Login.Xaml

LoginPage.xaml

<?xml version="1.0" encoding="utf-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:local="clr-namespace:mainn"
             xmlns:accordion="clr-namespace:Syncfusion.XForms.Accordion;assembly=Syncfusion.Expander.XForms"
			x:Class="mainn.MainPage"
             xmlns:vm="clr-namespace:mainn.ViewModels">
     <ContentPage.Resources>
         <ResourceDictionary>
             <vm:MainViewModel x:Key="vm"/>
         </ResourceDictionary>
        </ContentPage.Resources>

    
    <Grid Padding="20" VerticalOptions="CenterAndExpand">
      <Grid.RowDefinitions>
         <RowDefinition Height="40" />
         <RowDefinition Height="40" />
         <RowDefinition Height="40" />
         <RowDefinition Height="40" />
       </Grid.RowDefinitions>
        
      <Grid.ColumnDefinitions>
        <ColumnDefinition Width="5*" />
        <ColumnDefinition Width="5*" />
      </Grid.ColumnDefinitions>

     <Entry Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2" Placeholder="UserName" />
     <Entry Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2" Placeholder="Password"  />
     <Entry Grid.Row="2" Grid.Column="0" Placeholder="NickName"  />
     <Entry Grid.Row="2" Grid.Column="1" Placeholder="Phone"  />
     <Button Grid.Row="3" Grid.Column="0" Grid.ColumnSpan="2"   Text="Register" TextColor="White" BackgroundColor="Black"/>
    </Grid>


</ContentPage>