Calling JavaScript from

Most of we think that it is very difficult to call a javascript code from
codebehind file in But it is possible with a single line of code….
Let me explain to display a confirmation dialog box in a page…
If we have a button named Button1 then
  in Page_Load  add the following single statement
    Button1.attributes.add("onclick","if (confirm(‘Are you sure to proceed?’)) return true;else return false;")
       That’s it. Our job is done..
Now we can write the server side coding in Button1_Click that shud be executed if user clicks "yes"
      on the prompt. It won’t do the postback if we go with "No" option

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