ListView'da AddPanelObject(lbl, clCaption) yazdığında, dataset'te MAIN_TEXT alanını arar. AddPanelObject(lbl, clText) ise SUB_TEXT alanını arar. Sen JSON'da clText ve clCaption yazmışsın ama olması gereken MAIN_TEXT ve SUB_TEXT.

bir diğeri de bağlantıdan sonra selectQuery.First eksikti

var

  ListForm : TclForm;

  MainPnl : TclProPanel;

  btnTest : TClProButton;

  

  // ListView yerine garantili render panelleri

  MainVertScroll : TclVertScrollBox;

  ListContainerPnl : TclProPanel;

  selectQuery : TclSqlQuery;

void ConnectToDatabase;

{

  try

    if (Clomosy.DBSQLServerConnection == nil)

    {

      Clomosy.DBSQLServerConnect('SQL Server', '192.168.5.227\ACARPLUS', 'AcarPlus', '1234', 'Odeme_App', 1433);

    }

    selectQuery.Connection = Clomosy.DBSQLServerConnection;

  except

    ShowMessage('Veritabanı bağlantısı kurulamadı: ' + LastExceptionMessage);

  }

}

void SelectAndRenderData;

var

  ItemIndex : Integer;

  CardPanel : TclProPanel;

  TextLayout : TclLayout;

  LblFullName, LblCompany : TclProLabel;

  CustName, CustComp, UniqueID : String;

{

  try

    selectQuery.Sql.Text = 

      'SELECT CAST(CustomerID AS VARCHAR(50)) AS CustID, ' +

      'ISNULL(CustomerFullName, '''') AS CustName, ' +

      'ISNULL(CustomerCompany, '''') AS CustCompany ' +

      'FROM Odeme_App.dbo.Customers WITH (NOLOCK) WHERE CustomerIsActive = 1';

    selectQuery.Open;

    

    if (not selectQuery.Eof)

    {

      if (ListContainerPnl <> nil) { ListContainerPnl.Visible = False; }

      UniqueID = IntToStr(Random(999999));

      ListContainerPnl = ListForm.AddNewProPanel(MainVertScroll, 'ListPnl_' + UniqueID);

      ListContainerPnl.Align = alTop;

      ListContainerPnl.clProSettings.IsTransparent = True;

      ListContainerPnl.SetclProSettings(ListContainerPnl.clProSettings);

      ItemIndex = 0;

      while (not selectQuery.Eof)

      {

        CustName = selectQuery.FieldByName('CustName').AsString;

        CustComp = selectQuery.FieldByName('CustCompany').AsString;

        // Her Müşteri İçin Kart Paneli

        CardPanel = ListForm.AddNewProPanel(ListContainerPnl, 'Card_' + UniqueID + '_' + IntToStr(ItemIndex));

        CardPanel.Align = alTop;

        CardPanel.Height = 65;

        CardPanel.Margins.Top = 8;

        CardPanel.Margins.Left = 8;

        CardPanel.Margins.Right = 8;

        CardPanel.clProSettings.BackgroundColor = clAlphaColor.clHexToColor('#FFFFFF');

        CardPanel.clProSettings.BorderColor = clAlphaColor.clHexToColor('#CBD5E1');

        CardPanel.clProSettings.BorderWidth = 1;

        CardPanel.clProSettings.IsRound = True;

        CardPanel.clProSettings.RoundHeight = 10;

        CardPanel.clProSettings.RoundWidth = 10;

        CardPanel.clProSettings.IsFill = True;

        CardPanel.SetclProSettings(CardPanel.clProSettings);

        // Metin Yerleşimi

        TextLayout = ListForm.AddNewLayout(CardPanel, 'TLay_' + UniqueID + '_' + IntToStr(ItemIndex));

        TextLayout.Align = alClient;

        TextLayout.Margins.Left = 12;

        TextLayout.Margins.Top = 8;

        TextLayout.Margins.Right = 12;

        // Müşteri Adı (Koyu Renk Bold)

        LblFullName = ListForm.AddNewProLabel(TextLayout, 'LblName_' + UniqueID + '_' + IntToStr(ItemIndex), CustName);

        LblFullName.Align = alTop;

        LblFullName.Height = 24;

        LblFullName.clProSettings.FontColor = clAlphaColor.clHexToColor('#0F172A');

        LblFullName.clProSettings.FontSize = 12;

        LblFullName.clProSettings.TextSettings.Font.Style = [fsBold];

        LblFullName.SetclProSettings(LblFullName.clProSettings);

        // Şirket Adı

        LblCompany = ListForm.AddNewProLabel(TextLayout, 'LblComp_' + UniqueID + '_' + IntToStr(ItemIndex), 'Şirket: ' + CustComp);

        LblCompany.Align = alTop;

        LblCompany.Height = 20;

        LblCompany.clProSettings.FontColor = clAlphaColor.clHexToColor('#475569');

        LblCompany.clProSettings.FontSize = 10;

        LblCompany.SetclProSettings(LblCompany.clProSettings);

        ItemIndex = ItemIndex + 1;

        selectQuery.Next;

      }

      ListContainerPnl.Height = (ItemIndex * 75) + 20;

    }

    else

    {

      ShowMessage('Kayıtlı aktif müşteri bulunamadı.');

    }

  except

    ShowMessage('Hata Oluştu: ' + LastExceptionMessage);

  }

}

{

  ListForm = TclForm.Create(Self);

  ListForm.SetFormColor('#F8FAFC', '', clGNone);

  selectQuery = TclSqlQuery.Create(nil);

  MainPnl = ListForm.AddNewProPanel(ListForm, 'MainPnl');

