how to display an alert message in ajax

Originally Posted by cmrhema

Hi,

I am working in asp.net+ajax. I do not know where to put this question. I guess i am in the right place

I am using ajax update control panel. I have three dropdownlist inside it. Now the user has to choose values from the three dropdownlist. If he chooses the same item as that of previous dropdownlist. I want to display an alert message.

I cannot use response.write("<script> alert("dfs")</script>");

I am supposed to write in dropdownlist selected change event

please help me out

regards

cmrhema