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  <%@ Page Language="C#" ClassName="WebApplication1._Default" %>

  <script runat="server">

    // C# and ASP.NET
    protected void SubmitButton_Click(object sender, EventArgs e)
    {
        MultiView1.ActiveViewIndex = 1;
    }

    protected void ClickHereButton_Click(object sender, EventArgs e)
    {
        SaidLabel.Text = string.Concat("You said: ", SayTextBox.Text);
        MultiView1.ActiveViewIndex = 2;
    }

  </script>

  <html>
  <head runat="server">
    <title></title>
  </head>
  <body>
    <form id="form1" runat="server">
      <asp:MultiView ID="MultiView1" runat="server" ActiveViewIndex="0">
        <asp:View runat="server">
          <asp:TextBox ID="SayTextBox" runat="server" />
          <asp:Button ID="SubmitButton" runat="server" Text="Submit" OnClick="SubmitButton_Click" />
        </asp:View>
        <asp:View runat="server">
          <asp:LinkButton ID="ClickHereButton" runat="server" Text="Click Here" OnClick="ClickHereButton_Click" />
        </asp:View>
        <asp:View runat="server">
          <asp:Label ID="SaidLabel" runat="server" />
        </asp:View>
      </asp:MultiView>
    </form>
  </body>
  </html>

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4 points by amund 6172 days ago | link

Shorter but non-idiomatic C#/ASP.NET:

    <%@ Page Language="C#" %>
    <html>
    <head>
    <title>Said</title>
    </head>
    <body>
        <form id="form" runat="server">
            <% if (!IsPostBack) { %>
                <input name="foo" />
                <input type="submit" />
            <% } else if (Request.Form["foo"] != null) {
                Session["foo"] = Request.Form["foo"]; %>
                <a href="javascript:form.submit()">click here</a>
            <% } else { %>
                you said: <%=Session["foo"]%>
            <% } %>
        </form>
     </body>
    </html>

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3 points by brentb 5902 days ago | link

Shorter still, but exactly the same idea:

<%@ Page Language="C#" %> <form id="f" runat="server"> <% var v = Request.Form["x"]; if (!IsPostBack) { %> <input name="x" /><input type="submit" /> <% } else if (v != null) { Session["x"] = v; %> <a href="javascript:f.submit()">click here</a> <% } else { %>you said: <%=Session["x"]%><% } %></form>

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