Clone() [2/3]

override Constraint System.Data.UniqueConstraint.Clone ( DataSet destination, bool ignorNSforTableLookup )

inlinepackage

Definition at line 255 of file UniqueConstraint.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];
        int num2 = ColumnsReference.Length;
        DataColumn[] array = new DataColumn[num2];
        for (int i = 0; i < num2; i++)
        {
            DataColumn dataColumn = ColumnsReference[i];
            num = dataTable.Columns.IndexOf(dataColumn.ColumnName);
            if (num < 0)
            {
                return null;
            }
            array[i] = dataTable.Columns[num];
        }
        UniqueConstraint uniqueConstraint = new UniqueConstraint(ConstraintName, array);
        foreach (object key in base.ExtendedProperties.Keys)
        {
            uniqueConstraint.ExtendedProperties[key] = base.ExtendedProperties[key];
        }
        return uniqueConstraint;
    }

References System.Data.UniqueConstraint.UniqueConstraint(), System.array, System.Data.DataColumn.ColumnName, System.Data.DataTable.Columns, System.Data.UniqueConstraint.ColumnsReference, System.Data.Constraint.ConstraintName, System.destination, System.Data.DataColumnCollection.IndexOf(), System.key, System.Data.DataTable.Namespace, System.Data.UniqueConstraint.Table, and System.Data.DataTable.TableName.