Validation for FileUpload control

Question

I need to make validation message for file upload when a user click on the button without uploading file the error message appears This the code I have tried but it is not working * ID=RequiredFieldValidator11 ForeColor=Red ControlToValidate=FileUpload1 runat=server ValidationGroup=click SetFocusOnError=true /> Please help

Rajeesh Menoth · Answer

Hi Try this.. asp:FileUpload ID = FileUpload1 runat = server /> br /> asp:RequiredFieldValidator ErrorMessage = Required ControlToValidate = FileUpload1 runat = server Display = Dynamic ForeColor = Red /> asp:RegularExpressionValidator ID = RegularExpressionValidator1 ValidationExpression = ([a-zA-Z0-9\s_\.\-:])+(.doc|.docx|.pdf)$ ControlToValidate = FileUpload1 runat = server ForeColor = Red ErrorMessage = Please select a valid Word or PDF File file. Display = Dynamic /> br /> asp:Button Text = Submit runat = server /> Reference : http://www.aspsnippets.com/Articles/Validate-FileUpload-Control-using-Regular-Expression-and-RegularExpression-Validator-in-ASPNet.aspx http://www.c-sharpcorner.com/UploadFile/99bb20/validation-for-file-upload-control-in-Asp-Net/

Joma Alrzini · Answer

Thanks guys It works fine with display dymanic and star sing but not on the same line with file upload icon I tried to use style display inline but still not working I need to to display error message in front of the incon like with textbox

Vasanth Natarajan · Answer

Hi. Just remove the and include the * its working Fine i check it OnLoad=FileUpload1_Load /> * ID=RequiredFieldValidator11 ForeColor=Red ControlToValidate=FileUpload1 runat=server SetFocusOnError=true />