Posted on: 8/19/2014 4:43:26 PM | Views : 414

I have a form like this:
<!-- MyForm.aspx --><form id="form1" runat="server"> <asp:TextBox runat="server" ID="inputbox" TextMode="Multiline" /> <asp:TextBox runat="server" ID="outputbox" TextMode="Multiline" /> <asp:Button runat="server" ID="OK" PostbackUrl="MyForm.aspx" Text="OK" OnClick="OK_OnClick" /> </form> In the code-behind, I have:
protected void Ok_OnClick(object sender, EventArgs e) { // string Transform(string instr) is written by me outputbox.Text = Transform(inputbox.Text); } The problem is that after the form has been idle for a few minutes, when you click the button, all the input and output disappears. By calling Response.Write in various places, I was able to establish t ...

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