// ========================================================================
// 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;
namespace VEPROMS.CSLA.Library
{
	public delegate void ItemInfoEvent(object sender);
	/// <summary>
	///	ItemInfo Generated by MyGeneration using the CSLA Object Mapping template
	/// </summary>
	[Serializable()]
	[TypeConverter(typeof(ItemInfoConverter))]
	public partial class ItemInfo : ReadOnlyBase<ItemInfo>, IDisposable
	{
		public event ItemInfoEvent Changed;
		private void OnChange()
		{
			if (Changed != null) Changed(this);
		}
		#region Log4Net
		private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
		#endregion
		#region Collection
		private static List<ItemInfo> _CacheList = new List<ItemInfo>();
		protected static void AddToCache(ItemInfo itemInfo)
		{
			if (!_CacheList.Contains(itemInfo)) _CacheList.Add(itemInfo); // In AddToCache
		}
		protected static void RemoveFromCache(ItemInfo itemInfo)
		{
			while (_CacheList.Contains(itemInfo)) _CacheList.Remove(itemInfo); // In RemoveFromCache
		}
		private static Dictionary<string, List<ItemInfo>> _CacheByPrimaryKey = new Dictionary<string, List<ItemInfo>>();
		private static void ConvertListToDictionary()
		{
			while (_CacheList.Count > 0) // Move ItemInfo(s) from temporary _CacheList to _CacheByPrimaryKey
			{
				ItemInfo tmp = _CacheList[0]; // Get the first ItemInfo
				string pKey = tmp.ItemID.ToString();
				if (!_CacheByPrimaryKey.ContainsKey(pKey))
				{
					_CacheByPrimaryKey[pKey] = new List<ItemInfo>(); // Add new list for PrimaryKey
				}
				_CacheByPrimaryKey[pKey].Add(tmp); // Add to Primary Key list
				_CacheList.RemoveAt(0); // Remove the first ItemInfo
			}
		}
		internal static void AddList(ItemInfoList lst)
		{
			foreach (ItemInfo item in lst) AddToCache(item);
		}
		protected static ItemInfo GetCachedByPrimaryKey(int itemID)
		{
			ConvertListToDictionary();
			string key = itemID.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; }
		}
		protected Item _Editable;
		private IVEHasBrokenRules HasBrokenRules
		{
			get
			{
				IVEHasBrokenRules hasBrokenRules = null;
				if (_Editable != null)
					hasBrokenRules = _Editable.HasBrokenRules;
				return hasBrokenRules;
			}
		}
		private int _ItemID;
		[System.ComponentModel.DataObjectField(true, true)]
		public int ItemID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemID", true);
				return _ItemID;
			}
		}
		private int? _PreviousID;
		public int? PreviousID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("PreviousID", true);
				if (_MyPrevious != null) _PreviousID = _MyPrevious.ItemID;
				return _PreviousID;
			}
		}
		private ItemInfo _MyPrevious;
		public ItemInfo MyPrevious
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("MyPrevious", true);
				if (_MyPrevious == null && _PreviousID != null) _MyPrevious = ItemInfo.Get((int)_PreviousID);
				return _MyPrevious;
			}
		}
		private int _ContentID;
		public int ContentID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ContentID", true);
				if (_MyContent != null) _ContentID = _MyContent.ContentID;
				return _ContentID;
			}
		}
		private ContentInfo _MyContent;
		public ContentInfo MyContent
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("MyContent", true);
				if (_MyContent == null && _ContentID != 0) _MyContent = ContentInfo.Get(_ContentID);
				return _MyContent;
			}
		}
		private DateTime _DTS = new DateTime();
		public DateTime DTS
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("DTS", true);
				return _DTS;
			}
		}
		private string _UserID = string.Empty;
		public string UserID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("UserID", true);
				return _UserID;
			}
		}
		private int _ItemAnnotationCount = 0;
		/// <summary>
		/// Count of ItemAnnotations for this Item
		/// </summary>
		public int ItemAnnotationCount
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemAnnotationCount", true);
				if (_ItemAnnotationCount < 0)