  MainPnl.Align = alClient;

  MainPnl.clProSettings.BackgroundColor = clAlphaColor.clHexToColor('#F8FAFC');

  MainPnl.clProSettings.IsFill = True;

  MainPnl.SetclProSettings(MainPnl.clProSettings);

  // Üst Buton

  btnTest = ListForm.AddNewProButton(MainPnl, 'btnTest', 'MÜŞTERİ LİSTESİ');

  btnTest.Align = alTop;

  btnTest.Height = 42;

  btnTest.Margins.Left = 12;

  btnTest.Margins.Right = 12;

  btnTest.Margins.Top = 10;

  btnTest.Margins.Bottom = 6;

  btnTest.clProSettings.BackgroundColor = clAlphaColor.clHexToColor('#2563EB');

  btnTest.clProSettings.FontColor = clAlphaColor.clHexToColor('#FFFFFF');

  btnTest.clProSettings.IsRound = True;

  btnTest.clProSettings.RoundHeight = 8;

  btnTest.clProSettings.RoundWidth = 8;

  btnTest.clProSettings.TextSettings.Font.Style = [fsBold];

  btnTest.clProSettings.FontSize = 12;

  btnTest.clProSettings.IsFill = True;

  btnTest.SetclProSettings(btnTest.clProSettings);

  // Dikey Scroll Alanı

  MainVertScroll = ListForm.AddNewVertScrollBox(MainPnl, 'MainVertScroll');

  MainVertScroll.Align = alClient;

  MainVertScroll.Margins.Left = 10;

  MainVertScroll.Margins.Right = 10;

  MainVertScroll.Margins.Bottom = 10;

  ListContainerPnl = nil;

  ConnectToDatabase;

  SelectAndRenderData;

  ListForm.Run;

}

var

  ListForm : TclForm;

  MainPnl : TclProPanel;

  listviewShow : TclProListView;

  DesignerPanel1 : TClProListViewDesignerPanel;

  lblFullName, lblCompany : TClProLabel;

  selectQuery : TclSqlQuery;

  CustomerViewer : TclUnit;

  btnTest : TClProButton;

  

void CreateListView;

{

  btnTest = ListForm.AddNewButton(MainPnl,'btnTest', 'test buton');

  listviewShow = ListForm.AddNewProListView(MainPnl, 'listviewShow');

  listviewShow.Align = alClient;

  listviewShow.Margins.Left = 20;

  listviewShow.Margins.Right = 20;

  listviewShow.Margins.Top = 20;

  listviewShow.Margins.Bottom = 20;

  listviewShow.Width = 340;

  listviewShow.Height = 400;

  listviewShow.clProSettings.ColCount = 1;

  listviewShow.clProSettings.ItemHeight = 60;

  listviewShow.clProSettings.ViewType = lvList;

  listviewShow.SetclProSettings(listviewShow.clProSettings);

  listviewShow.Visible = True;

}

void CreateDesignerPanel;

{

  DesignerPanel1 = ListForm.AddNewProListViewDesignerPanel(listviewShow, 'DesignerPanel1');

  DesignerPanel1.Height = 60;

  DesignerPanel1.Width = 300;

  listviewShow.SetDesignerPanel(DesignerPanel1);

}

void CreateDesignerFields;

{

  lblFullName = ListForm.AddNewProLabel(DesignerPanel1, 'lblFullName', 'test');

  lblFullName.Align = alTop;

  lblFullName.Height = 25;

  DesignerPanel1.AddPanelObject(lblFullName, clText);

  lblCompany = ListForm.AddNewProLabel(DesignerPanel1, 'lblCompany', 'test');

  lblCompany.Align = alTop;

  lblCompany.Height = 25;

  DesignerPanel1.AddPanelObject(lblCompany, clCaption);

}

void ConnectToDatabase;

{

  try

    if (Clomosy.DBSQLServerConnection == nil)

    {

      Clomosy.DBSQLServerConnect('SQL Server', '192.168.5.227\ACARPLUS', 'AcarPlus', '1234', 'Odeme_App', 1433);

    }

    selectQuery.Connection = Clomosy.DBSQLServerConnection;

  except

    ShowMessage('Veritabanı bağlantısı kurulamadı ' + LastExceptionMessage);

  }

}

void selectToDatabase;

{

  try

    selectQuery.Sql.Text = 'SELECT CAST(CustomerID as FLOAT) as clRecord_GUID, CustomerFullName as clText, CustomerCompany as clCaption FROM Customers WHERE CustomerIsActive = 1';

    selectQuery.Open;

    

    if (not selectQuery.Eof)

    {

      listviewShow.clearList;

      listviewShow.clLoadProListViewDataFromDataset(selectQuery);

    }

    else

    {

      ShowMessage('Kayıtlı müşteri bulunamadı.');

    }

  except

    ShowMessage('Hata: ' + LastExceptionMessage);

  }

}

{

  ListForm = TclForm.Create(Self);

  ListForm.SetFormColor('#121214', '', clGNone);

  selectQuery = TclSqlQuery.Create(nil);

  MainPnl = ListForm.AddNewProPanel(ListForm, 'MainPnl');

  MainPnl.Align = alClient;

  MainPnl.Width = 380;

  MainPnl.Height = 650;

  MainPnl.clProSettings.BackgroundColor = clAlphaColor.clHexToColor('#1A1A1E');

  MainPnl.clProSettings.IsTransparent = False;

  MainPnl.SetclProSettings(MainPnl.clProSettings);

  CreateListView;

  CreateDesignerPanel;

  CreateDesignerFields;

  ConnectToDatabase;

  selectToDatabase;

  ListForm.Run;

}