How to avoid page refresh after selectedindexchanged?

hello

if you are not working on selectedindexchanged event them simply go to property and set autopostback =false

or

AutoPostBack="false">


but if you are doing some operation on selectedindexchanged then you need to use ajax

use scriptmanager and  Ajax UPdatepanel and put ddl and related control in updatepanel

mark as answered if helpfull

Hi Narsimha,

You need to set AutoPostBack property to false to achieve this purpose. See below:


AutoPostBack="false">
... // your options goes here




Happy Coding :)

Please don't forget to accept this as answer if it helps!
Thanks

hi 

you can use the Ajax UPdatepanel and drop it  in your  main panel that contain your Dropdownlist

any controllers  already in your panel will also be effected without refresh the page again an again .

check this article :

http://www.asp.net/ajax/documentation/live/overview/updatepaneloverview.aspx