◆ Clone() [2/3]

override Constraint System.Data.ForeignKeyConstraint.Clone	(	DataSet	destination,
		bool	ignorNSforTableLookup )
inlinepackage
Definition at line 648 of file ForeignKeyConstraint.cs.
    {
        int num = ((!ignorNSforTableLookup) ? destination.Tables.IndexOf(Table.TableName, Table.Namespace, chekforNull: false) : destination.Tables.IndexOf(Table.TableName));
        if (num < 0)
        {
            return null;
        }
        DataTable dataTable = destination.Tables[num];
        num = ((!ignorNSforTableLookup) ? destination.Tables.IndexOf(RelatedTable.TableName, RelatedTable.Namespace, chekforNull: false) : destination.Tables.IndexOf(RelatedTable.TableName));
        if (num < 0)
        {
            return null;
        }
        DataTable dataTable2 = destination.Tables[num];
        int num2 = Columns.Length;
        DataColumn[] array = new DataColumn[num2];
        DataColumn[] array2 = new DataColumn[num2];
        for (int i = 0; i < num2; i++)
        {
            DataColumn dataColumn = Columns[i];
            num = dataTable.Columns.IndexOf(dataColumn.ColumnName);
            if (num < 0)
            {
                return null;
            }
            array[i] = dataTable.Columns[num];
            dataColumn = RelatedColumnsReference[i];
            num = dataTable2.Columns.IndexOf(dataColumn.ColumnName);
            if (num < 0)
            {
                return null;
            }
            array2[i] = dataTable2.Columns[num];
        }
        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;
    }