Clear serverside textbox values using javascript

Question

0.00/5 (No votes)

See more:

Hi,

I am using <asp:TextBox> which is having values of eg:100. When i click <asp:Button> on ClientClick i am clearing the <asp:TextBox> value.
But same <asp:Button> OnClick event <asp:TextBox> contains the same value. Its not cleared.

How to clear the <asp:TextBox> onClientClick(javascript> event. It should empty in OnClick event.

Please help me.

Regards,
Thillai.C

Posted 12-Nov-10 18:11pm

WinCrs

Add a Solution

4 solutions

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)

Ed Guzman · Answer 1 · 2010-11-13T05:54:00

XML

<form id="form1" runat="server" >
   <asp:TextBox ID="txt" runat="server"></asp:TextBox>
   <asp:Button ID="btn" runat="server" Text="click" OnClientClick="return Clear();" />
   </form>
   <script type="text/javascript">
       function Clear() {
           document.getElementById("<%=txt.ClientID %>").value = "";
           return true;
       }
   </script>

Ankur^\m/ · Answer 2 · 2010-11-12T19:07:00

You need to return "true" after you clear the TextBox value.

Just add this line at the end of your JavaScript function which you call onClientClick of the button.

JavaScript

return true;

Also, it's important to call the JavaScript function like this:

XML

<asp:Button ID="btnSubmit" runat="server" Text="Submit" Width="70px" OnClick="btnSubmit_Click" OnClientClick="return validateData();" />

Above call is in the form return JavaScriptFunction();.

JavaScript function:

JavaScript

function validateData()
{
    //clear textbox
    return true;
}

Hope this helps!

Mohd Wasif · Answer 3 · 2010-11-12T18:46:00

XML

<head runat="server">
    <title>Home</title>
    <script type="text/javascript" language="javascript">
    function test(){
    //alert("test");
    var htText=document.getElementById("TextBox1");
    var seText=document.getElementById("TextBox2");
    htText.value="";
    seText.value="";
    }
    </script>
</head>

XML

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <br />
        <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
        <br />
        <asp:Button ID="Button1" OnClientClick="test()" runat="server" Text="Button" />

Hiren solanki · Answer 4 · 2010-11-12T19:10:00

Solution 3

For you kind information,

Javascript only clears Client side controls, I mean if you are clearing textbox from client side though it's viewstate value is still stored at for server side use, So finally you will not get cleared text box at server side.
:)

Posted 12-Nov-10 19:10pm

Hiren solanki

v2

Comments

Ankur^\m/ 13-Nov-10 1:24am

It's possible Hiren. See my answer.

Clear serverside textbox values using javascript

4 solutions

Solution 4

Solution 2

Solution 1

Solution 3

Add your solution here

Preview 0