					_ItemAnnotationCount = ItemAnnotations.Count;
				return _ItemAnnotationCount;
			}
		}
		private AnnotationInfoList _ItemAnnotations = null;
		[TypeConverter(typeof(AnnotationInfoListConverter))]
		public AnnotationInfoList ItemAnnotations
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemAnnotations", true);
				if (_ItemAnnotationCount < 0 || (_ItemAnnotationCount > 0 && _ItemAnnotations == null))
					_ItemAnnotations = AnnotationInfoList.GetByItemID(_ItemID);
				if (_ItemAnnotationCount < 0)
					_ItemAnnotationCount = _ItemAnnotations.Count;
				return _ItemAnnotations;
			}
		}
		public void RefreshItemAnnotations()
		{
			_ItemAnnotationCount = -1;
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(_ItemID.ToString()))
				foreach (ItemInfo tmp in _CacheByPrimaryKey[_ItemID.ToString()])
					tmp._ItemAnnotationCount = -1; // This will cause the data to be requeried
		}
		private int _ItemDocVersionCount = 0;
		/// <summary>
		/// Count of ItemDocVersions for this Item
		/// </summary>
		public int ItemDocVersionCount
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemDocVersionCount", true);
				if (_ItemDocVersionCount < 0)
					_ItemDocVersionCount = ItemDocVersions.Count;
				return _ItemDocVersionCount;
			}
		}
		private DocVersionInfoList _ItemDocVersions = null;
		[TypeConverter(typeof(DocVersionInfoListConverter))]
		public DocVersionInfoList ItemDocVersions
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemDocVersions", true);
				if (_ItemDocVersionCount < 0 || (_ItemDocVersionCount > 0 && _ItemDocVersions == null))
					_ItemDocVersions = DocVersionInfoList.GetByItemID(_ItemID);
				if (_ItemDocVersionCount < 0)
					_ItemDocVersionCount = _ItemDocVersions.Count;
				return _ItemDocVersions;
			}
		}
		public void RefreshItemDocVersions()
		{
			_ItemDocVersionCount = -1;
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(_ItemID.ToString()))
				foreach (ItemInfo tmp in _CacheByPrimaryKey[_ItemID.ToString()])
					tmp._ItemDocVersionCount = -1; // This will cause the data to be requeried
		}
		private int _NextItemCount = 0;
		/// <summary>
		/// Count of NextItems for this Item
		/// </summary>
		public int NextItemCount
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("NextItemCount", true);
				if (_NextItemCount < 0)
					_NextItemCount = NextItems.Count;
				return _NextItemCount;
			}
		}
		private ItemInfoList _NextItems = null;
		[TypeConverter(typeof(ItemInfoListConverter))]
		public ItemInfoList NextItems
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("NextItems", true);
				if (_NextItemCount < 0 || (_NextItemCount > 0 && _NextItems == null))
					_NextItems = ItemInfoList.GetNext(_ItemID);
				if (_NextItemCount < 0)
					_NextItemCount = _NextItems.Count;
				return _NextItems;
			}
		}
		public void RefreshNextItems()
		{
			_NextItemCount = -1;
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(_ItemID.ToString()))
				foreach (ItemInfo tmp in _CacheByPrimaryKey[_ItemID.ToString()])
					tmp._NextItemCount = -1; // This will cause the data to be requeried
		}
		private int _ItemPartCount = 0;
		/// <summary>
		/// Count of ItemParts for this Item
		/// </summary>
		public int ItemPartCount
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemPartCount", true);
				if (_ItemPartCount < 0)
					_ItemPartCount = ItemParts.Count;
				return _ItemPartCount;
			}
		}
		private PartInfoList _ItemParts = null;
		[TypeConverter(typeof(PartInfoListConverter))]
		public PartInfoList ItemParts
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemParts", true);
				if (_ItemPartCount < 0 || (_ItemPartCount > 0 && _ItemParts == null))
					_ItemParts = PartInfoList.GetByItemID(_ItemID);
				if (_ItemPartCount < 0)
					_ItemPartCount = _ItemParts.Count;
				return _ItemParts;
			}
		}
		public void RefreshItemParts()
		{
			_ItemPartCount = -1;
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(_ItemID.ToString()))
