PROMS/VEPROMS.CSLA.Library/Extension/ROImageExt.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Data;
+using System.Data.SqlClient;
+using Csla;
+using Csla.Data;
+
+namespace VEPROMS.CSLA.Library
+{
+	public partial class ROImageInfo
+	{
+		public static ROImageInfo GetByROFstID_FileName(int rOFstID, string fileName)
+		{
+			//if (!CanGetObject())
+			//    throw new System.Security.SecurityException("User not authorized to view a ROImage");
+			try
+			{
+				ROImageInfo tmp = DataPortal.Fetch<ROImageInfo>(new ROFstID_FileNameCriteria(rOFstID, fileName));
+				if (tmp.ErrorMessage == "No Record Found")
+				{
+					tmp.Dispose(); // Clean-up ROImage
+					tmp = null;
+				}
+				return tmp;
+			}
+			catch (Exception ex)
+			{
+				throw new DbCslaException("Error on ROImage.GetByROFstID_FileName", ex);
+			}
+		}
+		private void DataPortal_Fetch(ROFstID_FileNameCriteria criteria)
+		{
+			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfo.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 = "getROImageByROFstID_FileName";
+						cm.Parameters.AddWithValue("@ROFstID", criteria.ROFstID);
+						cm.Parameters.AddWithValue("@FileName", criteria.FileName);
+						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("ROImageInfo.DataPortal_Fetch", ex);
+				_ErrorMessage = ex.Message;
+				throw new DbCslaException("ROImageInfo.DataPortal_Fetch", ex);
+			}
+		}
+		[Serializable()]
+		private class ROFstID_FileNameCriteria
+		{
+			private int _ROFstID;
+
+			public int ROFstID
+			{ get { return _ROFstID; } }
+			private string _FileName;
+			public string FileName
+			{ get { return _FileName; } }
+			public ROFstID_FileNameCriteria(int rOFstID, string fileName)
+			{
+				_ROFstID = rOFstID;
+				_FileName = fileName;
+			}
+		}
+	}
+}