make a textbox visible after clicking checkbox

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How could you make a text box visible after checking a checkbox?

How do you improve the code below?

if(checkbox1.Checked)
{
textbox1.Visible = true;
}
else
{
textbox1.Visible= false;
}

Where do I put the code to make the textbox visible after checking the textbox?

Posted 30-Jun-11 23:40pm

wolfsor

Updated 1-Jul-11 0:04am

Toniyo Jackson

v4

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5 solutions

Solution 2

Set AutoPostback of checkbox true.
And write your code in OnCheckedChanged

Posted 30-Jun-11 23:49pm

Prerak Patel

Solution 4

C#

set CheckBox1's autopostback property true
protected void Page_Load(object sender, EventArgs e)
       {
           TextBox1.Visible = false;
           if (CheckBox1.Checked == true)
           {
               TextBox1.Visible = true;
           }
           else
           {
               TextBox1.Visible = false;
           }
       }

Posted 1-Jul-11 0:00am

Dwarika(RAJ)

Updated 1-Jul-11 0:05am

v2

Solution 1

C#

textbox.Visible = true;

Posted 30-Jun-11 23:44pm

#realJSOP

Comments

wolfsor 1-Jul-11 5:46am

Where do I put the code to make the textbox visible after checking the textbox?

#realJSOP 1-Jul-11 7:28am

In your original question, you asked *how* to set a textbox to be visible, not *where*. You do it in the Clicked or CheckChanged event handlers for the checkbox. Now, as to your vote of 2, I request that you change it to reflect that I did, in fact, answer your original question correctly.

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Valery Possoz · Accepted Answer · 2011-07-01T00:01:00

Solution 5

Hello,

Adding to the previous answers...

You could make it even shorter: :)

C#

protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
    TextBox1.Visible = CheckBox1.Checked;
}

Valery.

Posted 1-Jul-11 0:01am

Valery Possoz

UJimbo · Accepted Answer · 2011-06-30T23:51:00

Select your checkbox, click Events and double-click on the:

CheckStateChanged

This will create the event handler. Enter your code inside it. It should look like:

private void checkBox1_CheckStateChanged(object sender, EventArgs e)
{
   if(checkbox1.Checked)
   {
      textbox1.Visible = true;
   }
   else
   {
      textbox1.Visible= false;
   }
}