asking dropdown event

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i write dropdown code like below .
<asp:DropDownList ID="ddlAssignType" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlAssignType_SelectedIndexChanged">

when i change dropdown index , it don't call "ddlAssignType_SelectedIndexChanged" event and then
it always select index 0.
how to solve this proplem

Posted 21-Jun-12 10:03am

rosyBurmese

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db7uk 21-Jun-12 16:06pm

does a postback occur? What is the code behind?

1 solution

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Dhol Gaurav · Answer 1 · 2012-06-21T18:50:00

Solution 1

Hello,

You binding should be into Is Not Postback block, code example as below

C#

if(!this.IsPagePostBack)
 {

  // you have to do dropdown binding here
 }

if you do outside the not post back, it's create problem

Posted 21-Jun-12 18:50pm

Dhol Gaurav