In ascx(control) dropdownlist selected index event not fired

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I am Using control ("ascx") and also i have placed it into aspx page
My Issue is

I have 2 dropdown 1 of them fill at page load event and other or second one fill according to value of first dropdown

When i select 1st Drop down It selectedchange event doesnot fired to fill the other 1 .And also its all item get removed
why its happening???

I have set auto postback property true but nothing its workin for me and when i copy all code on page its working(not to place control ascx)

Posted 21-Jan-11 0:11am

qasimidl

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Hiren solanki 21-Jan-11 6:25am

Could you please show us a snippet ?

Sandeep Mewara 21-Jan-11 6:42am

Is your usercontrol static or dynamically populated at runtime?

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Anupama Roy · Answer 1 · 2011-01-21T00:26:00

Solution 1

Are you checking below condition before binding first dropdown?

if(!Page.IsPostBack())
{
DDl.datasource =ds;
DDl.DataBind();
}

Posted 21-Jan-11 0:26am

Anupama Roy

Updated 21-Jan-11 0:27am

v2

Comments

Abhijit Jana 21-Jan-11 7:19am

Good Call. Most of the time people forget to put DataBind() with !Page.IsPostBack :)

Anupama Roy 21-Jan-11 9:55am

Thanks Abhijit!