Implemented propertychanged pattern to connect UI with entity

AdventureWorks.EntityLayer/AdventureWorks.EntityLayer.csproj

@@ -6,4 +6,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\Common.Library\Common.Library.csproj" />
+  </ItemGroup>
+
 </Project>

AdventureWorks.EntityLayer/EntityClasses/User.cs

@@ -1,44 +1,204 @@
-namespace AdventureWorks.EntityLayer.EntityClasses
+using Common.Library;
+
+namespace AdventureWorks.EntityLayer.EntityClasses;
+
+public class User : EntityBase
 {
-    public class User
+    public User()
     {
-        public User()
-        {
-            LoginId = string.Empty;
-            FirstName = string.Empty;
-            LastName = string.Empty;
-            Email = string.Empty;
-            Password = string.Empty;
-            Phone = string.Empty;
-            PhoneType = string.Empty;
-            //IsFullTime = true;
-            //IsEnrolledIn401k = true;
-            //IsEnrolledInFlexTime = true;
-            //IsEnrolledInHealthCare = true;
-            //IsEnrolledInHSA = false;
-            //IsActive = true;
-            //BirthDate = "10-03-1975";
-            StartTime = new TimeSpan(6, 0, 0);
+        LoginId = string.Empty;
+        FirstName = string.Empty;
+        LastName = string.Empty;
+        Email = string.Empty;
+        Password = string.Empty;
+        Phone = string.Empty;
+        PhoneType = string.Empty;
+        //IsFullTime = true;
+        //IsEnrolledIn401k = true;
+        //IsEnrolledInFlexTime = true;
+        //IsEnrolledInHealthCare = true;
+        //IsEnrolledInHSA = false;
+        //IsActive = true;
+        //BirthDate = "10-03-1975";
+        StartTime = new TimeSpan(6, 0, 0);
 
 
-        }
-
-        public int UserId { get; set; }
-        public string LoginId { get; set; }
-        public string FirstName { get; set; }
-        public string LastName { get; set; }
-        public string Email { get; set; }
-        public string Password { get; set; }
-        public string Phone { get; set; }
-        public string PhoneType { get; set; }
-        public bool IsFullTime { get; set; }
-        public bool IsEnrolledIn401k { get; set; }
-        public bool IsEnrolledInFlexTime { get; set; }
-        public bool IsEnrolledInHealthCare { get; set; }
-        public bool IsEnrolledInHSA { get; set; }
-        public bool IsActive { get; set; }
-        public DateTime BirthDate { get; set; }
-        public TimeSpan StartTime { get; set; }
-
+    }
+    // https://github.com/PaulDSheriff/PDSC-DevUtils
+
+    public int _UserId;
+    public string _LoginId;
+    public string _FirstName;
+    public string _LastName;
+    public string _Email;
+    public string _Password;
+    public string _Phone;
+    public string _PhoneType;
+    public bool _IsFullTime;
+    public bool _IsEnrolledIn401k;
+    public bool _IsEnrolledInFlexTime;
+    public bool _IsEnrolledInHealthCare;
+    public bool _IsEnrolledInHSA;
+    public bool _IsActive;
+    public DateTime _BirthDate;
+    public TimeSpan _StartTime;
+
+    public int UserId
+    {
+        get { return _UserId; }
+        set
+        {
+            _UserId = value;
+            RaisePropertyChanged(nameof(UserId));
+        }
+    }
+
+    public string LoginId
+    {
+        get { return _LoginId; }
+        set
+        {
+            _LoginId = value;
+            RaisePropertyChanged(nameof(LoginId));
+        }
+    }
+
+    public string FirstName
+    {
+        get { return _FirstName; }
+        set
+        {
+            _FirstName = value;
+            RaisePropertyChanged(nameof(FirstName));
+        }
+    }
+
+    public string LastName
+    {
+        get { return _LastName; }
+        set
+        {
+            _LastName = value;
+            RaisePropertyChanged(nameof(LastName));
+        }
+    }
+
+    public string Email
+    {
+        get { return _Email; }
+        set
+        {
+            _Email = value;
+            RaisePropertyChanged(nameof(Email));
+        }
+    }
+    public string Password
+    {
+        get { return _Password; }
+        set
+        {
+            _Password = value;
+            RaisePropertyChanged(nameof(Password));
+        }
+    }
+    public string Phone
+    {
+        get { return _Phone; }
+        set
+        {
+            _Phone = value;
+            RaisePropertyChanged(nameof(Phone));
+        }
+    }
+    public string PhoneType
+    {
+        get { return _PhoneType; }
+        set
+        {
+            _PhoneType = value;
+            RaisePropertyChanged(nameof(PhoneType));
+        }
+    }
+    public bool IsFullTime
+    {
+        get { return _IsFullTime; }
+        set
+        {
+            _IsFullTime = value;
+            RaisePropertyChanged(nameof(IsFullTime));
+        }
+    }
+    public bool IsEnrolledIn401k
+    {
+        get { return _IsEnrolledIn401k; }
+        set
+        {
+            _IsEnrolledIn401k = value;
+            RaisePropertyChanged(nameof(IsEnrolledIn401k));
+        }
+    }
+    public bool IsEnrolledInFlexTime
+    {
+        get { return _IsEnrolledInFlexTime; }
+        set
+        {
+            _IsEnrolledInFlexTime = value;
+            RaisePropertyChanged(nameof(IsEnrolledInFlexTime));
+        }
+    }
+    public bool IsEnrolledInHealthCare
+    {
+        get { return _IsEnrolledInHealthCare; }
+        set
+        {
+            _IsEnrolledInHealthCare = value;
+            RaisePropertyChanged(nameof(IsEnrolledInHealthCare));
+        }
+    }
+    public bool IsEnrolledInHSA
+    {
+        get { return _IsEnrolledInHSA; }
+        set
+        {
+            _IsEnrolledInHSA = value;
+            RaisePropertyChanged(nameof(IsEnrolledInHSA));
+        }
+    }
+    public bool IsActive
+    {
+        get { return _IsActive; }
+        set
+        {
+            _IsActive = value;
+            RaisePropertyChanged(nameof(IsActive));
+        }
+    }
+    public DateTime BirthDate
+    {
+        get { return _BirthDate; }
+        set
+        {
+            _BirthDate = value;
+            RaisePropertyChanged(nameof(BirthDate));
+        }
+    }
+    public TimeSpan StartTime
+    {
+        get { return _StartTime; }
+        set
+        {
+            _StartTime = value;
+            RaisePropertyChanged(nameof(StartTime));
+        }
+    }
+
+    public string FullName
+    {
+        get { return $"{FirstName} {LastName}"; }
+    }
+
+    public string LastNameFirstName
+    {
+        get { return $"{LastName}, {FirstName}"; }
     }
 }

