Disable text box when Check box is Unchecked during run time in C#

Question

I have a CheckBox and a TextBox. During the runtime,
if the CheckBox is Checked then the TextBox is enabled.

I did it using following code

private void checkTime_Checked(object sender, RoutedEventArgs e)
{
    if (checkTime.IsChecked == true)
    {
        txtTime_SR.IsEnabled = true;
    }
}

What I need to do is, to disable the TextBox when the CheckBox is Unchecked during runtime.

Any idea of doing this ?

score 11 · Accepted Answer · edited May 23 '17 at 12:32

Reading your post and comments, I'll guess you are doing WPF or silverlight. Then, in that case, you may do it all in XAML :

<CheckBox x:Name="checkTime" />
<TextBox x:Name="txtTime_SR" IsEnabled="{Binding IsChecked, ElementName=checkTime, Converter={StaticResource NotConverter}, Mode=OneWay}"/>

Then, you need to create the converter. This can be done by reading post here : How to bind inverse boolean properties in WPF?

Hope it helps

Dave New · Answer 2 · 2012-10-30T08:45:40.613

5

If I understand, you want the textbox to be enabled when the checkbox is checked, and for it to be disabled when the checkbox is unchecked?

private void checkTime_Checked(object sender, RoutedEventArgs e)
{
    txtTime_SR.Enabled = checkTime.Checked;
}

Are you using the standard .NET TextBox and CheckBox controls?

EDIT: Ok, so it is WPF. Do this:

private void checkTime_Checked(object sender, RoutedEventArgs e)
{
    txtTime_SR.IsEnabled = checkTime.IsChecked;
}

edited Oct 30 '12 at 08:45

answered Oct 30 '12 at 08:32

Dave New

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I'm not well experienced in .Net. For the text box there is no "Enabled" method. There is only "IsEnabled" method. :( – Zarco Oct 30 '12 at 08:40
Then try with `IsEnabled` and `IsChecked` - it should work if they aren't read-only properties. – Dave New Oct 30 '12 at 08:42

score 1 · Answer 3 · answered Feb 18 '15 at 21:35

Even simpler

<CheckBox Content="Include the following..." IsChecked="{Binding IncludeMyItems}" Name="checkBox_includeMyItems" />
<TextBox Name="myItems" Text="{Binding MyItems}" Height="23" Width="165" IsEnabled="{Binding IsChecked, ElementName=checkBox_includeMyItems}" />

score 0 · Answer 4 · answered Oct 30 '12 at 08:34

0

private void checkTime_Checked(object sender, RoutedEventArgs e)
{
 txtTime_SR.Enabled = checkTime.Checked;
}

OR

private void checkTime_Checked(object sender, RoutedEventArgs e)
{
    txtTime_SR.IsEnabled = checkTime.IsChecked;
}

answered Oct 30 '12 at 08:34

andy

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score 0 · Answer 5 · answered Oct 23 '13 at 12:13

I know this is an old post, however this should work. Use the Checked/Unchecked events.

   private void checkbox_otherflag_Unchecked(object sender, RoutedEventArgs e)
    {
        this.textbox_otherflagtext.IsEnabled = false;
    }

    private void checkbox_otherflag_Checked(object sender, RoutedEventArgs e)
    {
        this.textbox_otherflagtext.IsEnabled = true;
    }

Disable text box when Check box is Unchecked during run time in C#

5 Answers5

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