Asp.Net textbox TextChanged event is not firing

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3.75/5 (3 votes)

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C#

ASP.NET

Asp.Net textbox TextChanged event is not firing

Posted 7-Aug-12 5:00am

Sourav Kumar Panda

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Comments

Sandeep Mewara 7-Aug-12 11:38am

This is not a well framed question! We cannot work out what you are trying to do/ask from the post. Please elaborate and be specific.
Use the "Improve question" link to edit your question and provide better information.

Sourav Kumar Panda 7-Aug-12 11:42am

Sorry for dat question but i hv solved dat

mvengaqua 30-Jan-14 1:54am

hello please help me m facing the same problem..my mail id is mohispks17@gmail.com

4 solutions

Solution 5

yes textbox changed event works with only tab and enter. may be someone improve this event for while textbox changing.

but i suggest a timer in javascript.

var myVar = setInterval(function () { myTimer() }, 1)
function myTimer() {
.
.
.
here codes
document.getelementbyid("<=%textBox1.ClienID%>).value=document.getelementbyid("<=%textBox1.ClienID%>).value();
.
.
.

}

Posted 24-Sep-14 15:20pm

alienqueen

Updated 24-Sep-14 15:27pm

v2

Comments

CHill60 5-Jan-15 4:56am

No. Just No.

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Dinesh Ambaliya · Accepted Answer · 2012-08-07T05:44:00

Solution 3

use this...

XML

<asp:TextBox ID="TextBox1" runat="server" 
            onkeypress="document.getElementById('Label1').innerHTML=this.value;" />
             <asp:Label ID="Label1" runat="server" Text="" />

Pls Accept solution if it help.

Posted 7-Aug-12 5:44am

Dinesh Ambaliya

Comments

Sourav Kumar Panda 7-Aug-12 11:46am

I hv already done dat
but thnx for gave ur time to solve it :)

mudassir19 19-Jun-13 5:28am

Thanks a lot. It helped me.

kalsa 6-Jul-16 9:13am

Nice...

Christian Amado · Accepted Answer · 2012-08-07T05:02:00

Solution 1

You can set the AutoPostBack property to True just like this:

HTML

AutoPostBack="True"

Will going to work better if you put the textbox inside an updatepanel from AJAX =)

In your html code:

ASP.NET

<body>
    <form id="form1"  runat="server" method="post" autocomplete="off">
    <div>
        <asp:TextBox ID="TextBox1" runat="server" AutoPostBack="True" 
            ontextchanged="TextBox1_TextChanged">
    </div>

    <asp:Label ID="Label1" runat="server" Text="Label">
    <asp:Button ID="Button1" runat="server" Text="Button" />
    </form>
    
</body>

Hope it helps.

Posted 7-Aug-12 5:02am

Christian Amado

Updated 7-Aug-12 5:19am

v2

Comments

Sourav Kumar Panda 7-Aug-12 11:07am

Thnx for your replay
I have already tried this but it is not working

Christian Amado 7-Aug-12 11:09am

Can you improve your question showing parts of your html code?

Sourav Kumar Panda 7-Aug-12 11:12am

in my source

<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server" AutoPostBack="True"
ontextchanged="TextBox1_TextChanged">
</div>

<asp:Label ID="Label1" runat="server" Text="Label">
<asp:Button ID="Button1" runat="server" Text="Button" />
</form>

</body>

in code behind i just want to change the label text when i change the text in the textbox

protected void TextBox1_TextChanged(object sender, EventArgs e)
{
Label1.Text = TextBox1.Text;
}

Christian Amado 7-Aug-12 11:19am

Works for me! What type of project do you use?

Sourav Kumar Panda 7-Aug-12 11:26am

I dont want that text on button click .I want dat text on label dynamically i mean when i change the text in text box dat data should come directly on label

Christian Amado 7-Aug-12 11:29am

Yeap. I understand that. When I type something i have "something" in the label.

Sourav Kumar Panda 7-Aug-12 11:31am

Is it possible here or not ??

tarun kumar sahu hs 15-Jul-13 7:15am

hi i am tarun

in asp.net we work on textbox changed event for check datais available or not and compair datafrom database .but page is pastback and taking time .

I want to use java script on client side this fast how to write javascript code in client side

Member 13956077 21-Aug-18 21:52pm

asddasd

Sourav Kumar Panda · Accepted Answer · 2012-08-07T05:40:00

Solution 2

TextChanged: "Occurs when the content of the text box changes between posts to the server." AutoPostBack: "Use the AutoPostBack property to specify whether an automatic postback to the server will occur when the TextBox control loses focus. Pressing the ENTER or the TAB key while in the TextBox control is the most common way to change focus."

Posted 7-Aug-12 5:40am

Sourav Kumar Panda

Comments

Member 10232382 13-Sep-13 8:10am

In my Project i wrote the text changed event to textbox and set the property autopostback="true" it is work fine. But the problem is when press the tab or enter to that textbox It Occurs the PostBack to the enteir page please help me
thanks in advance

ruby kaur 18-May-14 7:03am

The solution works for me. Thanks a lot.But the problem is when press the tab or enter to that textbox It Occurs the PostBack to the enteir page please help me.

Jayasankar Ramachandran 7-Oct-14 9:07am

needs to put ajax settings for textbox.