				foreach (ItemInfo tmp in _CacheByPrimaryKey[_ItemID.ToString()])
					tmp._ItemPartCount = -1; // This will cause the data to be requeried
		}
		private int _ItemTransition_RangeIDCount = 0;
		/// <summary>
		/// Count of ItemTransitions_RangeID for this Item
		/// </summary>
		public int ItemTransition_RangeIDCount
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemTransition_RangeIDCount", true);
				if (_ItemTransition_RangeIDCount < 0)
					_ItemTransition_RangeIDCount = ItemTransitions_RangeID.Count;
				return _ItemTransition_RangeIDCount;
			}
		}
		private TransitionInfoList _ItemTransitions_RangeID = null;
		[TypeConverter(typeof(TransitionInfoListConverter))]
		public TransitionInfoList ItemTransitions_RangeID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemTransitions_RangeID", true);
				if (_ItemTransition_RangeIDCount < 0 || (_ItemTransition_RangeIDCount > 0 && _ItemTransitions_RangeID == null))
					_ItemTransitions_RangeID = TransitionInfoList.GetByRangeID(_ItemID);
				if (_ItemTransition_RangeIDCount < 0)
					_ItemTransition_RangeIDCount = _ItemTransitions_RangeID.Count;
				return _ItemTransitions_RangeID;
			}
		}
		public void RefreshItemTransitions_RangeID()
		{
			_ItemTransition_RangeIDCount = -1;
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(_ItemID.ToString()))
				foreach (ItemInfo tmp in _CacheByPrimaryKey[_ItemID.ToString()])
					tmp._ItemTransition_RangeIDCount = -1; // This will cause the data to be requeried
		}
		private int _ItemTransition_ToIDCount = 0;
		/// <summary>
		/// Count of ItemTransitions_ToID for this Item
		/// </summary>
		public int ItemTransition_ToIDCount
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemTransition_ToIDCount", true);
				if (_ItemTransition_ToIDCount < 0)
					_ItemTransition_ToIDCount = ItemTransitions_ToID.Count;
				return _ItemTransition_ToIDCount;
			}
		}
		private TransitionInfoList _ItemTransitions_ToID = null;
		[TypeConverter(typeof(TransitionInfoListConverter))]
		public TransitionInfoList ItemTransitions_ToID
		{
			[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)]
			get
			{
				CanReadProperty("ItemTransitions_ToID", true);
				if (_ItemTransition_ToIDCount < 0 || (_ItemTransition_ToIDCount > 0 && _ItemTransitions_ToID == null))
					_ItemTransitions_ToID = TransitionInfoList.GetByToID(_ItemID);
				if (_ItemTransition_ToIDCount < 0)
					_ItemTransition_ToIDCount = _ItemTransitions_ToID.Count;
				return _ItemTransitions_ToID;
			}
		}
		public void RefreshItemTransitions_ToID()
		{
			_ItemTransition_ToIDCount = -1;
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(_ItemID.ToString()))
				foreach (ItemInfo tmp in _CacheByPrimaryKey[_ItemID.ToString()])
					tmp._ItemTransition_ToIDCount = -1; // This will cause the data to be requeried
		}
		// CSLATODO: Replace base ItemInfo.ToString function as necessary
		/// <summary>
		/// Overrides Base ToString
		/// </summary>
		/// <returns>A string representation of current ItemInfo</returns>
		//public override string ToString()
		//{
		//  return base.ToString();
		//}
		// CSLATODO: Check ItemInfo.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 ItemInfo</returns>
		protected override object GetIdValue()
		{
			return MyItemInfoUnique; // Absolutely Unique ID
		}
		#endregion
		#region Factory Methods
		private static int _ItemInfoUnique = 0;
		private static int ItemInfoUnique
		{ get { return ++_ItemInfoUnique; } }
		private int _MyItemInfoUnique = ItemInfoUnique;
		public int MyItemInfoUnique // Absolutely Unique ID - Info
		{ get { return _MyItemInfoUnique; } }
		protected ItemInfo()
		{/* require use of factory methods */
			AddToCache(this);
		}
		private bool _Disposed = false;
		private static int _CountCreated = 0;
		private static int _CountDisposed = 0;
		private static int _CountFinalized = 0;
		private static int IncrementCountCreated
		{ get { return ++_CountCreated; } }
		private int _CountWhenCreated = IncrementCountCreated;
