how i can stop the zero bytes file uploading

[jagan123]

iam using file upload control to upload the file but when iam selecting the zero bites size file then i want to get the message that u have selected zero bytes file how can it be possible.

[N a v a n e e t h]

if (FileUpload1.PostedFile.ContentLength == 0)
{
//Your messagae goes here
}

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[jagan123]

sir this can i write in button click event or where i can write sir

[aswini]

Hi,,, U write the code in button click

Aswini