DataTable

DataTable table2 = new DataTable();
        DataColumn column1 = new DataColumn("id", typeof(System.Int32));
        DataColumn column2 = new DataColumn("value", typeof(System.Int32));
        table2.Columns.Add(column1);
        table2.Columns.Add(column2);

        DataRow row;

        row = table2.NewRow();
        row["id"] = 14;
        row["value"] = 774;
        table2.Rows.Add(row);

        row = table2.NewRow();
        row["id"] = 12;
        row["value"] = 555;
        table2.Rows.Add(row);

        row = table2.NewRow();
        row["id"] = 13;
        row["value"] = 665;
        table2.Rows.Add(row);