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Posted 11 Nov 2010
Licenced CPOL

Working with JsonHTTPHandler

, 13 Nov 2010
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This little code just gives you hands on trick to access Webservice using JavaScript.


I knew that webservice can be accessed by JavaScript, but haven't thought that there was such an easy way. Have a look at it.

Using the Code

Let's start step by step.

Step 1

Add Script Manager Instance to your ASPX Page. Here I have specified path of my webservice (QuoteService.asmx).

<asp:ScriptManager ID="_ScriptManager" runat="server">
                <asp:ServiceReference Path="~/QuoteService.asmx" />

Step 2

Add the below mentioned attribute to your code behind of Webservice (in my case QuoteService.cs)

[WebService(Namespace = "")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

And write some method to your Webservice Code Behind Class. (In my case QuoteService.cs)

public string GetQuote(int intVar)
return (intVar + 6).ToString();

Step 3

Call a Function from JavaScript and define the Return value handler of function.

function LookUp() {
            QuoteService.GetQuote(2, OnLookupComplete)

Define result Handler Function as depicted in the above code.

function OnLookupComplete(result) {

So guys, we are done with our tricks.

Points of Interest

I just was thinking it will be a very time consuming concept to calling webservice from JavaScript, but as I searched through net, I found a very simple solution, so I thought it may be useful to you also in some part of code.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Hiren solanki
Software Developer
India India
He is a Smart IT devloper with Few years of Expeariance But having Great command on,C#,SQL Query,SSRS,Crystal Reports

Apart from that He Loves multimedia work too, Master of Adobe photoshop, Illustrator, CSS , HTML and all things.

He is Currently working in Microsoft Dynamics CRM and Having Nice Expearince with CRM. CRM Rocks!!!

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Comments and Discussions

GeneralGreat tip! Thanx..... Pin
JeroenVonk11-Nov-10 4:05
memberJeroenVonk11-Nov-10 4:05 

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