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Asked: 2026-05-12T14:01:19+00:00

I have dropdown list as follow: <select id=DropdownID> <option value=1>Ccc</option> <option value=2>Aaa</option> <option value=3>Bbb</option>

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I have dropdown list as follow:

<select id="DropdownID">
    <option value="1">Ccc</option>
    <option value="2">Aaa</option>
    <option value="3">Bbb</option>
</select>

but i want dropdown elements sorted by text not value, in alphabetical order:

<select id="DropdownID">
    <option value="2">Aaa</option>
    <option value="3">Bbb</option>
    <option value="1">Ccc</option>        
</select>

I fill it on this way:

Dictionary<int, string> myDataDictionary = new Dictionary<int, string>();

// (...)

DropdownID.DataSource = myDataDictionary;
DropdownID.DataTextField = "value";
DropdownID.DataValueField = "key";
DropdownID.DataBind();

Even if values in dictionary are sorted correctly, in dropdown they are always ordered by value.

How to sort items in dropdow by text rather than by value ?

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1 Answer

  1. Editorial Team
    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:DropDownList ID="DropdownID" runat="server">
        </asp:DropDownList>
    </div>
    </form>
</body>
</html>

Dictionary<int, string> myDataDictionary = new Dictionary<int, string>();

        myDataDictionary.Add(3, "A");
        myDataDictionary.Add(1, "B");
        myDataDictionary.Add(2, "C");

        DropdownID.DataSource = myDataDictionary;
        DropdownID.DataTextField = "value";
        DropdownID.DataValueField = "key";
        DropdownID.DataBind();

    Hi there I have this working sample, what ever I do with the dictionary the drop down is ordered correctly.

    could you post your working sample so we could reproduce your error plz.

    Edit: 13:21 22/09/2009

    What ever order you put your data in is the order that the dropdown list will use to display the collection. I think there must be something else that you are not aware off. The best way to find out if it is a problem with your code or something is truly amiss is to write a test app get something simple from scratch try to reproduce the behaviour of the original app.

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