📄 formdepartment.frm
字号:
VERSION 5.00
Object = "{00028C01-0000-0000-0000-000000000046}#1.0#0"; "DBGRID32.OCX"
Begin VB.Form frmDepartment
BorderStyle = 1 'Fixed Single
Caption = "院系设置"
ClientHeight = 7170
ClientLeft = 45
ClientTop = 330
ClientWidth = 8220
LinkTopic = "Form1"
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 7170
ScaleWidth = 8220
StartUpPosition = 1 '所有者中心
Begin VB.CommandButton cmdCancel
Cancel = -1 'True
Caption = "放弃(&C)"
Height = 375
Left = 6840
TabIndex = 10
Top = 1080
Width = 1215
End
Begin VB.CommandButton cmdModify
Caption = "修改(&M)"
Height = 375
Left = 6840
TabIndex = 8
Top = 120
Width = 1215
End
Begin VB.CommandButton cmdSave
Caption = "保存(&S)"
Height = 375
Left = 6840
TabIndex = 9
Top = 600
Width = 1215
End
Begin MSDBGrid.DBGrid dbgDepart
Bindings = "FormDepartment.frx":0000
Height = 2895
Left = 120
OleObjectBlob = "FormDepartment.frx":0019
TabIndex = 11
Top = 4200
Width = 7935
End
Begin VB.CommandButton cmdQuit
Caption = "退出(&Q)"
Height = 375
Left = 5520
TabIndex = 7
Top = 1080
Width = 1215
End
Begin VB.CommandButton cmdAdd
Caption = "添加(&A)"
Height = 375
Left = 5520
TabIndex = 5
Top = 120
Width = 1215
End
Begin VB.TextBox txtDesc
DataField = "Description"
DataSource = "dataDepart"
Height = 1695
Left = 120
MultiLine = -1 'True
TabIndex = 4
Top = 2400
Width = 7935
End
Begin VB.Data dataDepart
Caption = "院系设置"
Connect = "Access"
DatabaseName = "E:\Book Edit\VisualBasic数据库编程教程\ch12\Student.mdb"
DefaultCursorType= 0 '缺省游标
DefaultType = 2 '使用 ODBC
Exclusive = 0 'False
Height = 435
Left = 5520
Options = 0
ReadOnly = 0 'False
RecordsetType = 0 'Table
RecordSource = "Department"
Top = 1560
Width = 2535
End
Begin VB.CommandButton cmdDelete
Caption = "删除(&D)"
Height = 375
Left = 5520
TabIndex = 6
Top = 600
Width = 1215
End
Begin VB.Data dataValid
Caption = "验证"
Connect = "Access"
DatabaseName = "E:\Book Edit\VisualBasic数据库编程教程\ch12\Student.mdb"
DefaultCursorType= 0 '缺省游标
DefaultType = 2 '使用 ODBC
Exclusive = 0 'False
Height = 405
Left = 5520
Options = 0
ReadOnly = 0 'False
RecordsetType = 1 'Dynaset
RecordSource = "Class"
Top = 2040
Visible = 0 'False
Width = 2535
End
Begin VB.TextBox txtTelephone
DataField = "Telephone"
DataSource = "dataDepart"
Height = 270
Left = 2400
MaxLength = 13
TabIndex = 3
Top = 1680
Width = 2895
End
Begin VB.TextBox txtDepartHead
DataField = "DepartHead"
DataSource = "dataDepart"
Height = 270
Left = 2400
MaxLength = 8
TabIndex = 2
Top = 1160
Width = 2895
End
Begin VB.TextBox txtDepartName
DataField = "DepartName"
DataSource = "dataDepart"
Height = 270
Left = 2400
MaxLength = 20
TabIndex = 1
Top = 640
Width = 2895
End
Begin VB.TextBox txtDepartID
DataField = "DepartID"
DataSource = "dataDepart"
Height = 270
Left = 2400
MaxLength = 2
TabIndex = 0
Top = 120
Width = 2895
End
Begin VB.Label Label5
Caption = "说明"
Height = 255
Left = 120
TabIndex = 16
Top = 2040
Width = 615
End
Begin VB.Label Label4
Alignment = 1 'Right Justify
Caption = "电话号码"
Height = 255
Left = 1200
TabIndex = 15
Top = 1680
Width = 975
End
Begin VB.Label Label3
Alignment = 1 'Right Justify
Caption = "负责人姓名"
Height = 255
Left = 1200
TabIndex = 14
Top = 1155
Width = 975
End
Begin VB.Label Label2
Alignment = 1 'Right Justify
Caption = "院系名称"
Height = 255
Left = 1200
TabIndex = 13
Top = 645
Width = 975
End
Begin VB.Label Label1
Alignment = 1 'Right Justify
Caption = "院系编号"
Height = 255
Left = 1200
TabIndex = 12
Top = 120
Width = 975
End
End
Attribute VB_Name = "frmDepartment"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim BookMK
Dim InEditMode As Boolean
