This delegate represents the method that will handle the
DataSet.MergeFailed event. This event occurs if
you invoke DataSet.Merge( ) to combine two
DataSet objects where source and target rows have
a different primary key. Note that this event occurs only if
DataSet.EnforceConstraints is set to
true , and it doesn't occur if
the schemas are invalid (in which case an exception is thrown before
the merge process is started). When a merge fails, the
DataSet.EnforceConstraints property is set to
false , all the data is retained, and the rows
that are invalid are marked with a descriptive
DataRow.RowError . You can't
reenable constraint checking until these conflicts are resolved.
public delegate void MergeFailedEventHandler(object sender, MergeFailedEventArgs e);
