diff --git a/data/EmployeeUnit.dfm b/data/EmployeeUnit.dfm
index 346439a..5cd7488 100644
--- a/data/EmployeeUnit.dfm
+++ b/data/EmployeeUnit.dfm
@@ -1,17 +1,22 @@
 object dmData: TdmData
+  OnCreate = DataModuleCreate
+  OnDestroy = DataModuleDestroy
   Height = 352
   Width = 455
   object mdEmployee: TdxMemData
+    Active = True
     Indexes = <>
     Persistent.Data = {
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       0200040061676500040000000300070073616C61727900020000000500040073
       6578000A00000001000900706F736974696F6E001E0000000100080061646472
-      657373000106000000C0CCB0FCC0E70134000100E1F5050101000104000000B4
-      EBC7A50114000000BACEBBEA20C7D8BFEEB4EBB1B820B9DDBCDBB5BF}
+      657373000106000000C0CCB0FCC0E70134000180969800010100010100000035
+      0114000000BACEBBEA20C7D8BFEEB4EBB1B820B9DDBCDBB5BF0106000000C1D6
+      BCBAC8C601200001A08601000101000101000000330114000000BACEBBEA20C7
+      D8BFEEB4EBB1B820B9DDBFA9B5BF}
     SortOptions = []
-    Left = 288
-    Top = 160
+    Left = 264
+    Top = 176
     object mdEmployeename: TStringField
       FieldName = 'name'
       Size = 10
@@ -35,8 +40,442 @@ object dmData: TdmData
     end
   end
   object dsEmployee: TDataSource
+    AutoEdit = False
     DataSet = mdEmployee
-    Left = 192
-    Top = 152
+    OnStateChange = dsEmployeeStateChange
+    Left = 168
+    Top = 176
+  end
+  object liSmallIcons: TcxImageList
+    SourceDPI = 96
+    FormatVersion = 1
+    Left = 272
+    Top = 64
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+          322D342E326C322E382C322E384C31382E382C31364C32332E312C32302E327A
+          222F3E0D0A093C2F673E0D0A3C2F7376673E0D0A}
+        FileName = 'SVG Images\Icon Builder\Actions_DeleteCircled.svg'
+        Keywords = 'Icon Builder;Actions;DeleteCircled'
+      end
+      item
+        ImageClass = 'TdxSmartImage'
+        Image.Data = {
+          3C3F786D6C2076657273696F6E3D22312E302220656E636F64696E673D225554
+          462D38223F3E0D0A3C7376672076657273696F6E3D22312E31222069643D224C
+          617965725F312220786D6C6E733D22687474703A2F2F7777772E77332E6F7267
+          2F323030302F7376672220786D6C6E733A786C696E6B3D22687474703A2F2F77
+          77772E77332E6F72672F313939392F786C696E6B2220783D223070782220793D
+          22307078222076696577426F783D2230203020333220333222207374796C653D
+          22656E61626C652D6261636B67726F756E643A6E657720302030203332203332
+          3B2220786D6C3A73706163653D227072657365727665223E262331333B262331
+          303B3C7374796C6520747970653D22746578742F637373223E2E426C75657B66
+          696C6C3A233131373744373B7D3C2F7374796C653E0D0A3C7061746820636C61
+          73733D22426C75652220643D224D33322C323863302C302C302D382D31362D38
