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Sumanth
80
put dropdownlist in only one cell of a column and not other cells
posted

Hi Folks

 every where i find code for putting dropdownlists in all the cells of a particular column

But i dont find code anywhere on this planet to make only one cell of a column have dropdownlist and other cells have no dropdown.

If anyone knows how to do it, pls reply.

thanks in advance.

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  • 28464
    posted

    You can hook custom event handlers in the various events of the nested controls inside the template and hide/show/populate them based on certain criteria. In the example below. I am hiding all dropdowns with the exception of the dropdown in the third row:

    <igtbl:UltraWebGrid ID="UltraWebGrid1" runat="server" Height="200px" Width="325px"
            DataSourceID="AccessDataSource1" >
            <Bands>
                <igtbl:UltraGridBand>
                    <Columns> 
                        <igtbl:TemplatedColumn>
                            <CellTemplate>
                                <asp:DropDownList
                                    runat="server"
                                    ID="DropDownList1"
                                    OnInit="DropDownList1_OnInit">
                                </asp:DropDownList>
                            </CellTemplate>
                        </igtbl:TemplatedColumn>                 
                    </Columns>               
                </igtbl:UltraGridBand>
            </Bands>
            ...
    </igtbl:UltraWebGrid>
           
        protected void DropDownList1_OnInit(object sender, EventArgs e)
        {
            DropDownList dropDownList = sender as DropDownList;
            CellItem parentCell = (CellItem) dropDownList.NamingContainer;

            if (parentCell.Cell.Row.BandIndex != 3)
            {
                dropDownList.Visible = false;
            }       
        }

    Hope this helps.

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