Install asp.net AJAX tool kit, and then make new project AJAX enabled web site. it will provide all necessory features of ajax
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Install asp.net AJAX tool kit, and then make new project AJAX enabled web site. it will provide all necessory features of ajax
u can use VB.Net, C# and J#, Javascript could'nt used for server side programming. only 3 above mentioned languages are supported by ASP server side programming. javascript used for client side...
it is not possible to have more than one code behind file for an aspx page. how ever if page include control (user controls) then each control will surely has its own ascx.cs
answer fix timing is best answer, u cant fully control enviorment of client system even wih javascript
Net Material but books are really important for core concept and detailed knowledge. i would like to recommend u few books
1- APress Beginning Asp.Net with C# from Novice to Professional
2- Wrox...
Go to properties of ur control ie radio button and set it post back =false