dropdownlist SelectedIndexChanged event fired, but again set to default value on first time itself

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Within update panel i have detailView. In that detailview i have a dropdownlist. This ddl has OnSelectedIndexChanged. When we change the index, the event gets fire.

The problem is After page load when i select the another index, the event fired but again its assigned to default value on its first time itself. in further If i select another value in ddl, the functionality gets work. On first selection not working properly and it reassigned to old one.

I checked with EnableViewState=true. I have used postback method to filter and avoid rebound while postback. Autopostback is true. But its not work on its first selection. Hope u understand the problem statement.

If anybody know the solution direct me to resolve this problem.

Thanks in advance

Posted 11-Aug-13 23:16pm

vinothharshad

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Thanks7872 · Answer 1 · 2013-08-11T23:32:00

Make sure in page_load,you binded your dropdown properly.It should be like

C#

protected void Page_Load(object sender, EventArgs e)
    {
         if (!IsPostBack)
        {
            //Bind here
        }
    }

Not

C#

protected void Page_Load(object sender, EventArgs e)
    {
        //I suspect you have binded here.
    }

Regards..:laugh: