Using JavaScript to interact with object

Question

I would like to interact with object that has many of objects and also methods.

    class Question
    {
       Boolean IsVisible;
    }    
    class Exam
        {
           public 

list<Question> questions;
       getShowenBs()
       {
             //piece of code
       }
       getHiddenBs()
       {
            //piece of code
       }


    }

From aspx page I want to only go to server side to get exam object with all questions at the first time then accoroding to answer for specific question ,some questions will appear and other will disappear and I don't need to go to server side again .Now I want to show and hide using the methods inside Exam object.I got from my friends that Sencha , Prototype and JSON can do that.Is it correct and are there can also call methods inside exam object without going to server side?

All ideas are welcomed and you can modify any thing except going to server side twice

I hope it be clear and feel free to ask me for anything

Can you clarify what you mean by call methods inside exam object without going to server side? Your Exam class is implemented on the server. You can expose web services in order to call its methods from the client side, but that still counts as going to server side IMHO... — Frédéric Hamidi
– Frédéric Hamidi, Commented Apr 6, 2011 at 18:54
@Frederic : I really don't know how !!! but I need to hide some questions and show others without going to server side if you have any suggestion you can — Mohammed Thabet
– Mohammed Thabet, Commented Apr 6, 2011 at 19:00
See this answer for example of manually "converting" server side collection to client side array.. in your case it's List instead of enum but the logic is the same. — user447356
– user447356, Commented Apr 6, 2011 at 19:06

James L · Accepted Answer · 2011-04-06 18:57:16Z

1

You need to serialize all these questions to JSON on the server. You cannot pass logic between the server and the client, so you will have to implement the logic on the client in JavaScript.

answered Apr 6, 2011 at 18:57

James L

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1 Comment

Mohammed Thabet Over a year ago

So I should implement method on client side

Raynos · Accepted Answer · 2011-04-06 18:57:34Z

0

Just use ajax to call a [WebMethod] on the server.

[WebMethod]
public static Dictionary<String, String> myWebMethod(string arg1, string arg2, ...) {

}

Then just use a $.ajax call to "url/myaspx.aspx/myWebMethod" with the correct parameters. You can handle the returned dictionary in your callback.

answered Apr 6, 2011 at 18:57

Raynos

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2 Comments

Mohammed Thabet Over a year ago

So I will create web service at server

Raynos Over a year ago

@thabet084 Well kind of. It's more allowing the client to call a C# method. Just add it to one of your classes and call it from the client

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