JavaScript confirm from code behind C#

Question

I have a button on my aspx page. I want to use javascript confirm before continuing execution when clicking on that button. I can do it easily if i am writing javascript in aspx page itself . But my problem is each time the confirm message may be different. I need to check various condition to generate appropriate confirm message.

Can I call confirm in my code behind, so that I can construct confirm message from there?

What I'm trying is:

 protected void Button1_Click(object sender, EventArgs e)
 {
        //just the algorithm given here
       string message=constructMessage(); \\ its just a function to construct the confirm message
       if(confirm(message)) // i know i cant use  javascript in code behind direct. How can i do this
          {
             //do something
          }
          else
          {
             // do nothing
          }
 }

done .thank you for notifying that :)

Null Pointer
– Null Pointer

2011-02-01 06:05:09 +00:00
Commented Feb 1, 2011 at 6:05 — Null Pointer
– Null Pointer, Commented Feb 1, 2011 at 6:05
possible duplicate of call js confirm from code behind

Randy Levy
– Randy Levy

2011-02-01 06:35:56 +00:00
Commented Feb 1, 2011 at 6:35 — Randy Levy
– Randy Levy, Commented Feb 1, 2011 at 6:35

Robin Maben · Accepted Answer · 2011-02-04 05:35:21Z

2

 protected void Button1_Click(object sender, EventArgs e)
 {
           string message= 
           "if(confirm("+message+")) 
              {
                  //do something
              }
              else
              {
                 // do nothing
           }";
           this.ClientScriptManager.RegisterStartupScript(typeof(this.Page), "warning",         message, true);
                 //Prints out your client script with <script> tags

  }

For further reference on ClientScriptManager

edited Feb 4, 2011 at 5:35

answered Feb 1, 2011 at 6:17

Robin Maben

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1 Comment

Robin Maben Over a year ago

@Null Pointer : You could mark an answer if something has helped you find your solution.

programmer · Accepted Answer · 2011-02-01 06:14:54Z

1

I just got this link which describes different ways of calling javascript

http://www.codedigest.com/Articles/ASPNET/314_Multiple_Ways_to_Call_Javascript_Function_from_CodeBehind_in_ASPNet.aspx

may be this will help..

answered Feb 1, 2011 at 6:14

programmer

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