📄 tutor4.frm
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VERSION 5.00
Object = "{FAEEE763-117E-101B-8933-08002B2F4F5A}#1.1#0"; "dblist32.ocx"
Object = "{00028C01-0000-0000-0000-000000000046}#1.0#0"; "DBGRID32.OCX"
Begin VB.Form Form1
Caption = "Form1: DBGrid - Tutorial 4"
ClientHeight = 5325
ClientLeft = 1845
ClientTop = 2265
ClientWidth = 6240
LinkTopic = "Form1"
PaletteMode = 1 'UseZOrder
ScaleHeight = 5325
ScaleWidth = 6240
Begin VB.TextBox Text3
DataField = "Company"
DataSource = "Data1"
Height = 390
Left = 2100
TabIndex = 9
Text = "Text3"
Top = 4800
Width = 2715
End
Begin VB.TextBox Text2
DataField = "LastName"
DataSource = "Data1"
Height = 390
Left = 2100
TabIndex = 8
Text = "Text2"
Top = 3975
Width = 2715
End
Begin VB.TextBox Text1
DataField = "FirstName"
DataSource = "Data1"
Height = 390
Left = 2100
TabIndex = 7
Text = "Text1"
Top = 3150
Width = 2715
End
Begin VB.Data Data1
Caption = "Data1"
Connect = "Access"
DatabaseName = ".\dbgtutor\TDBGDEMO.MDB"
DefaultCursorType= 0 'DefaultCursor
DefaultType = 2 'UseODBC
Exclusive = 0 'False
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 315
Left = 75
Options = 0
ReadOnly = 0 'False
RecordsetType = 1 'Dynaset
RecordSource = "Customer"
Top = 75
Width = 4740
End
Begin VB.CommandButton Command1
Caption = "Update"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 465
Left = 4950
TabIndex = 6
Top = 525
Width = 1215
End
Begin VB.CommandButton Command2
Caption = "Delete"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 465
Left = 4950
TabIndex = 5
Top = 1125
Width = 1215
End
Begin VB.CommandButton Command3
Caption = "Add New"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 465
Left = 4950
TabIndex = 4
Top = 1725
Width = 1215
End
Begin VB.CommandButton Command4
Caption = "First"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 465
Left = 4950
TabIndex = 3
Top = 2925
Width = 1215
End
Begin VB.CommandButton Command5
Caption = "Next"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 465
Left = 4950
TabIndex = 2
Top = 3525
Width = 1215
End
Begin VB.CommandButton Command6
Caption = "Previous"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 465
Left = 4950
TabIndex = 1
Top = 4125
Width = 1215
End
Begin VB.CommandButton Command7
Caption = "Last"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 465
Left = 4950
TabIndex = 0
Top = 4725
Width = 1215
End
Begin MSDBGrid.DBGrid DBGrid1
Bindings = "TUTOR4.frx":0000
Height = 2190
Left = 75
OleObjectBlob = "TUTOR4.frx":0010
TabIndex = 15
Top = 525
Width = 4740
End
Begin MSDBCtls.DBList DBList1
Bindings = "TUTOR4.frx":09C2
DataField = "LastName"
DataSource = "Data1"
Height = 2010
Left = 75
TabIndex = 10
Top = 3150
Width = 1890
_ExtentX = 3334
_ExtentY = 3545
_Version = 327680
BackColor = -2147483643
ForeColor = -2147483640
ListField = "LastName"
BoundColumn = "LastName"
End
Begin VB.Label Label4
Caption = "Company:"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 2100
TabIndex = 14
Top = 4500
Width = 2040
End
Begin VB.Label Label3
Caption = "Last Name:"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 2100
TabIndex = 13
Top = 3675
Width = 2040
End
Begin VB.Label Label2
Caption = "First Name:"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 2100
TabIndex = 12
Top = 2850
Width = 2040
End
Begin VB.Label Label1
Caption = "Last Name List:"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 75
TabIndex = 11
Top = 2850
Width = 1815
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private Sub Command1_Click()
' True DBGrid will automatically respond to the
' update and will clear the "modified indicator"
' (the pencil icon) on the record selector column
' to indicate that the modified data has been written
' to the database.
Data1.Recordset.Edit
Data1.Recordset.Update
DBGrid1.SetFocus
End Sub
Private Sub Command2_Click()
' When the current record is deleted, Jet Engine leaves
' the record pointer at the deleted record. Use MoveNext
' to move the current record to the row after the deleted
' record.
Data1.Recordset.Delete
Data1.Recordset.MoveNext
' If the last record was deleted, move to the previous
' record (which is now the last record).
If Data1.Recordset.EOF = True Then
Data1.Recordset.MovePrevious
End If
DBGrid1.SetFocus
End Sub
Private Sub Command3_Click()
' This "Add New" button moves the cursor to the
' "new (blank) row" at the end so that user can start
' adding data to the new record.
' Move to the last record so that the grid's AddNew row
' becomes visible.
Data1.Recordset.MoveLast
' Move the cursor to the AddNew row.
DBGrid1.Row = DBGrid1.Row + 1
DBGrid1.SetFocus
End Sub
Private Sub Command4_Click()
' True DBGrid will follow the record movement.
Data1.Recordset.MoveFirst
DBGrid1.SetFocus
End Sub
Private Sub Command5_Click()
' True DBGrid will follow the record movement.
Data1.Recordset.MoveNext
' Keep the current record away from EOF, which is not a
' valid position.
If Data1.Recordset.EOF = True Then
Data1.Recordset.MovePrevious
End If
DBGrid1.SetFocus
End Sub
Private Sub Command6_Click()
' True DBGrid will follow the record movement.
Data1.Recordset.MovePrevious
' Keep the current record away from BOF, which is not a
' valid position.
If Data1.Recordset.BOF = True Then
Data1.Recordset.MoveNext
End If
DBGrid1.SetFocus
End Sub
Private Sub Command7_Click()
' True DBGrid will follow the record movement.
Data1.Recordset.MoveLast
DBGrid1.SetFocus
End Sub
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