Thursday, 23 May 2013

upload mp3 file in asp.net using validation Expression 


<asp:FileUpload ID="mp3UploadFile" runat="server" />
<asp:RegularExpressionValidator ID="revFluUploadFile" ControlToValidate="mp3UploadFile"
    ValidationExpression="^.+(.mp3|.MP3)$"
    ErrorMessage="Not MP3 type file" runat="server">
</asp:RegularExpressionValidator
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