I have radupload it opens a dialog box to upload the file, file is seleted but it never uploads and attaches on the submital .. 
code below..
                                code below..
<label for="resume">Upload Resume</label><BR>  <div class="clear" style="height: 8px"></div><BR>  <a href="#" id="upload">Select a PDF</a><span id="filename"></span><BR>         <asp:FileUpload ID="FileRadUpload" runat="server" accept="application/pdf" style="visibility:hidden;height:0;"  /><BR>        <asp:CustomValidator ID="Customvalidator1" runat="server" Display="Dynamic" ValidationGroup="Validate"<BR>             ControlToValidate="FileRadUpload"  ClientValidationFunction="validateRadUpload"<BR>             CssClass="errormessage"  SetFocusOnError="true"><BR>                 <span class="errormessage">Only PDF extension are  allowed</span><BR>         </asp:CustomValidator>  <BR>  <div class="clear"></div><BR> </div><!--/field--> <BR> <div class="field"><BR>  <label for="position">Desired  Position:</label><BR>  <telerik:RadTextBox ID="PositionRadTextBox" runat="server" EmptyMessage="" TextMode="SingleLine" CssClass="gray-02"></telerik:RadTextBox><BR>         <asp:RequiredFieldValidator ID="PositionRequiredfieldvalidator" runat="server" Display="Dynamic" CssClass="errormessage" ValidationGroup="ContactGroup" ControlToValidate="PositionRadTextBox" ErrorMessage="Enter  position"></asp:RequiredFieldValidator> <BR> </div><BR> <div class="field"><BR>  <asp:Button ID="submit" runat="server" CssClass="submit" Text="Submit" OnClick="SubmitButton_Click" ValidationGroup="ContactGroup" /><BR> </div><BR>