Private Sub cmdAdd_Click()
If dataDepart.Recordset.RecordCount > 0 Then
BookMK = dataDepart.Recordset.Bookmark
Else
BookMK = Null
End If
dataDepart.Recordset.AddNew
InEditMode = True
ToggleEditMode
End Sub
Private Sub cmdCancel_Click()
dataDepart.UpdateControls
InEditMode = False
ToggleEditMode
If Len(BookMK) > 0 Then
dataDepart.Recordset.Bookmark = BookMK
ElseIf dataDepart.Recordset.RecordCount > 0 Then
dataDepart.Recordset.MoveFirst
End If
End Sub
Private Sub cmdDelete_Click()
Dim Msg$, strSQL$
If dataDepart.Recordset.EOF Then Exit Sub
strSQL = "SELECT * FROM Class WHERE DepartID='" & dataDepart.Recordset("DepartID") & "'"
dataValid.RecordSource = strSQL
dataValid.Refresh
If Not dataValid.Recordset.EOF Then
Msg = "班级["
While Not dataValid.Recordset.EOF
Msg = Msg & dataValid.Recordset("ClassName") & ","
dataValid.Recordset.MoveNext
Wend
Msg = Msg & "] 属于该院（系），所以不能删除该院系！"
MsgBox Msg
Exit Sub
End If
Msg = MsgBox("确定要删除记录吗？", vbYesNo)
If Msg = vbYes Then
dataDepart.Recordset.Delete
dataDepart.Recordset.MoveNext
If dataDepart.Recordset.EOF And (dataDepart.Recordset.RecordCount > 0) Then
dataDepart.Recordset.MoveLast
End If
End If
End Sub
Private Sub cmdModify_Click()
If dataDepart.Recordset.EOF Then Exit Sub
BookMK = dataDepart.Recordset.Bookmark
dataDepart.Recordset.Edit
InEditMode = True
ToggleEditMode
txtDepartID.Locked = True
End Sub
Private Sub cmdQuit_Click()
Unload Me
End Sub
Private Sub cmdSave_Click()
Dim strSQL$
txtDepartID.Text = Replace(Trim(txtDepartID.Text), "'", "")
txtDepartName.Text = Replace(Trim(txtDepartName.Text), "'", "")
txtDepartHead.Text = Replace(Trim(txtDepartHead.Text), "'", "")
txtTelephone.Text = Replace(Trim(txtTelephone.Text), "'", "")
txtDesc.Text = Replace(Trim(txtDesc.Text), "'", "")
If txtDepartID.Text = "" Then
MsgBox "院系编号不能为空！", , "输入错误"
txtDepartID.SetFocus
Exit Sub
ElseIf txtDepartName.Text = "" Then
MsgBox "院系名称不能为空！", , "输入错误"
txtDepartName.SetFocus
Exit Sub
ElseIf txtDepartHead.Text = "" Then
MsgBox "院系负责人不能为空！", , "输入错误"
txtDepartHead.SetFocus
Exit Sub
ElseIf txtTelephone.Text = "" Then
MsgBox "联系电话不能为空！", , "输入错误"
txtTelephone.SetFocus
Exit Sub
End If
If Not txtDepartID.Locked Then
strSQL = "SELECT * FROM Department WHERE DepartID='" & txtDepartID.Text & "'"
dataValid.RecordSource = strSQL
dataValid.Refresh
If Not dataValid.Recordset.EOF Then
Msg = "院系编号[" & txtDepartID.Text & "]已经存在，不能重复。"
MsgBox Msg
txtDepartID.SetFocus
Exit Sub
End If
End If
dataDepart.UpdateRecord
InEditMode = False
ToggleEditMode
If Len(BookMK) > 0 Then
dataDepart.Recordset.Bookmark = BookMK
ElseIf dataDepart.Recordset.RecordCount > 0 Then
dataDepart.Recordset.MoveFirst
End If
End Sub
Private Sub Form_Load()
dataDepart.DatabaseName = App.Path & "\Student.mdb"
dataValid.DatabaseName = App.Path & "\Student.mdb"
dataValid.Visible = False
InEditMode = False
ToggleEditMode
End Sub
Private Sub Form_Unload(Cancel As Integer)
If InEditMode Then
dataDepart.UpdateControls
InEditMode = False
ToggleEditMode
End If
End Sub
Private Sub ToggleEditMode()
txtDepartID.Locked = Not InEditMode
txtDepartName.Locked = Not InEditMode
txtDepartHead.Locked = Not InEditMode
txtTelephone.Locked = Not InEditMode
txtDesc.Locked = Not InEditMode
cmdAdd.Enabled = Not InEditMode
cmdDelete.Enabled = Not InEditMode
cmdQuit.Enabled = Not InEditMode
cmdModify.Enabled = Not InEditMode
dbgDepart.Enabled = Not InEditMode
dataDepart.Enabled = Not InEditMode
cmdSave.Enabled = InEditMode
cmdCancel.Enabled = InEditMode
End Sub
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