+          76364C302C31364C31362C3676364333322C31322C33322C32382C33322C3238
+          7A222F3E0D0A3C2F7376673E0D0A}
+        FileName = 'SVG Images\XAF\Action_Cancel.svg'
+        Keywords = 'XAF;Action;Cancel'
+      end>
+  end
+  object mdPosition: TdxMemData
+    Indexes = <>
+    Persistent.Data = {
+      5665728FC2F5285C8FFE3F020000000400000003000300696400140000000100
+      05004E616D650001010000000104000000C1D6C0D301020000000104000000B4
+      EBB8AE01030000000104000000B0FAC0E501040000000104000000BACEC0E501
+      050000000104000000C0CCBBE701060000000104000000BBE7C0E5}
+    SortOptions = []
+    Left = 344
+    Top = 136
+    object mdPositionid: TIntegerField
+      FieldName = 'id'
+    end
+    object mdPositionName: TStringField
+      FieldName = 'Name'
+    end
   end
 end
diff --git a/data/EmployeeUnit.pas b/data/EmployeeUnit.pas
index d41aee1..a452379 100644
--- a/data/EmployeeUnit.pas
+++ b/data/EmployeeUnit.pas
@@ -1,9 +1,10 @@
-unit EmployeeUnit;
+unit EmployeeUnit;
 
 interface
 
 uses
-  System.SysUtils, System.Classes, Data.DB, dxmdaset;
+  System.SysUtils, System.Classes, Data.DB, dxmdaset, System.ImageList,
+  Vcl.ImgList, Vcl.Controls, cxImageList, cxGraphics;
 
 type
   TdmData = class(TDataModule)
@@ -15,6 +16,13 @@ type
     mdEmployeeaddress: TStringField;
     mdEmployeeposition: TStringField;
     dsEmployee: TDataSource;
+    liSmallIcons: TcxImageList;
+    mdPosition: TdxMemData;
+    mdPositionName: TStringField;
+    mdPositionid: TIntegerField;
+    procedure DataModuleCreate(Sender: TObject);
+    procedure DataModuleDestroy(Sender: TObject);
+    procedure dsEmployeeStateChange(Sender: TObject);
   private
     { Private declarations }
   public
@@ -30,4 +38,35 @@ implementation
 
 {$R *.dfm}
 
+uses
+  Vcl.Dialogs,
+  MainUnit;
+
+var
+  Path: string;
+
+procedure TdmData.DataModuleCreate(Sender: TObject);
+begin
+  Path:= GetCurrentDir + '\data.db';
+//  'D:\Embarcadero\projects\스터디\2024.12.01.dataset_demo\bin\Win32\Debug\data.db'
+  if FileExists(Path) then
+    mdEmployee.LoadFromBinaryFile(Path);
+end;
+
+procedure TdmData.DataModuleDestroy(Sender: TObject);
+begin
+  mdEmployee.SaveToBinaryFile(Path);
+end;
+
+procedure TdmData.dsEmployeeStateChange(Sender: TObject);
+{ dsInactive, dsBrowse, dsEdit, dsInsert, dsSetKey,
+    dsCalcFields, dsFilter, dsNewValue, dsOldValue, dsCurValue, dsBlockRead,
+    dsInternalCalc, dsOpening }
+begin
+//  ShowMessage('데아타셋 상태값이 변경이 되었습니다');
+  frmMain.acSave.Enabled:= dsEmployee.State in [dsInsert, dsEdit];
+//  if (dsEmployee.State = dsInsert) or (dsEmployee.State = dsEdit) then
+//    frmMain.acSave.Enabled:= True
+end;
+
 end.
