how to pass data from net .aspx to classic asp

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Dear friend i have some problem when implimenting project.i have work in classic asp page,vb script,.aspx page,c# page.
i want to know how to retrieve value from .aspx page in classic asp.

i did used iframe for showing html editor extender text

classic asp page:
<iframe id="iframe_work" src="txtEditor.aspx?work=<%=work%>" height="450" width="570"></iframe>

.aspx page

<ajax:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
          </ajax:ToolkitScriptManager>
          <asp:UpdatePanel ID="UpdatePanel1" runat="server">
              <ContentTemplate>
                  <asp:TextBox runat="server" ID="txtWork" TextMode="MultiLine" height="450" width="570" Text='<%#Eval("work")%>'></asp:TextBox>
                  <ajax:HtmlEditorExtender ID="htmlEditExtForTextBox" TargetControlID="txtWork" runat="server"
                      EnableSanitization="false">
                  </ajax:HtmlEditorExtender>
              </ContentTemplate>
          </asp:UpdatePanel>

when i did work to edit data its works fine means showing data but i didnt get in editing value or new fresh value of txtwork or txtwork value.

My question is how to get value from aspx page in classic asp.i want to retrive value from .aspx page in classic asp.