Clone() [3/3]

ForeignKeyConstraint System.Data.ForeignKeyConstraint.Clone ( DataTable destination )

inlinepackage

Definition at line 693 of file ForeignKeyConstraint.cs.

    {
        int num = Columns.Length;
        DataColumn[] array = new DataColumn[num];
        DataColumn[] array2 = new DataColumn[num];
        int num2 = 0;
        for (int i = 0; i < num; i++)
        {
            DataColumn dataColumn = Columns[i];
            num2 = destination.Columns.IndexOf(dataColumn.ColumnName);
            if (num2 < 0)
            {
                return null;
            }
            array[i] = destination.Columns[num2];
            dataColumn = RelatedColumnsReference[i];
            num2 = destination.Columns.IndexOf(dataColumn.ColumnName);
            if (num2 < 0)
            {
                return null;
            }
            array2[i] = destination.Columns[num2];
        }
        ForeignKeyConstraint foreignKeyConstraint = new ForeignKeyConstraint(ConstraintName, array2, array);
        foreignKeyConstraint.UpdateRule = UpdateRule;
        foreignKeyConstraint.DeleteRule = DeleteRule;
        foreignKeyConstraint.AcceptRejectRule = AcceptRejectRule;
        foreach (object key in base.ExtendedProperties.Keys)
        {
            foreignKeyConstraint.ExtendedProperties[key] = base.ExtendedProperties[key];
        }
        return foreignKeyConstraint;
    }

References System.Data.ForeignKeyConstraint.ForeignKeyConstraint(), System.Data.ForeignKeyConstraint.AcceptRejectRule, System.array, System.Data.DataColumn.ColumnName, System.Data.ForeignKeyConstraint.Columns, System.Data.Constraint.ConstraintName, System.Data.ForeignKeyConstraint.DeleteRule, System.destination, System.key, System.Data.ForeignKeyConstraint.RelatedColumnsReference, and System.Data.ForeignKeyConstraint.UpdateRule.