כמה שאלות ב WPF .

Question

התוכנית שלי לא עובדת, התוכנית מתקמפלת אבל הוא נותן לי את השגיאה הבאה :  גם אני מצרף קוד .

<Window x:Class="WPF_tar_3_300639093.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525" Background="{StaticResource {x:Static SystemColors.MenuBarBrushKey}}">
    <Window.Resources>
        <LinearGradientBrush x:Key="AmiGrad">
            <GradientStop Color="Chartreuse" Offset=".4"/>
            <GradientStop Color="HotPink" Offset=".6"/>
            <GradientStop Color="SpringGreen" Offset=" 1 "/>
        </LinearGradientBrush>
        
        <Style x:Name="AmiTy" TargetType="TextBox">
            <Setter Property="FontSize" Value="18"/>
            <Setter Property="FontWeight" Value="Bold"/>
            <Setter Property="FontStretch" Value="UltraCondensed" />
            <Setter Property="Background" Value="Plum" />
        </Style>

        <Style x:Name="aasdf" BasedOn="AmiStyle" TargetType="Button">
            <Setter Property="FontWeight" Value="Bold"/>
        </Style>
        
        <Style x:Name="AmiStyle"  TargetType="Control" >
            <Setter Property="Background" Value="{StaticResource AmiGrad}"/>
        </Style>
    </Window.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="233*" />
            <RowDefinition Height="78*" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="129*" />
            <ColumnDefinition Width="187*" />
            <ColumnDefinition Width="187*" />
        </Grid.ColumnDefinitions>
        <Label Content="שם" Grid.Column="2" Height="28" HorizontalAlignment="Left" Margin="29,58,0,0" Name="label1" VerticalAlignment="Top" Width="78" />
        <Label Content="שם משפחה" Grid.Column="2" Height="22" HorizontalAlignment="Left" Margin="29,109,0,0" Name="label2" VerticalAlignment="Top" Width="73" />
        <Label Content="גיל" Grid.Column="2" Height="25" HorizontalAlignment="Left" Margin="23,143,0,0" Name="label3" VerticalAlignment="Top" Width="97" />
        <Label Content="עיר" Grid.Column="2" Height="22" HorizontalAlignment="Left" Margin="22,189,0,0" Name="label4" VerticalAlignment="Top" Width="94" />
        <TextBox Grid.Column="1" Height="35" HorizontalAlignment="Left" Margin="52,51,0,0" Name="textBox1" VerticalAlignment="Top" Width="109" />
        <TextBox Grid.Column="1" Height="38" HorizontalAlignment="Left" Margin="53,93,0,0" Name="textBox2" VerticalAlignment="Top" Width="108" />
        <ComboBox Grid.Column="1" Height="31" HorizontalAlignment="Left" Margin="114,145,0,0" Name="comboBox1" VerticalAlignment="Top" Width="52" IsReadOnly="True">
            <ComboBoxItem Content="0-10" />
            <ComboBoxItem Content="11-20" />
            <ComboBoxItem Content="21-30" />
            <ComboBoxItem Content="30-50" />
            <ComboBoxItem Content="50-100" />
        </ComboBox>
        <ComboBox Height="31" HorizontalAlignment="Left" Margin="42,189,0,0" Name="comboBox2" VerticalAlignment="Top" Width="124" Grid.Column="1" IsReadOnly="True">
            <ComboBoxItem Content="ירושלים" />
            <ComboBoxItem Content="בית-שמש" />
            <ComboBoxItem Content="תל-אביב" />
            <ComboBoxItem Content="אילית" />
        </ComboBox>
        <Button Content="שלח" Height="32" HorizontalAlignment="Left" Margin="22,18,0,0" Name="button1" VerticalAlignment="Top" Width="93" Grid.Row="1" Click="button1_Click" Background="{Binding}" />
    </Grid>
</Window>