AdventureWorks.MAUI.sln

@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventureWorks.MAUI", "Adve
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventureWorks.EntityLayer", "AdventureWorks.EntityLayer\AdventureWorks.EntityLayer.csproj", "{33E62110-0EA1-48B1-B62F-CA856D13B114}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Common.Library", "Common.Library\Common.Library.csproj", "{FEDB6441-2564-4DD5-A3C9-1B2F0A761BB4}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -22,6 +24,10 @@ Global
 		{33E62110-0EA1-48B1-B62F-CA856D13B114}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{33E62110-0EA1-48B1-B62F-CA856D13B114}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{33E62110-0EA1-48B1-B62F-CA856D13B114}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FEDB6441-2564-4DD5-A3C9-1B2F0A761BB4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FEDB6441-2564-4DD5-A3C9-1B2F0A761BB4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FEDB6441-2564-4DD5-A3C9-1B2F0A761BB4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FEDB6441-2564-4DD5-A3C9-1B2F0A761BB4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

AdventureWorks.MAUI/AdventureWorks.MAUI.csproj

@@ -66,6 +66,7 @@
 
 	<ItemGroup>
 	  <ProjectReference Include="..\AdventureWorks.EntityLayer\AdventureWorks.EntityLayer.csproj" />
+	  <ProjectReference Include="..\Common.Library\Common.Library.csproj" />
 	</ItemGroup>
 
 	<ItemGroup>

AdventureWorks.MAUI/Views/UserDetailView.xaml.cs

@@ -8,10 +8,20 @@ public partial class UserDetailView : ContentPage
     {
         InitializeComponent();
         UserObject = (User)this.Resources["viewModel"];
+        UserObject.LoginId = "jkzxck0q94375";
     }
 
     public User UserObject { get; set; }
 
+    protected override void OnAppearing()
+    {
+        base.OnAppearing();
+
+        UserObject.LoginId = "PeterPiper384";
+        UserObject.FirstName = "Peter";
+        UserObject.LastName = "Piper";
+        UserObject.Email = "peter@piper.com";
+    }
     private void SaveButton_Clicked(object sender, EventArgs e)
     {
         System.Diagnostics.Debugger.Break();

Common.Library/BaseClasses/CommonBase.cs

@@ -0,0 +1,30 @@
+using System.ComponentModel;
+
+namespace Common.Library;
+
+public abstract class CommonBase : INotifyPropertyChanged
+{
+    #region Constructor
+    protected CommonBase()
+    {
+        Init();
+    }
+    #endregion
+
+    #region Init Method
+    public virtual void Init()
+    {
+
+    }
+    #endregion
+
+
+    #region RaisePropertyChanged Method
+    public event PropertyChangedEventHandler? PropertyChanged;
+    public virtual void RaisePropertyChanged(string propertyName)
+    {
+        this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+    #endregion
+
+}

Common.Library/BaseClasses/EntityBase.cs

@@ -0,0 +1,7 @@
+
+namespace Common.Library
+{
+    public class EntityBase : CommonBase
+    {
+    }
+}

Common.Library/Common.Library.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>