weird error in asp.net client id is changed dont know why it happened

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Hello friends
Recently I am facing some some weird issue related to file upload control's ID.

before now when i was running my asp.net website
I wass getting file upload client id like ctl04_ContentPlaceHolder1_AsyncFileUpload1

but now I am getting id like ContentPlaceHolder1_AsyncFileUpload1_ctl04

I am getting ctl04 back side. and this problem stopping file upload to work

please help me its urgent.

Posted 30-May-14 4:25am

jagdish123061

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CHill60 30-May-14 10:26am

Post the code that is causing this problem.

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 30-May-14 13:33pm

Did you add or delete any controls?

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Sanjay K. Gupta · Answer 1 · 2014-05-30T18:54:00

Solution 1

You should use scriptlet "<%%>" of handling ClientID. You can try this code.

HTML

var fileuploadID='<%=AsyncFileUpload1.ClientID%>';

Posted 30-May-14 18:54pm

Sanjay K. Gupta