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radcombobox in edit mode from code behind

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Dawson
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Dawson asked on 09 Oct 2013, 01:10 PM

Hi,

How to populate a radcombobox in edit mode from code behind. I tried hard its not populating.

Thanks,
Dawson.

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Princy
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answered on 09 Oct 2013, 01:15 PM
Hi Dawson,

Please try the following code snippet to bind the RadComboBox from code behind in editmode.

ASPX:
<telerik:GridTemplateColumn HeaderText="ShipCountry" DataField="ShipCountry">
    <ItemTemplate>
        <%# Eval("ShipCountry")%>
    </ItemTemplate>
    <EditItemTemplate>
        <telerik:RadComboBox ID="RadCombobox1" runat="server">
        </telerik:RadComboBox>
    </EditItemTemplate>
</telerik:GridTemplateColumn>
 
<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:Northwind_newConnectionString3 %>" SelectCommand="SELECT distinct [ShipCountry] FROM [Orders]"></asp:SqlDataSource>

C#:
protected void RadGrid1_ItemDataBound(object sender, GridItemEventArgs e)
    {
        if (e.Item is GridEditableItem && e.Item.IsInEditMode)
        {
            GridEditableItem edit = (GridEditableItem)e.Item;
            RadComboBox combo = (RadComboBox)edit.FindControl("RadCombobox1");
            combo.DataSourceID = "SqlDataSource2";
            combo.DataTextField = "ShipCountry";
            combo.DataValueField = "ShipCountry";         
        }
    }

Thanks,
Princy
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Dawson
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answered on 11 Oct 2013, 07:38 AM

Hi Princy,
Thanks for your code.. It works fine. . 
But I want it to set to the default value it holds.right now its showing the values from start.how to make it select the value it holds for that row.

Thanks again,
Dawson.
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Princy
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answered on 11 Oct 2013, 07:46 AM
Hi Dawson,

Please add the following code to the ItemDataBound event to get the selected value to be the current value.

C#:
protected void RadGrid1_ItemDataBound(object sender, GridItemEventArgs e)
    {
       if (e.Item is GridEditableItem && e.Item.IsInEditMode)
        {
           //Same code as above
            combo.SelectedValue = DataBinder.Eval(edit.DataItem, "ShipCountry").ToString();   
        }
    }

Thanks,
Princy
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Princy
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Dawson
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