java script for stop page reloading

[vikas shukla]

hi sir, i am new in asp.net.sir i want to know that is there any java script with the help of which we can stop page reloading at the time of using ajax control. sir i know that update panel can do this.but sir i do not want to use update panel.i mean i want to stop my page reload without using update panel while i am using ajax.