CODEWITHSUNDEEP
javascriptasp.neteventsclient-side
Amit
Amit

Reputation: 22076

How to call javascript function on keyup event for asp:TextBox

How to call javascript function on keyup event for asp.net's TextBox control? I am trying something like this, but it is not working. 

<asp:TextBox ID="txt_userid" runat="server"  onkeyup="GetRes();"></asp:TextBox>


UPDATE
there is a update alert is working but breakpoints in java function is not working.

Upvotes: 3

Views: 36768

Answers (3)

suraj mahajan
suraj mahajan

Reputation: 870

$(document).ready(function () {
  $('#<%=TextBox1%>').keyup(function () {
    updateDateKey($(this).val());
  });
});

Upvotes: 0

mohit
mohit

Reputation: 31

it is very simple:

TextBox1.Attributes.Add("onclick", "hello();");

in asp.cs code file.

then in aspx source file use javascript function:

<script type="text/javascript">
    function hello() {

    alert("hi")

    }

</script>

Upvotes: 3

Afshin Gh
Afshin Gh

Reputation: 8198

Test this solution:

Add this code to your page load:

txt_userid.Attributes.Add("onkeyup", "GetRes();");

I don't say this is best way possible, but it works.

UPDATE:

Complete sample:

ASPX:

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <asp:TextBox ID="txt_userid" runat="server"></asp:TextBox>
    </div>
    </form>
</body>
</html>

Code behind:

protected void Page_Load(object sender, EventArgs e)
        {
            txt_userid.Attributes.Add("onkeyup", "alert('hi');");
        }

Works perfectly. Tested it in IE, Chrome, FireFox.

Upvotes: 8

Related Questions