Thursday, January 19, 2012

Ajax For Dummies in Asp.Net

Ajax for Dummies with Asp.Net. 
Ajax for Dummies with JQuery.
.Net WebMethods

Couple of weeks ago a friend of mine went to a job interview for a junior developer position.  After the interview he came back and complained about his Ajax skills.
Well, Noam, this is for you:

First open a new ASP.Net web application (or website, doesn't really matter).
Make sure you have JQuery in your website.

Create a new ASPX page.  lets call it, WebMethods.aspx
At the top of the page add "using System.Web.Services;"

Create a method called "AjaxForDummies()" and place a "[WebMethod]" attribute for it. This method will not accept parameters but will return a string to the server.

Create another method called "AjaxForDummies2(string name, string sDate) "
this method will accept 2 parameters and returns a string to the server.



The JavaScript code is actually very simple:
At the HTML part of the page place a simple code:


Pay Attention:
1. Always make sure your root on the properties.
2. Method should be static.
3. creating methods with the same name (overloading) is problematic.

Have fun,
Elad Shalom,
CTO @ ITweetLive.com

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