FindCandidate.xaml

<Window x:Class="UI.FindCandidate"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:UI"
        mc:Ignorable="d"
        Title="FindCandidate" Height="450" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="1*"></RowDefinition>
            <RowDefinition Height="1*"></RowDefinition>
            <RowDefinition Height="5*"></RowDefinition>
            <RowDefinition Height="1*"></RowDefinition>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="1*"></ColumnDefinition>
            <ColumnDefinition Width="3*"></ColumnDefinition>
            <ColumnDefinition Width="1*"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <WrapPanel Grid.Row="1" Grid.Column="1">
            <TextBlock Margin="13">Choose candidate:</TextBlock>
            <ComboBox SelectionChanged="FilterByselectedInterviewer" ItemsSource="{Binding ListOfCandidate}"  Name="ComboboxChooseCandidate" Margin="13" SelectedItem="FilterByselected" Width="200">
                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <StackPanel Orientation="Horizontal">
                            <TextBlock Text="{Binding FirstName}" Margin="0,0,5,0" />
                            <TextBlock Text="{Binding LastName}" Margin="0,0,5,0" />
                        </StackPanel>
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
        </WrapPanel>
        <DataGrid Name="DataGridInterviews"  Grid.Row="2" Grid.Column="1"/>
    </Grid>
</Window>