!2 update src/c#/GeneralUpdate.PacketTool/MainPage.xaml.

Merge pull request !2 from tp1415926535/N/A

Author: JusterZhu

src/c#/GeneralUpdate.PacketTool/MainPage.xaml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="GeneralUpdate.PacketTool.MainPage" Title="GeneralUpdate.PacketTool">
@@ -61,7 +61,7 @@
             </StackLayout>
             <StackLayout Margin="0,0,115,0" Grid.Row="8" Orientation="Horizontal" HeightRequest="40" HorizontalOptions="Center">
                 <Label VerticalOptions="Center"  Text="client type :" />
-                <Picker WidthRequest="400" HeightRequest="32" Margin="9,0,3,0" ItemsSource="{Binding AppTypes}" SelectedItem="{Binding CurrnetAppType}" />
+                <Picker WidthRequest="400" HeightRequest="32" Margin="9,0,3,0" ItemsSource="{Binding AppTypes}" SelectedItem="{Binding CurrentAppType}" />
             </StackLayout>
             <StackLayout Margin="0,0,110,0" Grid.Row="9" Orientation="Horizontal"  HorizontalOptions="Center">
                 <Label VerticalOptions="Center"  Text="server url :" />