Review the code below and tell me what is wrong:

unit Main;

interface

uses
  Vcl.Forms, System.Classes, Vcl.Controls, Vcl.StdCtrls, Vcl.ComCtrls, Rtti,
  ORM_utils, SysUtils, Dialogs, formgerenc_Classes, DM1,
  Vcl.WinXPickers, interposer_class;


type
  TMainForm = class(TForm)
    EditUserName: TEdit;
    EditPassword: TEdit;
    LabelUserName: TLabel;
    ButtonRegister: TButton;
    ButtonUpdateORM: TButton; // Button to update ORM property programmatically
    DatePickerProjectStart: TDatePicker;
    procedure ButtonRegisterClick(Sender: TObject);
    procedure ButtonUpdateORMClick(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure EditExitHandler(Sender: TObject); // Shared OnExit event handler
    procedure FormShow(Sender: TObject);
  private
    FQueryRec1: TEmployeeProject;
    FQueryRec2: TEmployeeProject;
    procedure SetupComponents;
    procedure UpdateUIFromORM(const PropertyName: string);
  public
    function RetrieveComponent(ORMRec: TQryRecInfo; FieldName: string): TComponent;
    procedure SetORMProperty(ORMRec: TQryRecInfo; const FieldName: string; const Value: TValue);
  end;

var
  MainForm: TMainForm;

implementation

{$R *.dfm}

uses
  Data.DB, Uni;

{ TMainForm }

procedure TMainForm.ButtonRegisterClick(Sender: TObject);
begin
  // Unregister the EditPassword component from ORM binding
  UnregisterORMComponent(EditPassword);

  // Automatically register components where the Hint matches a field in FQueryRec2
  RegisterComponentsByHint(FQueryRec2);

  // Retrieve and display the component bound to 'EmployeeName'
  var MyComp := RetrieveComponent(FQueryRec2, 'EmployeeName');
  if Assigned(MyComp) then
    ShowMessage('Component bound to EmployeeName: ' + MyComp.Name)
  else
    ShowMessage('Component EmployeeName not found.');

  // Retrieve and display the component bound to 'EmployeeID'
  MyComp := RetrieveComponent(FQueryRec2, 'EmployeeID');
  if Assigned(MyComp) then
    ShowMessage('Component bound to EmployeeID: ' + MyComp.Name)
  else
    ShowMessage('Component EmployeeID not found.');
end;

procedure TMainForm.ButtonUpdateORMClick(Sender: TObject);
begin
  // Programmatically update the EmployeeName property in FQueryRec1
  FQueryRec1.EmployeeName := 'Programmatic Name Change';

  ShowMessage('ORM Property EmployeeName has been updated programmatically.');
end;

procedure TMainForm.EditExitHandler(Sender: TObject);
var
  Edit: TEdit;
  ORMRec: TQryRecInfo;
  FieldName: string;
  NewValue: TValue;
begin
  // Ensure the sender is a TEdit component
  if not (Sender is TEdit) then
    Exit;

  Edit := TEdit(Sender);

  // Retrieve ORMRec and FieldName using TComponentHelper properties
  ORMRec := Edit.ORMRec;
  FieldName := Edit.ORMRecField;

  if not Assigned(ORMRec) or (FieldName = '') then
    Exit;

  // Get the new value from the TEdit component
  NewValue := TValue.From<string>(Edit.Text);

  // Update the ORMRec's property using RTTI
  try
    SetORMProperty(ORMRec, FieldName, NewValue);
    ShowMessage(Format('%s ORM property updated to: %s', [FieldName, NewValue.AsString]));
  except
    on E: Exception do
      ShowMessage('Error updating ORM property: ' + E.Message);
  end;
end;

procedure TMainForm.FormDestroy(Sender: TObject);
begin
  // Clean up ORM records
  FQueryRec1.Free;
  FQueryRec2.Free;
end;

procedure TMainForm.FormShow(Sender: TObject);
begin
  // Initialize the ORM record instances
  FQueryRec1 := TEmployeeProject.Create;
  FQueryRec2 := TEmployeeProject.Create;

  // Setup components with ORM properties and register them
  SetupComponents;

  // Connect to the local database
  DM.ConnectLocal;

