ASP.NET - How to retrive a variable from a Sub with VB? -


i using runat command within public sub in .aspx page follows:

<% dim haslabel %> <script runat="server">     public sub button1_click(byval sender object, _       byval e system.eventargs)         if fileupload1.hasfile             dim fileext string             fileext = system.io.path.getextension(fileupload1.filename)             if (fileext = ".docx" or fileext = ".doc")                 try                     fileupload1.saveas("path_to_file" & _                        fileupload1.filename)                     label1.text = "<div class='centertext'>statement received, thank you!<br /><br />file name: " & _                        fileupload1.postedfile.filename & "<br>" & _                        "file size: " & _                        fileupload1.postedfile.contentlength & " kb</div>"                 catch ex exception                     label1.text = "error: " & ex.message.tostring()                 end try             else                 label1.text = "only word document files allowed (.doc, .docx)."             end if         else             label1.text = "you have not specified file."         end if         haslabel = label1.text     end sub </script>

later on down page, i'd able check haslabel content , if it's not empty, output on page, else, output form again, this:

<body> <form id="form1" runat="server"> <% if haslabel <> "" %>     <div class="centertext"><%= haslabel %></div> <% else %>     <div>         <asp:fileupload id="fileupload1" runat="server" class="file" /><br />         <br />         <asp:button id="button1" runat="server" onclick="button1_click" text="upload file" />&nbsp;<br />         <asp:label id="label1" runat="server" class="mission_gothic_reg smalltext"></asp:label>         </div> <% end if %> </form> </body>

how can accomplish this? right now, error says: name 'haslabel' not declared

basically, trying have happen, is... don't show file upload button if file has been submitted. ofcourse, need change doing when has been uploaded , file type correct. can't find out simple solution knowing if has been uploaded or not within actual asp page. yeah, can output text manipulates tag, how know if label tag has in begin with, in asp.net?

i fixed changing visible property false:

<script runat="server">     protected sub button1_click(byval sender object, _       byval e system.eventargs)          if fileupload1.hasfile             dim fileext string             fileext = system.io.path.getextension(fileupload1.filename)             if (fileext = ".docx" or fileext = ".doc")                 try                     fileupload1.saveas("full upload file path\" & _                        fileupload1.filename)                     label1.text = "<div class='mission_gothic_reg success'>statement received, thank you!<br />file name: " & _                        fileupload1.postedfile.filename & "<br>" & _                        "file size: " & _                        fileupload1.postedfile.contentlength & " kb</div>"                        button1.visible = false                        fileupload1.visible = false                 catch ex exception                     label1.text = "<div class='mission_gothic_reg fail'>error: " & ex.message.tostring() & "</div>"                 end try             else                 label1.text = "<div class='mission_gothic_reg fail'>only word document files allowed (.doc, .docx).</div>"             end if         else             label1.text = "<div class='mission_gothic_reg fail'>you have not specified file.</div>"         end if     end sub </script>

maybe else.


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