DC_Initlizer/AwInitilizer/SigninDialog.xaml

<Window x:Class="AwInitilizer.SigninDialog"
        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:AwInitilizer"
        mc:Ignorable="d"
        Title="Signin" Height="300" Width="400"
        WindowStyle="None"
        ResizeMode="NoResize"
        WindowStartupLocation="CenterOwner"
        Topmost="True">
    <Border BorderBrush="Gray" BorderThickness="2">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="30"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>

            <Grid Grid.Row="0" Background="Gray">
                <Label x:Name="uxTitle" Content="Message" Foreground="White"/>
            </Grid>

            <Grid Grid.Row="1">
                <StackPanel Orientation="Vertical" VerticalAlignment="Center" >
                    <StackPanel Orientation="Vertical" VerticalAlignment="Center" >
                        <Label Foreground="Black" Content="Enter ID" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                        <Rectangle Height="10"/>
                        <TextBox x:Name="uxIdBox" Margin="10" Height="20" TextAlignment="Center"/>
                    </StackPanel>
                    <StackPanel Orientation="Vertical" VerticalAlignment="Center" >
                        <Label Foreground="Black" Content="Enter WorkOrder" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                        <Rectangle Height="10"/>
                        <TextBox x:Name="uxWorkOrderBox" Margin="10" Height="20" TextAlignment="Center"/>
                    </StackPanel>

                    <Label x:Name="uxErrmsg" Content="error" Foreground="Red" Visibility="Hidden" HorizontalAlignment="Center"/>
                    <Rectangle Height="10"/>
                    <Grid x:Name="uxCancelContainer" Grid.Row="2" Height="30">
                        <Button  HorizontalAlignment="Center" VerticalAlignment="Center" Height="30" Width="100" Click="OK_Pressed">
                            <Label x:Name="uxBtnText" Content="OK"/>
                        </Button>
                    </Grid>
                </StackPanel>
            </Grid>
        </Grid>
    </Border>
</Window>