Added method RofstInfo.GetROImageByFilename to find image files by name.

Added method RoImageInforList GetByRODbIDFilename to find image files by name.
Find ROImages if not attached to the current ROFST.  The Export/Import code was not saving ROImage usages properly

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

@@ -443,5 +443,70 @@ namespace VEPROMS.CSLA.Library
 			}
 			this.RaiseListChangedEvents = true;
 		}
+		public static ROImageInfoList GetByRODbIDFilename(int rODbID,string filename)
+		{
+			try
+			{
+				ROImageInfoList tmp = DataPortal.Fetch<ROImageInfoList>(new RODbIDFilenameCriteria(rODbID,filename));
+				//ROImageInfo.AddList(tmp);
+				tmp.AddEvents();
+				return tmp;
+			}
+			catch (Exception ex)
+			{
+				throw new DbCslaException("Error on ROImageInfoList.GetByRODbIDFilename", ex);
+			}
+		}
+		private class RODbIDFilenameCriteria
+		{
+			public RODbIDFilenameCriteria(int rODbID,string filename)
+			{
+				_RODbID = rODbID;
+				_Filename = filename;
+			}
+			private int _RODbID;
+			public int RODbID
+			{
+				get { return _RODbID; }
+				set { _RODbID = value; }
+			}
+			private string _Filename;
+			public string Filename
+			{
+				get { return _Filename; }
+				set { _Filename = value; }
+			}
+		}
+		private void DataPortal_Fetch(RODbIDFilenameCriteria criteria)
+		{
+			this.RaiseListChangedEvents = false;
+			if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfoList.DataPortal_FetchRODbIDFilename", GetHashCode());
+			try
+			{
+				using (SqlConnection cn = Database.VEPROMS_SqlConnection)
+				{
+					using (SqlCommand cm = cn.CreateCommand())
+					{
+						cm.CommandType = CommandType.StoredProcedure;
+						cm.CommandText = "getROImagesByRODbID_Filename";
+						cm.Parameters.AddWithValue("@RODbID", criteria.RODbID);
+						cm.Parameters.AddWithValue("@FileName", criteria.Filename);
+						cm.CommandTimeout = Database.DefaultTimeout;
+						using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
+						{
+							IsReadOnly = false;
+							while (dr.Read()) this.Add(new ROImageInfo(dr));
+							IsReadOnly = true;
+						}
+					}
+				}
+			}
+			catch (Exception ex)
+			{
+				if (_MyLog.IsErrorEnabled) _MyLog.Error("ROImageInfoList.DataPortal_FetchRODbIDFilename", ex);
+				throw new DbCslaException("ROImageInfoList.DataPortal_FetchRODbIDFilename", ex);
+			}
+			this.RaiseListChangedEvents = true;
+		}
 	}
 }