Javascript and Code-behind Problem

Question

0.00/5 (No votes)

See more:

I am Clearing all asp.net textboxes using Javascript

JavaScript

function ClearText() {
    var elements = document.getElementsByTagName("input");
    for (var i = 0; i < elements.length; i++) {
        if (elements[i].type == "text") {
            elements[i].value = "";
        }
    }
}

its shows me empty textboxes
but when page Post backed to the server using submit button click
values are still same not get cleared

same for button when i tring to change button text .value="Update"
it get change but on code behind button text was Previous one

Posted 16-Jan-13 20:01pm

Member-515487

Add a Solution

Comments

Rai Pawan 17-Jan-13 2:22am

are your textboxes disabled, if so then even if you change their properties on client side, they will remain same when you access them on your code behind after a post back.
- pawan

Member-515487 17-Jan-13 3:08am

dey aren't disable

Suvabrata Roy 17-Jan-13 3:57am

please provide the textbox html

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Sanjeev Alamuri · Answer 1 · 2013-01-16T23:10:00

XML

<div>
        <input type="text" value="txtName" id="txtName" runat="server" />
        <asp:Button Text="Click" ID="btnClick" runat="server"
            OnClientClick="javascript:return ClearText();" onclick="btnClick_Click" />
    </div>

C#

function ClearText() {
            var elements = document.getElementsByTagName("input");
            for (var i = 0; i < elements.length; i++) {
                if (elements[i].type == "text") {
                    elements[i].value = "";
                }
            }
            return true;
        }

use this code, and the values are cleared in the above scenario.