diff --git a/form/MainUnit.dfm b/form/MainUnit.dfm
index 0d99125..912ef86 100644
--- a/form/MainUnit.dfm
+++ b/form/MainUnit.dfm
@@ -18,83 +18,225 @@ object frmMain: TfrmMain
     Height = 601
     Align = alClient
     TabOrder = 0
+    LayoutLookAndFeel = dxLayoutSkinLookAndFeel1
     ExplicitLeft = 104
     ExplicitTop = 72
     ExplicitWidth = 300
     ExplicitHeight = 250
     object btnAdd: TcxButton
-      Left = 405
-      Top = 33
+      Left = 337
+      Top = 12
       Width = 75
       Height = 35
-      Caption = 'btnAdd'
+      Action = acAdd
       TabOrder = 0
     end
     object btnSave: TcxButton
-      Left = 487
-      Top = 33
+      Left = 501
+      Top = 12
       Width = 75
       Height = 35
-      Caption = 'btnSave'
-      TabOrder = 1
-    end
-    object btnDelete: TcxButton
-      Left = 569
-      Top = 33
-      Width = 75
-      Height = 35
-      Caption = 'btnDelete'
+      Action = acSave
       TabOrder = 2
     end
-    object btnCancel: TcxButton
-      Left = 651
-      Top = 33
+    object btnDelete: TcxButton
+      Left = 583
+      Top = 12
       Width = 75
       Height = 35
-      Caption = 'btnCancel'
+      Action = acDelete
       TabOrder = 3
     end
-    object grdEmployee: TcxGrid
-      Left = 26
-      Top = 152
-      Width = 700
-      Height = 200
+    object btnCancel: TcxButton
+      Left = 665
+      Top = 12
+      Width = 75
+      Height = 35
+      Action = acCancel
       TabOrder = 4
+    end
+    object grdEmployee: TcxGrid
+      Left = 12
+      Top = 205
+      Width = 728
+      Height = 384
+      TabOrder = 11
       object dbtvEmployee: TcxGridDBTableView
+        Navigator.Buttons.CustomButtons = <>
+        ScrollbarAnnotations.CustomAnnotations = <>
+        DataController.DataSource = dmData.dsEmployee
+        DataController.Summary.DefaultGroupSummaryItems = <>
+        DataController.Summary.FooterSummaryItems = <>
+        DataController.Summary.SummaryGroups = <>
+        OptionsData.CancelOnExit = False
+        OptionsData.Deleting = False
+        OptionsData.DeletingConfirmation = False
+        OptionsData.Editing = False
+        OptionsData.Inserting = False
+        OptionsSelection.CellSelect = False
+        OptionsView.ColumnAutoWidth = True
+        OptionsView.GroupByBox = False
+        OptionsView.HeaderHeight = 30
+        object dbtvEmployeeRecId: TcxGridDBColumn
+          DataBinding.FieldName = 'RecId'
+          Visible = False
+        end
+        object dbtvEmployeename: TcxGridDBColumn
+          Caption = #51060#47492
+          DataBinding.FieldName = 'name'
+          PropertiesClassName = 'TcxTextEditProperties'
+          Properties.Alignment.Horz = taCenter
+          HeaderAlignmentHorz = taCenter
+        end
+        object dbtvEmployeeage: TcxGridDBColumn
+          Caption = #45208#51060
+          DataBinding.FieldName = 'age'
+          PropertiesClassName = 'TcxTextEditProperties'
+          Properties.Alignment.Horz = taCenter
+          HeaderAlignmentHorz = taCenter
+        end
+        object dbtvEmployeesalary: TcxGridDBColumn
+          Caption = #44553#50668
+          DataBinding.FieldName = 'salary'
+          PropertiesClassName = 'TcxCurrencyEditProperties'
+          HeaderAlignmentHorz = taCenter
+        end
+        object dbtvEmployeesex: TcxGridDBColumn