		public static int CountCreated
		{ get { return _CountCreated; } }
		public static int CountNotDisposed
		{ get { return _CountCreated - _CountDisposed; } }
		public static int CountNotFinalized
		{ get { return _CountCreated - _CountFinalized; } }
		~ItemInfo()
		{
			_CountFinalized++;
		}
		public void Dispose()
		{
			if (_Disposed) return;
			_CountDisposed++;
			_Disposed = true;
			RemoveFromCache(this);
			if (!_CacheByPrimaryKey.ContainsKey(ItemID.ToString())) return;
			List<ItemInfo> listItemInfo = _CacheByPrimaryKey[ItemID.ToString()]; // Get the list of items
			while (listItemInfo.Contains(this)) listItemInfo.Remove(this); // Remove the item from the list
			if (listItemInfo.Count == 0) // If there are no items left in the list
				_CacheByPrimaryKey.Remove(ItemID.ToString()); // remove the list
			if (_MyContent != null)
				_MyContent = null;
			if (_MyPrevious != null)
				_MyPrevious = null;
			//if (_ActiveFormat != null)
			//  _ActiveFormat = null;
			//if (_ActiveParent != null)
			//  _ActiveParent = null;
			//if (_ActiveSection != null)
			//  _ActiveSection = null;
			//if (_MyDocVersion != null)
			//  _MyDocVersion = null;
			//if (_ParentNoteOrCaution != null)
			//  _ParentNoteOrCaution = null;
		}
		public virtual Item Get()
		{
			return _Editable = Item.Get(_ItemID);
		}
		public static void Refresh(Item tmp)
		{
			string key = tmp.ItemID.ToString();
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(key))
				foreach (ItemInfo tmpInfo in _CacheByPrimaryKey[key])
					tmpInfo.RefreshFields(tmp);
		}
		protected virtual void RefreshFields(Item tmp)
		{
			if (_PreviousID != tmp.PreviousID)
			{
				if (MyPrevious != null) MyPrevious.RefreshNextItems(); // Update List for old value
				_PreviousID = tmp.PreviousID; // Update the value
			}
			_MyPrevious = null; // Reset list so that the next line gets a new list
			if (MyPrevious != null) MyPrevious.RefreshNextItems(); // Update List for new value
			//if (_ContentID != tmp.ContentID)
			//{
				if (MyContent != null) MyContent.RefreshContentItems(); // Update List for old value
				_ContentID = tmp.ContentID; // Update the value
			//}
			_MyContent = null; // Reset list so that the next line gets a new list
			if (MyContent != null) MyContent.RefreshContentItems(); // Update List for new value
			_DTS = tmp.DTS;
			_UserID = tmp.UserID;
			_ItemInfoExtension.Refresh(this);
//RHM Removed 20090724 - Duplicates function of code above.
//                     - Dispose caused error when a new step was added.
//                     - Resequence of transitions did not work properly.
//			if(_MyPrevious != null)
//			{
//				_MyPrevious.Dispose();// Dispose related value
//				_MyPrevious = null;// Reset related value
//			}
//RHM Removed 20090724 - Duplicates function of code above.
//                     - Dispose caused error when a new step was added.
//                     - Resequence of transitions did not work properly.
//			if(_MyContent != null)
//			{
//				_MyContent.Dispose();// Dispose related value
//				_MyContent = null;// Reset related value
//			}
			OnChange();// raise an event
		}
		public static void Refresh(ContentItem tmp)
		{
			string key = tmp.ItemID.ToString();
			ConvertListToDictionary();
			if (_CacheByPrimaryKey.ContainsKey(key))
				foreach (ItemInfo tmpInfo in _CacheByPrimaryKey[key])
					tmpInfo.RefreshFields(tmp);
		}
		protected virtual void RefreshFields(ContentItem tmp)
		{
			if (_PreviousID != tmp.PreviousID)
			{
				if (MyPrevious != null) MyPrevious.RefreshNextItems(); // Update List for old value
				_PreviousID = tmp.PreviousID; // Update the value
			}
			_MyPrevious = null; // Reset list so that the next line gets a new list
			if (MyPrevious != null) MyPrevious.RefreshNextItems(); // Update List for new value
			_DTS = tmp.DTS;
			_UserID = tmp.UserID;
			_ItemInfoExtension.Refresh(this);
//RHM Removed 20090724 - Duplicates function of code above.
