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Concatenate text with Currently selected item in WPF Combo box without affecting data binding


Concatenate text with Currently selected item in WPF Combo box without affecting data binding

By : Karl Kanal
Date : November 14 2020, 04:48 PM
Any of those help You can use a DataTempalte to achive this by using a data trigger on the IsSelected property of the combobox item:
code :
  <ComboBox>
        <ComboBox.ItemTemplate>
            <DataTemplate >
                <StackPanel Orientation="Horizontal">
                    <TextBlock Text="Default: " Name="txtSelected" Visibility="Collapsed"/>
                    <TextBlock Text="{Binding}"/>
                </StackPanel>
                <DataTemplate.Triggers>
                    <DataTrigger Binding="{Binding IsSelected, RelativeSource={RelativeSource AncestorType=ComboBoxItem}}" Value="True">
                        <Setter TargetName="txtSelected" Property="Visibility" Value="Visible"/>
                    </DataTrigger>
                </DataTemplate.Triggers>
            </DataTemplate>
        </ComboBox.ItemTemplate>
    </ComboBox>


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How to enable wpf controls through data binding on a selected item from a combo box

How to enable wpf controls through data binding on a selected item from a combo box


By : user3302929
Date : March 29 2020, 07:55 AM
With these it helps Yes. You want to bind to IsEnabled in the target control which you want to dynamically enable or disable, and use a Value Converter to convert a matching string or item from the ComboBox to a true value for being enabled.
get selected item text when it's changed in a drop down combo box

get selected item text when it's changed in a drop down combo box


By : Bambootscha
Date : March 29 2020, 07:55 AM
Hope that helps Instead of calling GetWindowText use the message CB_GETLBTEXT after ascertaining the current selection (e.g. using CB_GETCURSEL).
WPF Combo Box Data Binding Selected Item

WPF Combo Box Data Binding Selected Item


By : oops I know
Date : March 29 2020, 07:55 AM
seems to work fine Add a binding to ComboBox.SelectedItem which is bound to a new string property on your ViewModel
code :
<ComboBox ITemsSource="{Binding Hours}" SelectedItem="{Binding SelectedItem}" />

class ViewModel
{
    public string SelectedItem {get; set;}
}
populating text boxes from selected item in combo box

populating text boxes from selected item in combo box


By : Farhan ishaq ch
Date : March 29 2020, 07:55 AM
With these it helps There isn't a lot of meaningful information to go on, but it seems like the problem is just variable scoping. Essentially, you're doing this:
code :
private void btnReadMethod_Click(object sender, System.EventArgs e)
{
    var xmlData = SomeFunctionToGetData();
}

private void cmbMethodNumber_SelectedIndexChanged(object sender, EventArgs e)
{
    var someValue = xmlData.SomeValue;
}
private TheTypeOfTheObject xmlData;

private void btnReadMethod_Click(object sender, System.EventArgs e)
{
    xmlData = SomeFunctionToGetData();
}

private void cmbMethodNumber_SelectedIndexChanged(object sender, EventArgs e)
{
    var someValue = xmlData.SomeValue;
}
Knockout.js textarea binding not updating after subscribe (item selected in combo box)

Knockout.js textarea binding not updating after subscribe (item selected in combo box)


By : Matrix
Date : March 29 2020, 07:55 AM
it fixes the issue You're not setting the value of the observable correctly. Change this:
code :
self.Moo = data.Moo;
self.Name = data.Name;
self.Moo(data.Moo);
self.Name(data.Name);
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