+          Caption = #49457#48324
+          DataBinding.FieldName = 'sex'
+          HeaderAlignmentHorz = taCenter
+        end
+        object dbtvEmployeeposition: TcxGridDBColumn
+          Caption = #51649#50948
+          DataBinding.FieldName = 'position'
+          PropertiesClassName = 'TcxTextEditProperties'
+          Properties.Alignment.Horz = taCenter
+          HeaderAlignmentHorz = taCenter
+        end
+        object dbtvEmployeeaddress: TcxGridDBColumn
+          Caption = #51452#49548
+          DataBinding.FieldName = 'address'
+        end
+      end
+      object grdEmployeeDBTableView1: TcxGridDBTableView
         Navigator.Buttons.CustomButtons = <>
         ScrollbarAnnotations.CustomAnnotations = <>
         DataController.Summary.DefaultGroupSummaryItems = <>
         DataController.Summary.FooterSummaryItems = <>
         DataController.Summary.SummaryGroups = <>
-        OptionsView.GroupByBox = False
       end
       object grdEmployeeLevel1: TcxGridLevel
         GridView = dbtvEmployee
       end
     end
+    object btnEdit: TcxButton
+      Left = 419
+      Top = 12
+      Width = 75
+      Height = 35
+      Action = acEdit
+      TabOrder = 1
+    end
+    object dbteName: TcxDBTextEdit
+      Left = 55
+      Top = 93
+      AutoSize = False
+      DataBinding.DataField = 'name'
+      DataBinding.DataSource = dmData.dsEmployee
+      Style.HotTrack = False
+      Style.TransparentBorder = False
+      TabOrder = 5
+      Height = 25
+      Width = 318
+    end
+    object dbseAge: TcxDBSpinEdit
+      Left = 447
+      Top = 125
+      AutoSize = False
+      DataBinding.DataField = 'age'
+      DataBinding.DataSource = dmData.dsEmployee
+      Style.HotTrack = False
+      Style.TransparentBorder = False
+      TabOrder = 9
+      Height = 25
+      Width = 279
+    end
+    object dbseSalary: TcxDBSpinEdit
+      Left = 55
+      Top = 125
+      AutoSize = False
+      DataBinding.DataField = 'salary'
+      DataBinding.DataSource = dmData.dsEmployee
+      Properties.AssignedValues.EditFormat = True
+      Style.HotTrack = False
+      Style.TransparentBorder = False
+      TabOrder = 7
+      Height = 25
+      Width = 279
+    end
+    object cxDBCheckBox1: TcxDBCheckBox
+      Left = 341
+      Top = 125
+      AutoSize = False
+      Caption = #49457#48324
+      DataBinding.DataField = 'sex'
+      DataBinding.DataSource = dmData.dsEmployee
+      Properties.Alignment = taRightJustify
+      Style.HotTrack = False
+      Style.TransparentBorder = False
+      TabOrder = 8
+      Transparent = True
+      Height = 25
+      Width = 70
+    end
+    object dbtePosition: TcxDBTextEdit
+      Left = 409
+      Top = 93
+      AutoSize = False
+      DataBinding.DataField = 'position'
+      DataBinding.DataSource = dmData.dsEmployee
+      Style.HotTrack = False
+      Style.TransparentBorder = False
+      TabOrder = 6
+      Height = 25
+      Width = 317
+    end
+    object dbteAdress: TcxDBTextEdit
+      Left = 55
+      Top = 157
+      DataBinding.DataField = 'address'
+      DataBinding.DataSource = dmData.dsEmployee
+      Style.HotTrack = False
+      Style.TransparentBorder = False
+      TabOrder = 10
+      Width = 671
+    end
     object lgRoot: TdxLayoutGroup
       AlignHorz = ahParentManaged
       AlignVert = avParentManaged
       Hidden = True
