortal_Execute", GetHashCode());
				try
				{
					using (SqlConnection cn = Database.VEPROMS_SqlConnection)
					{
						cn.Open();
						using (SqlCommand cm = cn.CreateCommand())
						{
							cm.CommandType = CommandType.StoredProcedure;
							cm.CommandText = "existsAssignment";
							cm.Parameters.AddWithValue("@AID", _AID);
							int count = (int)cm.ExecuteScalar();
							_exists = (count > 0);
						}
					}
				}
				catch (Exception ex)
				{
					if (_MyLog.IsErrorEnabled) _MyLog.Error("Assignment.DataPortal_Execute", ex);
					throw new DbCslaException("Assignment.DataPortal_Execute", ex);
				}
			}
		}
		#endregion
		// Standard Default Code
		#region extension
		AssignmentExtension _AssignmentExtension = new AssignmentExtension();
		[Serializable()]
		partial class AssignmentExtension : extensionBase
		{
		}
		[Serializable()]
		class extensionBase
		{
			// Default Values
			public virtual string DefaultStartDate
			{
				get { return DateTime.Now.ToShortDateString(); }
			}
			public virtual DateTime DefaultDTS
			{
				get { return DateTime.Now; }
			}
			public virtual string DefaultUsrID
			{
				get { return Environment.UserName.ToUpper(); }
			}
			// Authorization Rules
			public virtual void AddAuthorizationRules(Csla.Security.AuthorizationRules rules)
			{
				// Needs to be overriden to add new authorization rules
			}
			// Instance Authorization Rules
			public virtual void AddInstanceAuthorizationRules(Csla.Security.AuthorizationRules rules)
			{
				// Needs to be overriden to add new authorization rules
			}
			// Validation Rules
			public virtual void AddValidationRules(Csla.Validation.ValidationRules rules)
			{
				// Needs to be overriden to add new validation rules
			}
			// InstanceValidation Rules
			public virtual void AddInstanceValidationRules(Csla.Validation.ValidationRules rules)
			{
				// Needs to be overriden to add new validation rules
			}
		}
		#endregion
	} // Class
	#region Converter
	internal class AssignmentConverter : ExpandableObjectConverter
	{
		public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
		{
			if (destType == typeof(string) && value is Assignment)
			{
				// Return the ToString value
				return ((Assignment)value).ToString();
			}
			return base.ConvertTo(context, culture, value, destType);
		}
	}
	#endregion
} // Namespace


//// The following is a sample Extension File.  You can use it to create AssignmentExt.cs
//using System;
//using System.Collections.Generic;
//using System.Text;
//using Csla;

//namespace VEPROMS.CSLA.Library
//{
//  public partial class Assignment
//  {
//    partial class AssignmentExtension : extensionBase
//    {
//      // TODO: Override automatic defaults
//      public virtual SmartDate DefaultStartDate
//      {
//        get { return DateTime.Now.ToShortDateString(); }
//      }
//      public virtual DateTime DefaultDTS
//      {
//        get { return DateTime.Now; }
//      }
//      public virtual string DefaultUsrID
//      {
//        get { return Environment.UserName.ToUpper(); }
//      }
//      public new void AddAuthorizationRules(Csla.Security.AuthorizationRules rules)
//      {
//        //rules.AllowRead(Dbid, "<Role(s)>");
//      }
//      public new void AddInstanceAuthorizationRules(Csla.Security.AuthorizationRules rules)
//      {
//        //rules.AllowInstanceRead(Dbid, "<Role(s)>");
//      }
//      public new void AddValidationRules(Csla.Validation.ValidationRules rules)
//      {
//        rules.AddRule(
//          Csla.Validation.CommonRules.StringMaxLength,
//          new Csla.Validation.CommonRules.MaxLengthRuleArgs("Name", 100));
//      }
//      public new void AddInstanceValidationRules(Csla.Validation.ValidationRules rules)
//      {
//        rules.AddInstanceRule(/* Instance Validation Rule */);
//      }
//    }
//  }
//}