Hi,

I have a FileUpload tool to upload files on server, on my web page.
And 2 buttons(of which 1 button is hidden).

On 1st Button click , the second button becomes visible. And on this 2nd Button click the file should be uploaded.

Now what happens is USER selects a file through FileUpload and Clicks on BUTTON 1, then BUTTON 2 becomes visible AND on this BUTTON 2 click, the file should be uploaded.

But its not working Coz on BUTTON 1 click, the Page gets refreshed & value of FILEUPLOAD becomes none.

How to solve this trouble?

Thank You....!!

"He can who thinks he can, and he canÕt who thinks he canÕt."
Anup

Hi there,

You have a few options:

1) Upload the file when button A gets clicked, store it somewhere on the server and use it again when button B gets clicked.

2) Show button B client side; either directly with some JavaScript and CSS, or use an AJAX like callback mechanism if you need server side logic to determine the visibility.

Hope this helps,

Imar

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Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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To continue your other thread, if you want to check if the file already exists, you need to submit it to the server first, store it with a temporary name and then change the name if the user decides to overwrite it in step 2.

Cheers,

Imar

__________________
Imar Spaanjaars
http://Imar.Spaanjaars.Com
Follow me on Twitter

Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
Did this post help you? Click the button below this post to show your appreciation!