Image size validation in file upload control

Question

Dear friends I want validate my file upload control as file size should not be greater than 75 kb as soon as file fetched message should be displayed

Jiteendra Sampathirao · Answer

Hi refer this LINK

Jiteendra Sampathirao · Answer

Hi try this.. ErrorMessage=File size should not be greater than *** KB. OnServerValidate=CstmValidtr_SrvrValidate> protected void CstmValidtr_SrvrValidate(object source ServerValidateEventArgs args) { if (fileupld.FileBytes.Length > 1024) // 1024*KB of file size { args.IsValid = false; } else { args.IsValid = true; } }

Mayur Gujrathi · Answer

I did same but how can i measure file size as soon as it is fetched by file upload control I mean to say in client side itself

Jiteendra Sampathirao · Answer

Hi mayur try this... if (FileUploadControl.PostedFile.ContentLength { // your code goes here } hope it help you....