... Guid.NewGuid().ToString( ); [ Team LiB ] Recipe 6.6 Avoiding Referential Integrity Problems When Updating the Data Source Problem You sometimes get referential integrity errors when you update a DataSet ... MessageBox.Show("Data deleted.", " ;Referential Integrity& quot;, MessageBoxButtons.OK, MessageBoxIcon.Information); } Discussion To avoid referential integrity problems when updating the ... with the new data. UpdateData( ); MessageBox.Show("Data created.", " ;Referential Integrity& quot;, MessageBoxButtons.OK, MessageBoxIcon.Information); } private void modifyButton_Click(object...