  // Fetch data into ORM records using DM.LocalServer
  FQueryRec1.Fetch(DM.LocalServer, 'SELECT employeename,employeeid,departmentid,projectid,projectname,projectbudget,projectdate,projectstartmoment,projectbudget * 2 as budgetlimit, age, older FROM orm_employee WHERE employeeid=12');
  FQueryRec2.Fetch(DM.LocalServer, 'SELECT employeename,employeeid,departmentid,projectid,projectname,projectbudget,projectdate,projectstartmoment,projectbudget * 2 as budgetlimit, age, older FROM orm_employee WHERE employeeid=13');

  // Initialize UI components with ORM record data
  UpdateAllComponents;

  // Assign the shared OnExit event handler to all TEdit components
  // Iterate through all components on the form and assign if they are TEdit
  for var i := 0 to Self.ComponentCount - 1 do
    if Self.Components[i] is TEdit then
      TEdit(Self.Components[i]).OnExit := EditExitHandler;
end;

procedure TMainForm.SetupComponents;
begin
  // Register EditUserName with FQueryRec1 and FieldName 'EmployeeName'
  RegisterORMComponent(EditUserName, FQueryRec1, 'EmployeeName'); // Maps to TEdit.Text

  // Register EditPassword with FQueryRec2 and FieldName 'ProjectName'
  RegisterORMComponent(EditPassword, FQueryRec2, 'ProjectName'); // Maps to TEdit.Text

  // Register LabelUserName with FQueryRec1 and FieldName 'BudgetLimit'
  RegisterORMComponent(LabelUserName, FQueryRec1, 'BudgetLimit'); // Maps to TLabel.Caption

  // Register DatePickerProjectStart with FQueryRec2 and FieldName 'ProjectStartMoment'
  RegisterORMComponent(DatePickerProjectStart, FQueryRec2, 'ProjectStartMoment'); // Maps to TDatePicker.Date
end;

function TMainForm.RetrieveComponent(ORMRec: TQryRecInfo; FieldName: string): TComponent;
begin
  // Find and return the component based on ORMRec and FieldName
  Result := FindComponentByORMRec(ORMRec, FieldName);
end;

procedure TMainForm.SetORMProperty(ORMRec: TQryRecInfo; const FieldName: string; const Value: TValue);
var
  Prop: TRttiProperty;
  Ctx: TRttiContext;
  ConvertedValue: TValue;
begin
  Ctx := TRttiContext.Create;
  try
    Prop := Ctx.GetType(ORMRec.ClassType).GetProperty(FieldName);
    if Assigned(Prop) and Prop.IsWritable then
    begin
      // Handle type conversions based on the property type
      case Prop.PropertyType.TypeKind of
        tkString, tkLString, tkWString, tkUString:
          ConvertedValue := TValue.From<string>(Value.AsString);
        tkInteger:
          ConvertedValue := TValue.From<Integer>(StrToIntDef(Value.AsString, 0));
        tkInt64:
          ConvertedValue := TValue.From<Int64>(StrToInt64Def(Value.AsString, 0));
        tkFloat:
          if Prop.PropertyType.Handle = TypeInfo(Currency) then
            ConvertedValue := TValue.From<Currency>(StrToCurrDef(Value.AsString, 0))
          else if Prop.PropertyType.Handle = TypeInfo(TDateTime) then
            ConvertedValue := TValue.From<TDateTime>(StrToDateDef(Value.AsString, 0))
          else
            ConvertedValue := Value;
        tkEnumeration:
          if Prop.PropertyType.Handle = TypeInfo(Boolean) then
            ConvertedValue := TValue.From<Boolean>(UpperCase(Value.AsString) = 'S') // Assuming 'S' for True
          else
            ConvertedValue := Value;
        // Add more type conversions as needed...
        else
          ConvertedValue := Value;
      end;

      // Set the property value
      Prop.SetValue(ORMRec, ConvertedValue);
    end
    else
      raise EORMUtilsException.CreateFmt('Property "%s" not found or not writable in ORMRec.', [FieldName]);
  finally
    // TRttiContext is a record and managed automatically
  end;
end;

procedure TMainForm.UpdateUIFromORM(const PropertyName: string);
begin
  // This method can be used to perform additional UI updates when ORM properties change
  // For demonstration, we'll show a message
  if PropertyName = 'EmployeeName' then
    ShowMessage('EmployeeName property updated. EditUserName now shows: ' + EditUserName.Text);
end;

end.