How to get the javascript confirmation alert response in code behind

Question

3.67/5 (2 votes)

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How to show javascript alert from code behind and get its response to codebehind

eg:

if (textbox1.text !="")
{
i need to show alert here and need to get its response as x
if( x== ok)
{

}
else

{

}

}

Posted 17-Feb-14 1:13am

fiashieen

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**Dnyaneshwar**@Pune · Answer 1 · 2014-02-17T01:40:00

XML

<script type="text/javascript">
function confirmation() {
    var answer = confirm("do you want to delete?")
    if (answer){
                             document.getElementByID("hdnValue").value='true';
    }
    else{
                 document.getElementByID("hdnValue").value='false';
    }
}
</script>



ScriptManager.RegisterStartupScript( this, typeof(Page),  "confirm", "<script>confirmation();</script>",    false);

now you can access the value of hdnValue hiddenField control value further.

TrushnaK · Answer 2 · 2014-02-17T01:43:00

try this js function:-

C#

function confirmBox() {
   if document.getElementById("<%textbox1.ClientID %>").value != "")
   {
        var ans = confirm('Do you want to save this data?');
                  if (ans == true) {
                      return true;
                  }
                  else {
                      return false;
                  }
  }
}

refer:-
http://www.aspsnippets.com/Green/Articles/Server-Side-Code-Behind-Yes-No-Confirmation-Message-Box-in-ASPNet.aspx[^]

Nivedita_Parihar · Answer 3 · 2014-02-17T01:21:00

Solution 1

C#

ScriptManager.RegisterStartupScript(this,this.GetType(),"redirect",
"alert('test 9'); window.location='" +
Request.ApplicationPath + "anotherpage.aspx';",true);

Posted 17-Feb-14 1:21am

Nivedita_Parihar

Comments

fiashieen 17-Feb-14 7:27am

this answer is not meeting my requirement for me because i want to know (the user clicked yes or no button)

**Dnyaneshwar**@Pune · Answer 4 · 2014-02-17T01:22:00

Solution 2

use

VB

ScriptManager.RegisterStartupScript(
        this,
        typeof(Page),
        "Alert",
        "<script>alert('" + sMessage + "');</script>",
        false);

Posted 17-Feb-14 1:22am

Dnyaneshwar@Pune

Comments

fiashieen 17-Feb-14 7:27am

this answer is not meeting my requirement for me because i want to know (the user clicked yes or no button)

Gitanjali Singh · Answer 5 · 2014-02-17T01:38:00

Solution 4

Refer:
Implementing-javascript-confirm-box-in-code-behind[^]
This may help.

Posted 17-Feb-14 1:38am

Gitanjali Singh