How Set the Row definition height dynamically of Wpf Grid

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Here in the below xaml code i am trying to set the height of my row dynamically.
I want to fill the myLabel1 in two rows .I had set the mylabel2 visibility property to collapsed.. How shall i make the mylabel1 occupy the mylabel2 row also when mylabel's visibility is collapsed.

and mylabel2 should be able to occupy both rows if mylabel1 visibility is collapsed
Please see the below code

XML

<Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="150"></ColumnDefinition>
            <ColumnDefinition Width="150"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="50"></RowDefinition>
            <RowDefinition Height="50"></RowDefinition>
        </Grid.RowDefinitions>
        <Label Background="Blue"  Content="mylabel" Grid.Column="0" Grid.Row="0" Grid.RowSpan="2"></Label>
        <Grid Grid.Row="0" Grid.Column="1">
            <Grid.RowDefinitions>
                <RowDefinition Height="*"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
            </Grid.RowDefinitions>
            <Label Background="Brown" Content="mylabel1" Grid.Column="0" Grid.Row="0"></Label>
            <Label Background="Brown" Content="mylabel2" Grid.Column="0" Grid.Row="1" Visibility="Collapsed"></Label>
        </Grid>
    </Grid>
</Window>

Posted 2-Jun-14 21:16pm

arun_pk

Updated 2-Jun-14 22:45pm

v3

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kumar9avinash 3-Jun-14 3:45am

hi you can also achive this using style trigger

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kumar9avinash · Answer 1 · 2014-06-02T21:35:00

Hi,may be you can try like this

Arun you can decalre a property and assign the height value to this property and then throgh code behind bind it to the height of label 1

C#

private string height;

        public string Height>
        {
            get { return height; }
            set { height = value; }
        }

if (label2.visibilty== coolapse)
{

Height= 150;
}

and in xaml
<Label Background="Brown" height={Binding Height} Content="mylabel1" Grid.Column="0" Grid.Row="0"></Label>