-      ItemIndex = 2
+      ItemIndex = 1
       ShowBorder = False
       Index = -1
     end
     object lgToolbar: TdxLayoutGroup
       Parent = lgRoot
       CaptionOptions.Text = 'New Group'
-      ItemIndex = 3
+      ItemIndex = 1
       LayoutDirection = ldHorizontal
+      ShowBorder = False
       Index = 0
     end
     object lgInput: TdxLayoutGroup
       Parent = lgRoot
-      CaptionOptions.Text = 'New Group'
+      CaptionOptions.Text = ' '#51077#47141' '
       Index = 1
     end
     object lgGrid: TdxLayoutGroup
       Parent = lgRoot
+      AlignVert = avClient
       CaptionOptions.Text = 'New Group'
+      ShowBorder = False
       Index = 2
     end
     object liAdd: TdxLayoutItem
@@ -117,7 +259,8 @@ object frmMain: TfrmMain
       ControlOptions.OriginalHeight = 35
       ControlOptions.OriginalWidth = 75
       ControlOptions.ShowBorder = False
-      Index = 1
+      Enabled = False
+      Index = 2
     end
     object liDelete: TdxLayoutItem
       Parent = lgToolbar
@@ -128,7 +271,7 @@ object frmMain: TfrmMain
       ControlOptions.OriginalHeight = 35
       ControlOptions.OriginalWidth = 75
       ControlOptions.ShowBorder = False
-      Index = 2
+      Index = 3
     end
     object liCancel: TdxLayoutItem
       Parent = lgToolbar
@@ -139,10 +282,11 @@ object frmMain: TfrmMain
       ControlOptions.OriginalHeight = 35
       ControlOptions.OriginalWidth = 75
       ControlOptions.ShowBorder = False
-      Index = 3
+      Index = 4
     end
     object liGrid: TdxLayoutItem
       Parent = lgGrid
+      AlignVert = avClient
       CaptionOptions.Text = 'cxGrid2'
       CaptionOptions.Visible = False
       Control = grdEmployee
@@ -151,5 +295,144 @@ object frmMain: TfrmMain
       ControlOptions.ShowBorder = False
       Index = 0
     end
+    object liEdit: TdxLayoutItem
+      Parent = lgToolbar
+      AlignHorz = ahRight
+      AlignVert = avClient
+      CaptionOptions.Text = 'cxButton1'
+      CaptionOptions.Visible = False
+      Control = btnEdit
+      ControlOptions.OriginalHeight = 35
+      ControlOptions.OriginalWidth = 75
+      ControlOptions.ShowBorder = False
+      Index = 1
+    end
+    object liName: TdxLayoutItem
+      Parent = dxLayoutGroup1
+      AlignHorz = ahClient
+      CaptionOptions.Text = #51060#47492
+      Control = dbteName
+      ControlOptions.OriginalHeight = 25
+      ControlOptions.OriginalWidth = 121
+      ControlOptions.ShowBorder = False
+      Index = 0
+    end
+    object liAge: TdxLayoutItem
+      Parent = dxLayoutGroup3
+      AlignHorz = ahClient
+      CaptionOptions.Text = #45208#51060
+      Control = dbseAge
+      ControlOptions.OriginalHeight = 25
+      ControlOptions.OriginalWidth = 121
+      ControlOptions.ShowBorder = False
+      Index = 2
+    end
+    object liSalary: TdxLayoutItem
+      Parent = dxLayoutGroup3
+      AlignHorz = ahClient
+      CaptionOptions.Text = #44553#50668
+      Control = dbseSalary
+      ControlOptions.OriginalHeight = 25
+      ControlOptions.OriginalWidth = 121
+      ControlOptions.ShowBorder = False
+      Index = 0
+    end
+    object liSex: TdxLayoutItem
+      Parent = dxLayoutGroup3
+      AlignHorz = ahClient
+      CaptionOptions.Text = 'sex'
+      CaptionOptions.Visible = False
+      Control = cxDBCheckBox1
+      ControlOptions.OriginalHeight = 25
