Enter key press execute button click

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The javascript used for executing the submit button when enter button press after filling the textbox field. but it is not working properly...What will be my mistake...plz help me to find it.

ASP.NET

<asp:TextBox ID="txtComment" runat="server" MaxLength="300"   onKeyPress="return processKey(event) ">
<script type="text/javascript">
      function processKey(e) {
      var key;
      if (window.event)
          key = window.event.keyCode;
      else
          key = e.which;

      if (key == 13) {

          var btn = document.getElementById('ctl00_btnsend');

          if (btn != null) {

              btn.click();

              event.keyCode = 0
          }
      }
}
</script>

Posted 17-Feb-13 20:27pm

Member 9492907

Updated 17-Feb-13 20:32pm

_Amy

v2

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Asim Mahmood · Answer 1 · 2013-02-17T20:58:00

Solution 1

Call js function like this onBlur="functionName(event)" you can also use onChange="functionName"

Posted 17-Feb-13 20:58pm

Asim Mahmood

Updated 17-Feb-13 20:59pm

v2

Comments

Member 9492907 18-Feb-13 3:34am

not working these functions

Asim Mahmood 18-Feb-13 3:37am

am currently using it
<asp:TextBox ID="TextBox1" runat="server" onChange="GetValues();" />

Vani Kulkarni · Answer 2 · 2013-02-17T20:59:00

Your code seems fine. Have you added following attributes to your textbox?

C#

txtbox1.Attributes.Add("onKeyPress", 
                   "processKey('" + btnSearch.ClientID + "',event)"); //txtbox1 is an example, rename it your textbox name.

Also have a look at this link, same function in javascript has been written as the one you are using:

Capturing the Enter key to cause a button click[^]

Try this link as well:
using-javascript-detect-enter-key-pressed-event-in-a-textbox-and-perform-the-action/[^]

vinodkumarnie · Answer 3 · 2013-02-17T21:36:00

Here simple Jquery code to do the same...

XML

<script type="text/javascript">
$(document).ready(function(){
    $("#txtwhichpart").keypress(function(e){
        if (e.which == 13){
            // do your custom processing here
            $('#bsubmit_blist').click();
        }
    });
});
    </script>

txtwhichpart is text box id
bsubmit_blist is button id

//code behind

C#

protected void btnsearchhome_Click(object sender, EventArgs e)
{
   // here your code behind function of button
}

Enter key press execute button click

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