System.Data.DataTable.RestoreConstraint C# (CSharp) Метод

        private void RestoreConstraint(bool originalEnforceConstraint)
        {
            if (DataSet != null)
            {
                DataSet.EnforceConstraints = originalEnforceConstraint;
            }
            else
            {
                EnforceConstraints = originalEnforceConstraint;
            }
        }