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Very Hot Topic (More than 25 Replies) how to start on web application with ajax. (Read 36540 times)
kirtesh
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how to start on web application with ajax.
Jul 24th, 2007 at 10:38am
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sir
I am using image map ...with this can i be able to
apply ajax ,java script handling etc.
Sir ,what will be better ..should use java applet or
image map for this application.
actually my application is related to creating flowchart from database's data. I want apply all
handling creating ,deleting ...etc.. by ajax calling .
during this time I also unable to save the flowchart
data when using other handling ...mean how to save flowchart and how to recover data from this previous handling ...xml saving is right option or not?
also when i am applying deatch() to any node while using collapse handling ..but when expending data cming with duplicacy.
plz help
thanks
  
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Stoyo
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Re: how to start on web application with ajax.
Reply #1 - Jul 24th, 2007 at 11:36am
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Hi,

Better use the applet mode. Check the OrgBrowser sample project for example on how to make Ajax calls from client side event handlers.

You might transfer the string returned by SaveToString between the client and the server (using Ajax calls or hidden field values), and load it using LoadFromString. On the server side you can save it either in binary or XML format, as you prefer.

I hope that helps,
Stoyan
  
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kirtesh
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Re: how to start on web application with ajax.
Reply #2 - Jul 24th, 2007 at 12:36pm
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hi sir,
thanks for fast reply.
i used yr orgbrowser ..but its being build failed
due to
<asp:ScriptManager ID="ScriptManager1" runat="server">
           <Services>
               <asp:ServiceReference Path="OrgService.asmx" />
           </Services>
       </asp:ScriptManager>

plz specify what i hav to do run it successfully ?
thanks
kirtesh
  
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Stoyo
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Re: how to start on web application with ajax.
Reply #3 - Jul 24th, 2007 at 1:01pm
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You must install the ASP.NET AJAX framework:

http://ajax.asp.net/

I hope that helps,
Stoyan
  
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kirtesh
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Re: how to start on web application with ajax.
Reply #4 - Jul 24th, 2007 at 1:23pm
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sir
I have installed , but when i remove property
clientsidemode of scriptmanager...project runs..
but loading javaapplet failed .
what i hav to do nxt for it..
sorry for innconvienince.
  
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Re: how to start on web application with ajax.
Reply #5 - Jul 24th, 2007 at 1:35pm
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What do you mean by "remove property 
clientsidemode of scriptmanager"?

Stoyan
  
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kirtesh
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Re: how to start on web application with ajax.
Reply #6 - Jul 25th, 2007 at 4:16am
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Sir ,
the project is running successfully now..
thanks

kirtesh
  
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kirtesh
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Re: how to start on web application with ajax.
Reply #7 - Jul 25th, 2007 at 9:19am
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sir ,

1.how can i extract the node tag on javascript page ..
to identify that which node has been clicked in a large group of nodes ...while i am able to give the
identity on the aspx.cs page using .tag property .

kirtesh
  
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Re: how to start on web application with ajax.
Reply #8 - Jul 25th, 2007 at 9:28am
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Tags are automatically transferred between the client and the server only if they are strings. Otherwise you must handle the SeriailzeTag and DeserializeTag events to convert the tags to/from strings.

Stoyan
  
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kirtesh
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Re: how to start on web application with ajax.
Reply #9 - Jul 25th, 2007 at 10:00am
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hi
I have already used string format ..with Tag,
actually when I expend the node ..it comes on this javasript function ..but cant identify the parentNode  mean "its value is not identified ".how can it be solved.


function onTreeExpanded(parentNode)
       {
            //var parentNode = '0';
                  var i       = parentnode.Tag;
      
             var param = 'action=TreeExpanded='+parentNode;
             WebForm_DoCallback('__Page', param, null, 'fdiv', ResultHandlerError, false);
         
       }
     
  
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Re: how to start on web application with ajax.
Reply #10 - Jul 25th, 2007 at 10:25am
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JavaScript is case-sensitive, so replace "parentnode.Tag" with "parentNode.Tag".
  
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kirtesh
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Re: how to start on web application with ajax.
Reply #11 - Jul 25th, 2007 at 1:54pm
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I have modified  it .
but pro. has not been removed .
its cming unknown exeception ..mean its not identifying parentNode at my side ,I think.
  
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Re: how to start on web application with ajax.
Reply #12 - Jul 25th, 2007 at 2:13pm
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The items' properties can be accessed via getter methods on the client side:

i = parentNode.getTag()

You cannot use the property syntax there (parentNode.Tag).

Stoyan
  
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Re: how to start on web application with ajax.
Reply #13 - Jul 26th, 2007 at 7:41am
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Sir
Can i able to be implement ajax using Imagemap.aspx .

kirtesh
  
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Re: how to start on web application with ajax.
Reply #14 - Jul 26th, 2007 at 8:39am
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The most you can do from image map mode is to call Ajax methods when an item is clicked. Users won't be able to draw or modify items, but just click on ones you create programmatically on the server.

Stoyan
  
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