FileUploadControl value lost on dropdown selection

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hi I have a FileUpload control and dropdown. when the drop down is selected, the file name in the FIleUpload control is lost due to postback.
How can I retain the value of FileUpload control after postback. please help ASAP

Thanks

Posted 9-Aug-11 23:10pm

krishnaMurali

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the headless nick 10-Aug-11 5:18am

Have you tried ViewState or something and is your DDL necessary tb be AutoPostBack(ed)..

Plz Clarify your scenario lil' bit more

krishnaMurali 11-Aug-11 8:30am

I found solution :).. thanks for fast response

3 solutions

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*dan!sh* · Answer 1 · 2011-08-09T23:16:00

Solution 1

AFAIK, you cannot retiain the value after postback.

Posted 9-Aug-11 23:16pm

dan!sh

GoudCL · Answer 2 · 2011-08-09T23:16:00

Solution 2

Place the Dropdownlist in update panel, it will work

Posted 9-Aug-11 23:16pm

GoudCL

krishnaMurali · Answer 3 · 2011-08-11T02:38:00

I used session to solve this
in Page_load assign the Fileupload to session

Session["abc"]=filUpld;

and when you wish just assign the session to fileupload.

Eg: in submit button click event

SQL

if (Session["abc"] != null && Session["abc"].ToString()!="")
        {
            filUpld= (FileUpload)Session["abc"];
        }

then use filUpld as usual