Working with MagicAJAX
page 1 of 8
Published: 03 May 2006
Unedited - Community Contributed
In this article, Azam explains how you can use the MagicAJAX library to make client side calls for the server controls.
by Mohammad Azam
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In this article, we will look at the MagicAJAX Library which helps make the client side postback calls and provides a smoother user experience.  The article will cover the development of a small application that is used to add and view user specific tasks. 

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User Comments

Title: MagicAjax in HTTPS   
Name: baxil7
Date: 2009-08-01 8:00:09 PM
I used magicAjac.dll in my web application
working well in HTTP
but in HTTPS is NOT work
how can I fix this problem?
Title: as new user point of abt magicajex   
Name: nil it
Date: 2009-02-24 12:49:22 AM
I was using only AJAX its very vast and also creatful good
Title: MajicAjax Library & ClientEventTrigger Control ????   
Name: Shiny
Date: 2007-08-09 3:33:59 AM
1. I Have include Magic Ajax dll to my project , now is ther any other settings which i have to do....
2. ClientEventTrigger Control-- what is the purpose of this control....
Title: problem in professional deployment   
Name: harshya
Date: 2007-06-21 11:36:13 AM
Hi all
I used magixajax dll for my prof. deployment on third party server but I get following error. any idea of it?

Server Error in '/' Application.

Attempted to access a field that is not accessible by the caller.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FieldAccessException: Attempted to access a field that is not accessible by the caller.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[FieldAccessException: Attempted to access a field that is not accessible by the caller.]
System.Reflection.RtFieldInfo.PerformVisibilityCheckOnField(IntPtr field, Object target, IntPtr declaringType, FieldAttributes attr, UInt32 invocationFlags) +0
System.Reflection.RtFieldInfo.InternalGetValue(Object obj, Boolean doVisibilityCheck, Boolean doCheckConsistency) +178
System.Reflection.RtFieldInfo.GetValue(Object obj) +8
MagicAjax.AjaxCallHelper.GetPageHiddenDictionary(Page page, String fieldName) +48
MagicAjax.AjaxCallHelper.Page_PreRender(Object sender, EventArgs e) +306
System.Web.UI.Page.OnPreRenderComplete(EventArgs e) +2012740
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1566

Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.210
Title: A tricky problem   
Name: Jagdish
Date: 2007-06-08 2:33:48 AM
I have used this MagicAjax.dll in my project
the project have 5 listbox in a .aspx page when the page is loaded only it works for one listbox not other one.
I just want to know whether it works only a single server control..............

Please Reply
Title: Error   
Name: Mohnish Arora
Date: 2007-06-01 5:23:19 AM
javascript ajaxcallobject.cs is not set to define location
Title: ClientEventTrigger Control   
Name: Mrs. Wan
Date: 2007-02-08 5:49:38 AM

I've been referenced MagicAjax.dll. but I can use only AjaxPanel control. So how do I get Ajax:ClientEventTrigger control? Please let me know. Thanks.
Title: about ClientEventtrigger   
Date: 2007-01-10 11:50:08 PM
I have used one ClientEventtrigger and two AjaxZone whose is AjaxZone1 and Ajaxzone2.AjaxZone1 include one DorpDownList,and AjaxZone2 inlcude the ClientEventtrigger and one Laber.
now I Want to achieve that when i chang the dorpdownList ,the Laber show then DorpDownList's selectitem.text

dorpdownList's AutoPostBack is true;

this is my Event's code

private string ss="-";

protected void ClientEvfenttrigger1_Invoke(object sender, EventArgs e)

Label1.Text += ss ;
protected void DorpdownList1_SelectedIndexChanged(object sender, EventArgs e)
ss += "yy";

when i was changed DorpdownList ,the Lable can not show dorpDownlist's selectitem.text and show "-" ,
It's sayed "ss" of variable no transfed when transact DorpDownList_SelectIndexChanged

May is that the ClientEvfenttrigger1_Invoke transact befor then DorpdownList_SelectIdexCHanged
What can I do next ?
Title: thanks   
Name: shahji
Date: 2006-12-26 4:26:25 AM
Article helped me much. thanks a lot
Title: Session Problem in Majic Ajax   
Name: Dr.Kash
Date: 2006-11-03 5:42:48 AM
hello, I have used majic ajax in my web application. It works fine, i update the grid through the button click and they both are in the majic ajax panel. Now problem comes when the Session of my application expires, then when i click on the button it stucks and after some time blank page arrives. Can any one help that what i have done wrong and how can i prevent this on session expiration. Kindly help me around.
Title: Great   
Name: Tedz
Date: 2006-10-17 6:21:38 AM
Very Nice Article.

Can you tell me how to integrated Javascript function in ClientClientEventTrigger. I need event PropertyChange. So when event was called, it will be directed to server side code.

Title: AjaxZone with GridView   
Name: MagicAjaxHelp
Date: 2006-10-09 5:10:34 PM

This article helped me in getting started with Magic Ajax control. It is real easy to use.

But I have run in to the following problem:

I have a Gridview with an Add and Remove button. I would like to add rows when the enter key is pressed. I have the code working without the AjaxZone. When I add the AjaxZone around the gridview somehow the rowcommand event of the GridView does not get called. I tried using the ClickEventTrigger and set the ControlID to the GridView and the Event to 'RowCommand'. It doesn't work.

Any help is appreciated.

Title: fileupload   
Name: eddy
Date: 2006-09-08 3:15:48 AM
if you bother to read the magicAJAX docs, you can see it's a known limitation.
Title: FileUpload problem   
Name: Energuman
Date: 2006-08-24 9:52:36 AM
I guess i'm not the only one to have problem with my UploadFile. What is the problem? I got an FileUpload object in an AjaxPanel, and when i try to get the file i have chosen, i get a "System.NullReferenceException", the object is empty. If i put my FileUpload out of the AjaxPanel, i can successfully obtain my file uploaded. So, i think the problem is due to the AjaxPanel... So i would like to know if it is possible to use the basic FileUpload from ASP, or if there is another one to use instead. I hope my question will not stay without an answer.
Title: FileUpload Problem   
Name: AzamSharp
Date: 2006-08-09 11:37:24 AM
Can you explain in detail about the problem?
Title: FileUpload   
Name: Paulo
Date: 2006-08-09 10:00:32 AM
I Have the same problem of Noob somebody can help me?
Title: Need a little help   
Name: Noob
Date: 2006-05-16 8:34:06 AM
Hi the article was very informative and it has helped allot. I was wondering if you have managed to use a FileUpload control with ajax, it returns a empty object and I cant seem to get is to work, do you have any idea?
Title: ClientEventTrigger   
Name: AzamSharp
Date: 2006-05-09 11:21:56 AM

I think you posted this question on the wrong article since ClientEventTrigger is a feature of the UpdatePanel control which comes with the ATLAS framework. The main purpose of the ClientEventTrigger is to refresh the UpdatePanel based on the event of a certain control in this case DropDownList. This means that whenever the DropDownList changes its selected the UpdatePanel will be refreshed and hence the GridView is also refreshed.
Title: I dont understand the usage of control ClientEventTrigger   
Date: 2006-05-09 1:01:28 AM
Hi Azam,
Your article helps me a lot but can you tell me what is different if we dont use control ClientEventTrigger in above example.
Thanks in advance
Have a good day.
Title: thanks   
Date: 2006-05-05 7:45:19 PM
thanks Mohamed

your article help me so much.


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