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Asked: 2026-05-11T05:05:49+00:00

I would like suggestions on how to inject a record into my DropdownList to

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I would like suggestions on how to inject a record into my DropdownList to give an ‘All’ option. Here is my code, data coming from the Northwind database.

<asp:DropDownList ID='ddlRegion' runat='server' DataSourceID='SqlDataSource1'      DataTextField='RegionDescription' DataValueField='RegionID'          AutoPostBack='True' onselectedindexchanged='ddlRegion_SelectedIndexChanged' /> <asp:SqlDataSource ID='SqlDataSource1' runat='server'      ConnectionString='<%$ ConnectionStrings:NorthwindConnectionString %>'      SelectCommand='SELECT [RegionID], [RegionDescription] FROM [Region]'          ondatabinding='SqlDataSource1_Databinding'> </asp:SqlDataSource>

I have tried the following but it does not add the item;

if(!Page.IsPostBack()) ddlRegion.Items.Insert(0, new ListItem('All', '-1'));

I am thinking perhaps using the ondatabinding might be the right way to go but am not sure how to go about it.

Thanks

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1 Answer

  1. Just add the All item in the ASPX, and then set AppendDataBoundItems=true and it will keep the statically defined items with the data bound items.

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