ScriptManagerRegisterDataItemCS.aspx 1.8 KB

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  1. <%@ Page Language="C#" %>
  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  3. "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  4. <script runat="server">
  5. protected void Page_Load(object sender, EventArgs e)
  6. {
  7. if (ScriptManager1.IsInAsyncPostBack)
  8. {
  9. System.Web.Script.Serialization.JavaScriptSerializer json =
  10. new System.Web.Script.Serialization.JavaScriptSerializer();
  11. ScriptManager1.RegisterDataItem(Label1, DateTime.Now.ToString());
  12. ScriptManager1.RegisterDataItem(Label2, json.Serialize("more data"), true);
  13. }
  14. }
  15. </script>
  16. <html xmlns="http://www.w3.org/1999/xhtml" >
  17. <head runat="server">
  18. <title>ScriptManager RegisterDataItem Example</title>
  19. </head>
  20. <body>
  21. <form id="form1" runat="server">
  22. <div>
  23. <asp:ScriptManager ID="ScriptManager1" runat="server" />
  24. <script type="text/javascript" language="javascript">
  25. Sys.WebForms.PageRequestManager.getInstance().add_pageLoading(PageLoadingHandler);
  26. function PageLoadingHandler(sender, args) {
  27. var dataItems = args.get_dataItems();
  28. if ($get('Label1') !== null)
  29. $get('Label1').innerHTML = dataItems['Label1'];
  30. if ($get('Label2') !== null)
  31. $get('Label2').innerHTML = dataItems['Label2'];
  32. }
  33. </script>
  34. <asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional" runat="server">
  35. <ContentTemplate>
  36. UpdatePanel content.
  37. <asp:Button ID="Button1" Text="Submit" runat="server" />
  38. </ContentTemplate>
  39. </asp:UpdatePanel>
  40. <hr />
  41. <asp:Label ID="Label1" runat="server" /> <br />
  42. <asp:Label ID="Label2" runat="server" />
  43. </div>
  44. </form>
  45. </body>
  46. </html>