how to show the RFV message that file upload 1 have no file chosen ?

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i have a file upload control and a button on button click file been uploaded

but if there are no file chosen then i want give a message "no file chosen" through required field validater
plz help

thank you.

Posted 16-Jun-14 20:46pm

neeraj_

Updated 16-Jun-14 21:08pm

v2

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Abhishek Pant 17-Jun-14 2:48am

http://stackoverflow.com/questions/46219/how-to-determine-if-user-selected-a-file-for-file-upload

neeraj_ 17-Jun-14 2:52am

thanks abhishek for ur kind reply

Abhishek Pant 17-Jun-14 2:58am

You can make alert if file is not present using javascript onclientclick if present do your task i mean return true to do the button click else return false or you can do the same from server side-
http://www.aspforums.net/Threads/152812/Verify-whether-File-Exists-when-uploading-using-FileUpload-control-in-ASPNet/

neeraj_ 17-Jun-14 3:05am

abhishek actually i wants a message like required field validater
can i use required field validater for this issue

Abhishek Pant 17-Jun-14 8:54am

see my answer for reference links about using required field validater

2 solutions

Solution 2

As of your requirement of required field validator:
This links may help you

How to validate FileUpload in asp.net [^]
Required field validator on asp:FileUpload control[^]

Posted 17-Jun-14 2:53am

Abhishek Pant

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Aravindba · Accepted Answer · 2014-06-16T21:17:00

Solution 1

Hi U can get uploaded file count or length,if file length zero,then when button click event show msg

VB

 If (FileUpload1.FileName.Length = 0) Then 
'Show error msg
Else

End IF

Regards
Aravind

Posted 16-Jun-14 21:17pm

Aravindba

Updated 16-Jun-14 21:34pm

v2

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neeraj_ 17-Jun-14 3:32am

but i wants required field validater @Aravind