check size of file in fileupload

[ptvce]

Hi i have a fileupload control in form, and now i want to check the size of file before upload it. i wrote this code but the value of fileSize = 0 all the time. what should i do. can anybody help me? int fileSize = fuSignature.PostedFile.ContentLength

[Lost User]

Please do not cross-post. You've already posted this in the C# forum.

[jkirkerx]

The content is measured during the postback to the server. So when the upload is complete, then you can measure the content length.