Created
April 1, 2012 22:17
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Script registration labyrinth – startup scripts and $find (asynchronous postback)
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| <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="AsynchronousPostback.aspx.cs" Inherits="ScriptRegistrationLabyrinth.AsynchronousPostback" %> | |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head runat="server"> | |
| <title></title> | |
| </head> | |
| <body> | |
| <form id="form1" runat="server"> | |
| <div> | |
| <asp:ScriptManager runat="server" ID="ScriptManager1"> | |
| </asp:ScriptManager> | |
| <asp:UpdatePanel runat="server" ID="UpdatePanel1"> | |
| <ContentTemplate> | |
| <asp:Timer runat="server" ID="BretonTimer" OnTick="BretonTimer_Tick" Interval="2000" /> | |
| <asp:Label runat="server" ID="Label1" /><br /> | |
| <asp:Button runat="server" ID="StopBretonButton" Text="Stop!" OnClick="StopBretonButton_Click" /> | |
| <asp:Button runat="server" ID="JustAnotherPostbackButton" Text="Just another postback" /> | |
| </ContentTemplate> | |
| <Triggers> | |
| <asp:AsyncPostBackTrigger ControlID="BretonTimer" /> | |
| <asp:AsyncPostBackTrigger ControlID="StopBretonButton" /> | |
| </Triggers> | |
| </asp:UpdatePanel> | |
| </div> | |
| </form> | |
| </body> | |
| </html> |
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| using System; | |
| using System.Collections.Generic; | |
| using System.Linq; | |
| using System.Web; | |
| using System.Web.UI; | |
| using System.Web.UI.WebControls; | |
| namespace ScriptRegistrationLabyrinth | |
| { | |
| public partial class AsynchronousPostback : System.Web.UI.Page | |
| { | |
| protected void BretonTimer_Tick(object sender, EventArgs e) | |
| { | |
| Label1.Text += "*"; | |
| } | |
| protected void StopBretonButton_Click(object sender, EventArgs e) | |
| { | |
| string script = string.Format( | |
| "(function() {{" + | |
| "var fn = function() {{" + | |
| "$find(\"{0}\")._stopTimer();" + | |
| "Sys.Application.remove_load(fn);" + | |
| "}};" + | |
| "Sys.Application.add_load(fn);" + | |
| "}})();", BretonTimer.ClientID); | |
| ScriptManager.RegisterStartupScript(this, this.GetType(), "key1", script, true); | |
| } | |
| } | |
| } |
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