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Asked: 2026-05-16T16:25:43+00:00

Currently in asp.net, we can have only one value in a ListItem in a

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Currently in asp.net, we can have only one value in a ListItem in a DropDownList. However I hope I can:

<MultiValueDropDownList id="ddl" runat="server" />
ddl.Items.Add(new MultiValueListItem { Text="text", DBValue="db", EngineValue=1 });
var dbValue = ddl.SelectedItem.DBValue;

What I’m going to do is inherit DropDownList and ListItem. Do you guys have any better solutions?

[Closed]

At last I decide to choose a lazy way. Store the values in ListItem.Attributes. And using extension methods of DropDownList to help to get the collection of values. Thanks for your help!

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1 Answer

  1. Editorial Team

    See if this helps:

    EasyListBox

    How to display multi-column in ASP Dropdown List?

    asp.net : an alternative to multi-column DropDownList Gridview within dropdownlist / combobox (using the Ajax DropDownExtender)

    Edit:

    You can not inherit from ListItem.

    See why: Extending ASP.NET DropDownList

    The best solution then is to store the values inside ListItem.Attributes.

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