File Upload Validator always show error message

Posted by Space Cracker on Stack Overflow See other posts from Stack Overflow or by Space Cracker
Published on 2010-03-23T06:39:30Z Indexed on 2010/03/23 6:43 UTC
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ASP.NET

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controls

i add asp.net file upload control as following

<asp:FileUpload ID="filesFileUpload" runat="server" />
<asp:RegularExpressionValidator ID="RegularExpressionValidator3" runat="server" ErrorMessage="file types not supported"
ValidationExpression="\.(zip.rar|jpg|gif|png|eps|ai|psd|pdf)$" ControlToValidate="filesFileUpload"></asp:RegularExpressionValidator>

and always when i upload file that match the reg expression it show the error .. could any help me why this done ?

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