What is the best method for initializing a grid combo box value using JavaScript?

How do I set the value of a combobox in a grid itemtemplate using JavaScript?

<telerik:GridTemplateColumn AutoPostBackOnFilter="true"
                                    CurrentFilterFunction="Contains" DataField="FAULT" FilterControlWidth="100%"
                                    HeaderStyle-Width="80px" HeaderText="Fault" ReadOnly="true" ShowFilterIcon="false"
                                    SortExpression="FAULT" UniqueName="FAULT">
                                    <ItemTemplate>
                                        <telerik:RadComboBox ID="cmbFault" runat="server" AllowCustomText="false" HighlightTemplatedItems="true"
                                            Skin="Outlook" Visible="true" Width="70px">
                                            <Items>
                                                <telerik:RadComboBoxItem runat="server" Text="NF" Value="N" />
                                                <telerik:RadComboBoxItem runat="server" Text="VF" Value="V" />
                                                <telerik:RadComboBoxItem runat="server" Text="CF" Value="C" />
                                                <telerik:RadComboBoxItem runat="server" Text="DF" Value="D" />
                                            </Items>
                                        </telerik:RadComboBox>
                                    </ItemTemplate>
                                                        <HeaderStyle Width="80px" />
                                </telerik:GridTemplateColumn>

Here is my JavaScript code:

function setComboBoxValue(){
if (difference > 5) {alert("enter into if");
                    document.getElementById('<%=cmbFault.ClientID %>').value = 'C';
                }
                else {
                    alert("enter into else");
                    document.getElementById('<%=cmbFault.ClientID %>').value = 'S';
                }
}

However, I am encountering an error stating that cmbFault is not found in the context. Can someone please assist me with this issue?

javascriptasp.nettelerikrad-controls

Answer №1

One way to set values using JavaScript is by following the code snippet below:

function updateSelection() {
    var selection = $find("<%= cmbSelection.ClientID %>"); 
    selection.set_text("X");
}

For more information, you can refer to this link.

Answer №2

To access the control inside GridTemplateColumn, you can follow these steps. JavaScript:

function retrieveControl() {  
        var grid = $find("<%=RadGrid1.ClientID%>");  
        var tableView = grid.get_masterTableView();  
        var items = tableView.get_dataItems();  
        for(var i = 0; i<items.length; i++){  
            var rowValues = items[i]; 
            var comboValue=rowValues.findElement("cmbFault");//retrieve Combobox 
         }  
    }

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