e.CommandArgument for asp button is not working

Question

I am developing a asp.net application using C#. I created an .aspx page and placed four buttons on different locations on the page. On server side, I want to use just one cl

Answer 1

Actually you don't need to pass the CommandArgument at all to know which button you pressed. You can get the ID of the button like below:

string id = ((Button)sender).ID;