Start with Ajax.NET

Posted by john
6/19/2007
Related Tags:

  Ajax.NET Professional 

  Microsoft.NET Framework 2.0 

  Ajax.net Professional Profile: 

  Ajax.net is a response. NET platform services-Ajax Framework (Microsoft has a framework called Atlas, on the Atlas see Dflying Chen's Blog), which allow you to call the client. NET, you can also access to the relevant source code. However, its license agreement is not very clear. 

  Contact original author: http://weblogs.asp.net/mschwarz/contact.aspx 

  Original author of Blog: http://weblogs.asp.net/mschwarz/ 

  If you have questions or find a Bug please visit: Google group Ajax.NET Professional. 

  Original author of the e-mail address: 
  Michael Schwarz 
  Meisenweg 2 
  90547 Stein, Germany 


  Download Ajax.NET Pro (5.11.4.2), including against. NET1.1 (C #) and. NET2.0 (C # / VB.NET). 

  Let us start from here it: Ajax.NET novice guidelines 

  First, add the AjaxPro.2.dll references (for the. NET Framework 1.1 Add AjaxPro.dll) 

  Then, add the web.config configuration file, add the following lines: 

  A    <? Xml version = "1.0" encoding = "utf-8?"> 
2 <configuration>
3 <appSettings/>
4 <connectionStrings/>
5 <system.web>
6 <httpHandlers>
7   <add Verb="POST,GET" path="ajaxpro/*.ashx" type="AjaxPro.AjaxHandlerFactory, AjaxPro.2"/> 
8   </ HttpHandlers> 
9 [ ]
10   </ System.web> 
11   </ Configuration> 
12

  Mean that all the ajaxpro / *. ashx request by Ajax.PageHandlerFactory handle, and not by default System.Web.UI.PageHandlerFactory processing plant to deal with them. 


  Now we write a AjaxMethod server, the server he and the general methods only difference is that he must add a method of the above [AjaxPro.AjaxMethod], the code below: 

  A  [AjaxPro.AjaxMethod]
2   Public int AddTwo (int firstInt, int secondInt) 
3   ( 
4   SecondInt return firstInt +; 
5   ) 

  To use Javascript on the client call. NET, you must also be registered these methods: 

  A    Protected void Page_Load (object sender, EventArgs e) 
2   ( 
3   AjaxPro.Utility.RegisterTypeForAjax (typeof (_Default)); 
4   ) 

  Finally, we write the script called client server approach (code detailed in the Notes). 

  Following is the outlook Default.aspx code: 

  A    <% @ Page Language = "C #" AutoEventWireup = "true" CodeFile = "Default.aspx.cs" Inherits = "_Default"%> 
2
3   <DOCTYPE html PUBLIC "- / / w3c / / DTD XHTML 1.0 Transitional / / EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
4   <html Xmlns="http://www.w3.org/1999/xhtml"> 
5   <head Id="Head1" runat="server"> 
6   <title> Untitled Page </ title> 
7   </ Head> 
8 <body>
9   <form Id="form1" runat="server"> 
10 <div>
11   <input Id="Text1" type="text" onchange="add()"/> 
12 +
13   <input Id="Text2" type="text" onchange="add()"/> 
14 =
15   <span Id="result"> </ span> 
16   </ Div> 
17   </ Form> 
18
19   <script Type="text/javascript"> 
20   Function add () 
21   ( 
22   Var a = document.getElementById ( 'Text1'). Value; 
23   Var b = document.getElementById ( 'Text2'). Value; 
24   Var a1 = parseInt (a); 
25   Var b1 = parseInt (b); 
26
27   _Default.AddTwo (A1, b1, getAdd_callback); / / asynchronous server-side method call 
28   ) 
29
30   Function getAdd_callback (rel) 
31   ( 
32   / / MyDemo._Default.GetServerTime () came from the server by the data object, to write. Value 
33   Document.getElementById ( "result"). InnerHTML = rel.value; 
34   ) 
35
36   </ Script> 
37
38   </ Body> 
39   </ Html> 
40

  Following is a complete Background Default.aspx.cs code: 

  Using System; 
  Using System.Data; 
  Using System.Configuration; 
  Using System.Web; 
  Using System.Web.Security; 
  Using System.Web.UI; 
  Using System.Web.UI.WebControls; 
  Using System.Web.UI.WebControls.WebParts; 
  Using System.Web.UI.HtmlControls; 

  Public partial class _Default: System.Web.UI.Page 
  ( 
[AjaxPro.AjaxMethod]
  Public int AddTwo (int firstInt, int secondInt) 
  ( 
  SecondInt return firstInt +; 
  ) 

  Protected void Page_Load (object sender, EventArgs e) 
  ( 
  AjaxPro.Utility.RegisterTypeForAjax (typeof (_Default)); 
  ) 
  ) 




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