+      ControlOptions.OriginalWidth = 34
+      ControlOptions.ShowBorder = False
+      Index = 1
+    end
+    object liPosition: TdxLayoutItem
+      Parent = dxLayoutGroup1
+      AlignHorz = ahClient
+      CaptionOptions.Text = #51649#50948
+      Control = dbtePosition
+      ControlOptions.OriginalHeight = 25
+      ControlOptions.OriginalWidth = 121
+      ControlOptions.ShowBorder = False
+      Index = 1
+    end
+    object liAddress: TdxLayoutItem
+      Parent = dxLayoutGroup2
+      CaptionOptions.Text = #51452#49548
+      Control = dbteAdress
+      ControlOptions.OriginalHeight = 27
+      ControlOptions.OriginalWidth = 121
+      ControlOptions.ShowBorder = False
+      Index = 0
+    end
+    object dxLayoutGroup1: TdxLayoutGroup
+      Parent = lgInput
+      CaptionOptions.Text = 'New Group'
+      ItemIndex = 1
+      LayoutDirection = ldHorizontal
+      ShowBorder = False
+      Index = 0
+    end
+    object dxLayoutGroup2: TdxLayoutGroup
+      Parent = lgInput
+      CaptionOptions.Text = 'New Group'
+      ShowBorder = False
+      Index = 2
+    end
+    object dxLayoutGroup3: TdxLayoutGroup
+      Parent = lgInput
+      CaptionOptions.Text = 'New Group'
+      ItemIndex = 2
+      LayoutDirection = ldHorizontal
+      ShowBorder = False
+      Index = 1
+    end
+  end
+  object alToolbar: TActionList
+    Images = dmData.liSmallIcons
+    Left = 200
+    Top = 24
+    object acAdd: TAction
+      Caption = #52628#44032
+      ImageIndex = 0
+      OnExecute = acAddExecute
+    end
+    object acEdit: TAction
+      Caption = #49688#51221
+      ImageIndex = 1
+      OnExecute = acEditExecute
+    end
+    object acSave: TAction
+      Caption = #51200#51109
+      Enabled = False
+      ImageIndex = 2
+      OnExecute = acSaveExecute
+    end
+    object acDelete: TAction
+      Caption = #49325#51228
+      ImageIndex = 3
+      OnExecute = acDeleteExecute
+    end
+    object acCancel: TAction
+      Caption = #52712#49548
+      ImageIndex = 4
+      OnExecute = acCancelExecute
+    end
+  end
+  object scMain: TdxSkinController
+    NativeStyle = False
+    SkinName = 'WXI'
+    SkinPaletteName = 'Clearness'
+    Left = 16
+    Top = 8
+  end
+  object dxLayoutLookAndFeelList: TdxLayoutLookAndFeelList
+    Left = 40
+    Top = 8
+    object dxLayoutSkinLookAndFeel1: TdxLayoutSkinLookAndFeel
+      PixelsPerInch = 96
+    end
   end
 end
diff --git a/form/MainUnit.pas b/form/MainUnit.pas
index f7e51a0..ea4b6a2 100644
--- a/form/MainUnit.pas
+++ b/form/MainUnit.pas
@@ -1,16 +1,22 @@
-unit MainUnit;
+unit MainUnit;
 
 interface
 
 uses
+  { Delphi }
   Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
-  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, cxGraphics, dxUIAClasses, cxControls,
-  cxLookAndFeels, cxLookAndFeelPainters, dxSkinsCore, dxSkinWXI,
+  Vcl.Controls, Vcl.Forms, Vcl.Dialogs,
+
+  { DevExpress }
+  cxGraphics, dxUIAClasses, cxControls, dxCore, dxLayoutLookAndFeels,
+  dxSkinsForm, cxLookAndFeels, cxLookAndFeelPainters, dxSkinsCore, dxSkinWXI,
   dxLayoutControlAdapters, dxLayoutContainer, Vcl.Menus, cxStyles, cxCustomData,
   cxFilter, cxData, cxDataStorage, cxEdit, cxNavigator, dxDateRanges,
   dxScrollbarAnnotations, Data.DB, cxDBData, cxGridLevel, cxClasses,
   cxGridCustomView, cxGridCustomTableView, cxGridTableView, cxGridDBTableView,
