Hi,

Sonu:

Please add the following line before public class...

[System.Web.Script.Services.ScriptService]

This is required to invoke the service from script.

I dont think that you need the InitializeComponent(); - You can remove it.

[System.Web.Script.Services.ScriptService] is already in the code.  The above snippet that does not have this is just what's created when you create a new web service. 

Thanks - Darren

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After looking at your project I noticed that you are using the wrong Microsoft.Web.Preview.dll file. You have used the one for 3.5 not 2.0 - use version: v1.2.61025 - I tried your project with that dll and it worked fine.

Hi,

Thanks - my mistake. I somehow overlooked that.

Thanks again.