//                     - Dispose caused error when a new step was added.
//                     - Resequence of transitions did not work properly.
//			if(_MyPrevious != null)
//			{
//				_MyPrevious.Dispose();// Dispose related value
//				_MyPrevious = null;// Reset related value
//			}
//RHM Removed 20090724 - Duplicates function of code above.
//                     - Dispose caused error when a new step was added.
//                     - Resequence of transitions did not work properly.
//			if(_MyContent != null)
//			{
//				_MyContent.Dispose();// Dispose related value
//				_MyContent = null;// Reset related value
//			}
			OnChange();// raise an event
		}
		public static ItemInfo Get(int itemID)
		{
			//if (!CanGetObject())
			//  throw new System.Security.SecurityException("User not authorized to view a Item");
			try
			{
				ItemInfo tmp = GetCachedByPrimaryKey(itemID);
				if (tmp == null)
				{
					tmp = DataPortal.Fetch<ItemInfo>(new PKCriteria(itemID));
					AddToCache(tmp);
				}
				if (tmp.ErrorMessage == "No Record Found")
				{
					tmp.Dispose(); // Clean-up ItemInfo
					tmp = null;
				}
				return tmp;
			}
			catch (Exception ex)
			{
				throw new DbCslaException("Error on ItemInfo.Get", ex);
			}
		}
		#endregion
		#region Data Access Portal
		internal ItemInfo(SafeDataReader dr)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ItemInfo.Constructor", GetHashCode());
			try
			{
				ReadData(dr);
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("ItemInfo.Constructor", ex);
				throw new DbCslaException("ItemInfo.Constructor", ex);
			}
		}
		[Serializable()]
		protected class PKCriteria
		{
			private int _ItemID;
			public int ItemID
			{ get { return _ItemID; } }
			public PKCriteria(int itemID)
			{
				_ItemID = itemID;
			}
		}
		protected void ReadData(SafeDataReader dr)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ItemInfo.ReadData", GetHashCode());
			try
			{
				_ItemID = dr.GetInt32("ItemID");
				_PreviousID = (int?)dr.GetValue("PreviousID");
				_ContentID = dr.GetInt32("ContentID");
				_DTS = dr.GetDateTime("DTS");
				_UserID = dr.GetString("UserID");
				_ItemAnnotationCount = dr.GetInt32("AnnotationCount");
				_ItemDocVersionCount = dr.GetInt32("DocVersionCount");
				_NextItemCount = dr.GetInt32("NextCount");
				_ItemPartCount = dr.GetInt32("PartCount");
				_ItemTransition_RangeIDCount = dr.GetInt32("Transition_RangeIDCount");
				_ItemTransition_ToIDCount = dr.GetInt32("Transition_ToIDCount");
			}
			catch (Exception ex)
			{
				if (_MyLog.IsErrorEnabled) _MyLog.Error("ItemInfo.ReadData", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("ItemInfo.ReadData", ex);
			}
		}
		private void DataPortal_Fetch(PKCriteria criteria)
		{
			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ItemInfo.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 = "getItem";
						cm.Parameters.AddWithValue("@ItemID", criteria.ItemID);
						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("ItemInfo.DataPortal_Fetch", ex);
				_ErrorMessage = ex.Message;
				throw new DbCslaException("ItemInfo.DataPortal_Fetch", ex);
			}
		}
		#endregion
		// Standard Refresh
		#region extension
		ItemInfoExtension _ItemInfoExtension = new ItemInfoExtension();
		[Serializable()]
		partial class ItemInfoExtension : extensionBase { }
		[Serializable()]
		class extensionBase
		{
			// Default Refresh
			public virtual void Refresh(ItemInfo tmp) { }
		}
		#endregion
	} // Class
	#region Converter
	internal class ItemInfoConverter : ExpandableObjectConverter
	{
		public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
		{
			if (destType == typeof(string) && value is ItemInfo)
			{
				// Return the ToString value
				return ((ItemInfo)value).ToString();
			}
			return base.ConvertTo(context, culture, value, destType);
		}
	}
	#endregion
} // Namespace