/// <summary>
/// Maps an instance of Patch to a typed DataRow
/// </summary>
/// <param name="_Patch">An instance of Patch to create a typed DataRow for.</param>
/// <param name="_Row">A referenced typed DataRow to assign values to.</param>
public static void MapPatchToRow(Patch _Patch, ref DSNyMPH.tbPatchesRow _Row)
{
//map object to typed row.
if (_Row != null)
{
_Row.PatchName = _Patch.Name;
_Row.OriginalLocation = _Patch.OriginalLocation;
_Row.Rating = _Patch.Rating;
_Row.LastModified = _Patch.LastModified;
_Row.IsNew = _Patch.IsNew;
_Row.IsArchived = _Patch.IsArchived;
_Row.Description = _Patch.Description;
_Row.Usage = _Patch.Usage;
_Row.WhenCreated = _Patch.WhenCreated;
_Row.PatchName = _Patch.Name;
//TODO: Handle relationships with other objects
}
}
/// <summary>
/// Persists an instance of Patch to the database.
/// </summary>
/// <param name="Item">A Patch instance to add or update. If added, this Patch will have its OID property assigned.</param>
/// <returns>The number of rows affected; this will be -1 if an exception occurs.</returns>
public int SavePatch(ref Patch Item)
{
//TODO: update related records.
//TODO: Use DataSet object for related records.
int _result = 0;
if (Item != null)
{
//create typed data objects
DSNyMPH.tbPatchesDataTable _dtPatch = new DSNyMPH.tbPatchesDataTable();
try
{
using (tbPatchesTableAdapter _taPatches = new tbPatchesTableAdapter())
{
//set connection object
_taPatches.Connection = _conn;
//fill typed table with instance(s) of this Patch
_taPatches.FillByOID(_dtPatch, Item.OID);
//If no records are returned, add this Keyword to the datatable.
if (_dtPatch.Count == 0)
{
DSNyMPH.tbPatchesRow _row = _dtPatch.NewtbPatchesRow();
//set properties
MapPatchToRow(Item, ref _row);
_dtPatch.AddtbPatchesRow(_row);
//update changes to datatable using table adapter
_result = _taPatches.Update(_dtPatch);
//update PatchOID
Item.OID = FindPatchOID(Item);
}
else
{
//should only be one instance
DSNyMPH.tbPatchesRow _row = (DSNyMPH.tbPatchesRow)_dtPatch.Rows[0];
MapPatchToRow(Item, ref _row);
//update changes to datatable using table adapter
_result = _taPatches.Update(_dtPatch);
}
}
}
catch (Exception ex)
{
//write to logging
_elh.WriteEvent(string.Format("Exception occurred while saving Keyword {0}. Exception details: {1}", Item.ToString(), ex.Message), EventLogEntryType.Error);
_result = -1;
}
}
else
{
_result = -1;
}
return(_result);
}
