Grid ComboBox column

Hi all,
I am considering moving from a matrix to a grid
a. How do I assign valid values to a grid combobox column?
b. Does the grid support all matrix features (link button, etc)?
best,
Asher

Hi Chris,
Here is my code:
            // Data table:
            DataTable dataTable = testForm.DataSources.DataTables.Add("aaa");
            dataTable.ExecuteQuery("SELECT * FROM [@AAA]");
            // Grid:
            Item gridItem = testForm.Items.Add("grd", BoFormItemTypes.it_GRID);
            gridItem.Width = 450;
            gridItem.Height = 300;
            Grid grid = (Grid)gridItem.Specific;
            grid.DataTable = dataTable;
            // Columns:
            GridColumn textColumn = grid.Columns.Item(2);
            ((EditTextColumn) textColumn).LinkedObjectType = "4";
            GridColumn comboColumn = grid.Columns.Item(0);
            comboColumn.Type = BoGridColumnType.gct_ComboBox;
            ((ComboBoxColumn) comboColumn).ValidValues.Add("3", "3");
This code fails on the last line with this exception:
Unable to cast COM object of type 'SAPbouiCOM.GridColumnClass' to interface type 'SAPbouiCOM.ComboBoxColumn'.
Any ideas?
Asher
P.S.
The link works fine. Thanks.

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Grid ComboBox column

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