-  cxGrid, Vcl.StdCtrls, cxButtons, dxLayoutControl;
+  cxGrid, Vcl.StdCtrls, cxButtons, dxLayoutControl, System.Actions, Vcl.ActnList,
+  dxLayoutcxEditAdapters, cxContainer, cxCheckBox, cxDBEdit, cxMaskEdit,
+  cxSpinEdit, cxTextEdit, cxCurrencyEdit;
 
 type
   TfrmMain = class(TForm)
@@ -31,6 +37,45 @@ type
     grdEmployeeLevel1: TcxGridLevel;
     grdEmployee: TcxGrid;
     liGrid: TdxLayoutItem;
+    btnEdit: TcxButton;
+    liEdit: TdxLayoutItem;
+    alToolbar: TActionList;
+    acAdd: TAction;
+    acEdit: TAction;
+    acSave: TAction;
+    acDelete: TAction;
+    acCancel: TAction;
+    dbtvEmployeeRecId: TcxGridDBColumn;
+    dbtvEmployeename: TcxGridDBColumn;
+    dbtvEmployeeage: TcxGridDBColumn;
+    dbtvEmployeesalary: TcxGridDBColumn;
+    dbtvEmployeesex: TcxGridDBColumn;
+    dbtvEmployeeposition: TcxGridDBColumn;
+    dbtvEmployeeaddress: TcxGridDBColumn;
+    dbteName: TcxDBTextEdit;
+    liName: TdxLayoutItem;
+    dbseAge: TcxDBSpinEdit;
+    liAge: TdxLayoutItem;
+    dbseSalary: TcxDBSpinEdit;
+    liSalary: TdxLayoutItem;
+    cxDBCheckBox1: TcxDBCheckBox;
+    liSex: TdxLayoutItem;
+    dbtePosition: TcxDBTextEdit;
+    liPosition: TdxLayoutItem;
+    dbteAdress: TcxDBTextEdit;
+    liAddress: TdxLayoutItem;
+    dxLayoutGroup1: TdxLayoutGroup;
+    dxLayoutGroup2: TdxLayoutGroup;
+    dxLayoutGroup3: TdxLayoutGroup;
+    scMain: TdxSkinController;
+    dxLayoutLookAndFeelList: TdxLayoutLookAndFeelList;
+    dxLayoutSkinLookAndFeel1: TdxLayoutSkinLookAndFeel;
+    grdEmployeeDBTableView1: TcxGridDBTableView;
+    procedure acAddExecute(Sender: TObject);
+    procedure acEditExecute(Sender: TObject);
+    procedure acSaveExecute(Sender: TObject);
+    procedure acDeleteExecute(Sender: TObject);
+    procedure acCancelExecute(Sender: TObject);
   private
     { Private declarations }
   public
@@ -44,4 +89,33 @@ implementation
 
 {$R *.dfm}
 
+uses
+  EmployeeUnit;
+
+procedure TfrmMain.acAddExecute(Sender: TObject);
+begin
+  dmData.mdEmployee.Append;
+  dbteName.SetFocus;
+end;
+
+procedure TfrmMain.acCancelExecute(Sender: TObject);
+begin
+  dmData.mdEmployee.Cancel;
+end;
+
+procedure TfrmMain.acDeleteExecute(Sender: TObject);
+begin
+  dmData.mdEmployee.Delete;
+end;
+
+procedure TfrmMain.acEditExecute(Sender: TObject);
+begin
+  dmData.mdEmployee.Edit;
+end;
+
+procedure TfrmMain.acSaveExecute(Sender: TObject);
+begin
+  dmData.mdEmployee.Post;
+end;
+
 end.
diff --git a/form/__history/MainUnit.dfm.~1~ b/form/__history/MainUnit.dfm.~1~
deleted file mode 100644
index e4406c3..0000000
--- a/form/__history/MainUnit.dfm.~1~
+++ /dev/null
@@ -1,14 +0,0 @@
-object Form1: TForm1
-  Left = 0
-  Top = 0
-  Caption = 'Form1'
-  ClientHeight = 441
-  ClientWidth = 624
-  Color = clBtnFace
-  Font.Charset = DEFAULT_CHARSET
-  Font.Color = clWindowText
-  Font.Height = -12
-  Font.Name = 'Segoe UI'
-  Font.Style = []
-  TextHeight = 15
-end
diff --git a/데이타셋데모.dpr b/데이타셋데모.dpr
index 20fcbae..550f99e 100644
--- a/데이타셋데모.dpr
+++ b/데이타셋데모.dpr
@@ -1,4 +1,4 @@
-program ����Ÿ�µ���;
+program 데이타셋데모;
 
 uses
   Vcl.Forms,
diff --git a/데이타셋데모.identcache b/데이타셋데모.identcache
index d50e6e4..92236ab 100644
Binary files a/데이타셋데모.identcache and b/데이타셋데모.identcache differ
diff --git a/데이타셋데모.res b/데이타셋데모.res
new file mode 100644
index 0000000..c1bc3fb
Binary files /dev/null and b/데이타셋데모.res differ