/// <summary>
/// returns a dataset with only necessary data
/// depending on the parameter removeEmptyTables, the empty tables are not returned
/// all rows that are not changed are not returned
/// </summary>
/// <returns>a new dataset with only modified data
/// </returns>
public virtual TTypedDataSet GetChangesTyped(Boolean removeEmptyTables)
{
TTypedDataSet ds = (TTypedDataSet)base.GetChanges();
if (ds == null)
{
return(null);
}
ds.InitVars();
ds.MapTables();
ds.ThrowAwayAfterSubmitChanges = ThrowAwayAfterSubmitChanges;
ds.DontThrowAwayAfterSubmitChanges = DontThrowAwayAfterSubmitChanges;
// need to copy over the enabled/disabled status of relations
foreach (TTypedRelation relNew in ds.FRelations)
{
foreach (TTypedRelation relOrig in this.FRelations)
{
if (relOrig.FName == relNew.FName)
{
relNew.FEnabled = relOrig.FEnabled;
}
}
}
if (removeEmptyTables == true)
{
ds.RemoveEmptyTables();
}
// TODO: REMOVING OF EMPTY FIELDS NOT DONE BECAUSE WE CURRENTLY CAN'T HANDLE THIS PROPERLY ON THE SERVER SIDE...
ds.EnableConstraints();
ds.EnableRelations();
ds.EnforceConstraints = true;
return(ds);
}
/// <summary>
/// Processes the result of a data submission to the Server where the result of that operation is
/// <see cref="TSubmitChangesResult.scrOK" />. (Overload for Typed DataSets.)
/// </summary>
/// <param name="ACallingFormOrUserControl"></param>
/// <param name="ALocalTDS"></param>
/// <param name="ASubmitTDS"></param>
/// <param name="APetraUtilsObject"></param>
/// <param name="AVerificationResults"></param>
/// <param name="ASetPrimaryKeyOnlyMethod"></param>
/// <param name="AMasterDataTableSaveCall"></param>
/// <param name="ACalledFromUserControl"></param>
/// <param name="ACallAcceptChangesOnReturnedDataBeforeMerge"></param>
public static void ProcessSubmitChangesResultOK(IFrmPetra ACallingFormOrUserControl, TTypedDataSet ALocalTDS,
TTypedDataSet ASubmitTDS, TFrmPetraEditUtils APetraUtilsObject, TVerificationResultCollection AVerificationResults,
Action <bool>ASetPrimaryKeyOnlyMethod, bool AMasterDataTableSaveCall, bool ACalledFromUserControl,
bool ACallAcceptChangesOnReturnedDataBeforeMerge = false)
{
if (AMasterDataTableSaveCall)
{
// Call AcceptChanges to get rid now of any deleted columns before we Merge with the result from the Server
ALocalTDS.AcceptChanges();
// Merge back with data from the Server (eg. for getting Sequence values)
if (ACallAcceptChangesOnReturnedDataBeforeMerge)
{
ASubmitTDS.AcceptChanges();
}
ALocalTDS.Merge(ASubmitTDS, false);
// Need to accept any new modification ID's
ALocalTDS.AcceptChanges();
if (ASetPrimaryKeyOnlyMethod != null)
{
// Ensure the Primary-Key(s)-containing Controls are disabled to prevent further modification of Primary Key values
ASetPrimaryKeyOnlyMethod(true);
}
}
CommonPostMergeOperations(ACallingFormOrUserControl, APetraUtilsObject,
AVerificationResults, ACalledFromUserControl);
}