How to enable/disable the textboxes with autopostback.

I have 5 textboxes.
<asp:TextBox id="t1" runat="server" Text=""/>
<asp:TextBox id="t2" runat="server" Text="" Enabled="false"/>
<asp:TextBox id="t3" runat="server" Text="" Enabled="false"/>
<asp:TextBox id="t4" runat="server" Text="" Enabled="false"/>
<asp:TextBox id="t5" runat="server" Text="" Enabled="false"/>

I want to enable t2 if t1 is entered.
Similarly t3 should be enabled if t2 is entered.
and so on.

with Autopostback=true
searchsanjaysharmaAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Ivo StoykovCommented:
If you need to change the state when TB is entered, you need client side script. Autopostback does nothing with this.
Add this
protected void Page_Load(object sender, EventArgs e)
    {
      t1.Attributes.Add("onfocus", "test('" + t2.ClientID + "')");
    }

Open in new window

and somewhere in the HTML - this
<script>
      function test(id) {
        document.getElementById(id).disabled = true;
      }
    </script>

Open in new window


Hope you'll get the idea.

HTH

Ivo Stoykov
0
searchsanjaysharmaAuthor Commented:
can  u implement in the given .aspx
0
Ivo StoykovCommented:
I think you could do it yourself but anyway here it is

HTH

Ivo Stoykov

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
<script type="text/javascript" >
  function test(id) {
    document.getElementById(id).disabled = false;
  }
</script>
<script language="C#" runat="server">
  protected void Page_Load(object sender, EventArgs e)
    {
//I want to enable t2 if t1 is entered.
//Similarly t3 should be enabled if t2 is entered.
      t1.Attributes.Add("onfocus", "test('" + t2.ClientID + "')");
      t2.Attributes.Add("onfocus", "test('" + t3.ClientID + "')");
    }
</script>
<asp:TextBox id="t1" runat="server" Text=""/>
<asp:TextBox id="t2" runat="server" Text="" Enabled="false"/>
<asp:TextBox id="t3" runat="server" Text="" Enabled="false"/>
<asp:TextBox id="t4" runat="server" Text="" Enabled="false"/>
<asp:TextBox id="t5" runat="server" Text="" Enabled="false"/>    
    </div>
    </form>
</body>
</html>

Open in new window

0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
ProculopsisCommented:
This may be easier on the client instead.

$("input").change( function() {
    $(this).next("input").attr( {disabled: false} );
});

Open in new window

0
searchsanjaysharmaAuthor Commented:
ok
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
ASP.NET

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.