📄 classmodi.frm
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VERSION 5.00
Object = "{CE671F01-259E-40DA-92FE-95803E2ECBB5}#1.0#0"; "SmartXPButton.ocx"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form classmodi
BackColor = &H00E7DFE7&
Caption = "班级修改"
ClientHeight = 5130
ClientLeft = 60
ClientTop = 450
ClientWidth = 8370
Icon = "classmodi.frx":0000
LinkTopic = "Form1"
ScaleHeight = 5130
ScaleWidth = 8370
StartUpPosition = 2 '屏幕中心
Begin VB.TextBox Text3
Height = 375
Left = 1320
TabIndex = 2
Top = 2520
Width = 1455
End
Begin VB.TextBox Text2
Height = 375
Left = 1320
TabIndex = 1
Top = 1680
Width = 1695
End
Begin VB.TextBox Text1
Height = 375
Left = 1320
TabIndex = 0
Top = 960
Width = 1215
End
Begin MSDataGridLib.DataGrid DataGrid1
Height = 2610
Left = 3360
TabIndex = 3
Top = 840
Width = 4575
_ExtentX = 8070
_ExtentY = 4604
_Version = 393216
AllowUpdate = 0 'False
BackColor = 16777215
ForeColor = -2147483642
HeadLines = 1
RowHeight = 18
BeginProperty HeadFont {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ColumnCount = 2
BeginProperty Column00
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
BeginProperty Column01
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
SplitCount = 1
BeginProperty Split0
BeginProperty Column00
EndProperty
BeginProperty Column01
EndProperty
EndProperty
End
Begin SmartXPButton.XpButton XpButton6
Height = 495
Left = 480
TabIndex = 5
Top = 3360
Width = 1215
_ExtentX = 2143
_ExtentY = 873
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Caption = "修改"
PictureSmoothBackColor= 15460844
ButtonPicture = "classmodi.frx":0A02
End
Begin SmartXPButton.XpButton XpButton5
Height = 495
Left = 480
TabIndex = 6
Top = 4200
Width = 1215
_ExtentX = 2143
_ExtentY = 873
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Caption = "关闭"
PictureSmoothBackColor= 15460844
ButtonPicture = "classmodi.frx":1414
End
Begin SmartXPButton.XpButton XpButton4
Height = 495
Left = 6600
TabIndex = 7
Top = 4200
Width = 1335
_ExtentX = 2355
_ExtentY = 873
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Caption = "最后一条"
PictureSmoothBackColor= 15460844
ButtonPicture = "classmodi.frx":1E26
End
Begin SmartXPButton.XpButton XpButton3
Height = 495
Left = 5040
TabIndex = 8
Top = 4200
Width = 1215
_ExtentX = 2143
_ExtentY = 873
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Caption = "下一条"
PictureSmoothBackColor= 15460844
ButtonPicture = "classmodi.frx":2838
End
Begin SmartXPButton.XpButton XpButton2
Height = 495
Left = 3480
TabIndex = 9
Top = 4200
Width = 1215
_ExtentX = 2143
_ExtentY = 873
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Caption = "上一条"
PictureSmoothBackColor= 15460844
ButtonPicture = "classmodi.frx":324A
End
Begin SmartXPButton.XpButton XpButton1
Height = 495
Left = 1920
TabIndex = 10
Top = 4200
Width = 1215
_ExtentX = 2143
_ExtentY = 873
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋体"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Caption = "第一条"
PictureSmoothBackColor= 15460844
ButtonPicture = "classmodi.frx":3C5C
End
Begin VB.Label Label4
BackStyle = 0 'Transparent
Caption = "班长学号:"
Height = 495
Left = 360
TabIndex = 14
Top = 2640
Width = 1215
End
Begin VB.Label Label3
BackStyle = 0 'Transparent
Caption = "班级名称"
Height = 495
Left = 360
TabIndex = 13
Top = 1800
Width = 855
End
Begin VB.Label Label2
BackStyle = 0 'Transparent
Caption = "班级编号:"
Height = 495
Left = 360
TabIndex = 12
Top = 1080
Width = 855
End
Begin VB.Label Label9
BackStyle = 0 'Transparent
Caption = "Label9"
Height = 375
Left = 3360
TabIndex = 11
Top = 3600
Width = 4935
End
Begin VB.Label label1
BackStyle = 0 'Transparent
Caption = "班级信息修改"
BeginProperty Font
Name = "隶书"
Size = 21.75
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H80000002&
Height = 495
Left = 2760
TabIndex = 4
Top = 0
Width = 2895
End
End
Attribute VB_Name = "classmodi"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim WithEvents MyRs As ADODB.Recordset
Attribute MyRs.VB_VarHelpID = -1
Dim myrs1 As ADODB.Recordset
Dim myrs2 As ADODB.Recordset
Dim str As String
Dim myconn As ADODB.Connection
Private Sub Form_Load()
Set myconn = New ADODB.Connection
myconn.ConnectionString = "driver={SQL Server};" & _
"server=(local);uid=sa;pwd=;database=student_info"
myconn.Open
'***** 使用Recordset对象的Open方法创建记录集 *****
'myrs.Open "student", myconn, adOpenStatic, adLockOptimistic, adCmdTable
Set MyRs = New ADODB.Recordset
MyRs.ActiveConnection = myconn
MyRs.Source = "class"
MyRs.CursorLocation = adUseClient
MyRs.CursorType = adOpenStatic
MyRs.Open , , , adLockOptimistic
Set DataGrid1.DataSource = MyRs
DataGrid1.Columns(0).Caption = "班级编号"
DataGrid1.Columns(1).Caption = "班级名称"
DataGrid1.Columns(2).Caption = "班长学号"
DataGrid1.Columns(0).Width = 800
DataGrid1.Columns(1).Width = 1400
DataGrid1.Columns(2).Width = 1200
End Sub
Private Sub XpButton1_Click()
MyRs.MoveFirst
End Sub
Private Sub XpButton2_Click()
MyRs.MovePrevious
If MyRs.BOF = True Then
MyRs.MoveFirst
End If
End Sub
Private Sub XpButton3_Click()
MyRs.MoveNext
If MyRs.EOF = True Then
MyRs.MoveLast
End If
End Sub
Private Sub XpButton4_Click()
MyRs.MoveLast
End Sub
Private Sub XpButton5_Click()
MyRs.Close
myconn.Close
Unload Me
End Sub
Private Sub MyRs_MoveComplete(ByVal adReason As ADODB.EventReasonEnum, ByVal pError As ADODB.Error, adStatus As ADODB.EventStatusEnum, ByVal pRecordset As ADODB.Recordset)
Label9.Caption = "当前记录/记录总数：" & MyRs.AbsolutePosition & "/" & MyRs.RecordCount
If MyRs.EOF = True Then
MyRs.MoveLast
Else
If MyRs.BOF = True Then
MyRs.MoveFirst
Else
Text1.Text = MyRs.Fields(0)
Text2.Text = MyRs.Fields(1)
Text3.Text = MyRs.Fields(2)
End If
End If
End Sub
Private Sub XpButton6_Click()
On Error GoTo DbnotOpen
If Trim(Text1.Text) <> "" And Trim(Text2.Text) <> "" And Trim(Text3.Text) <> "" Then
With MyRs
.Fields(0) = Trim(Text1.Text)
.Fields(1) = Trim(Text2.Text)
.Fields(2) = Trim(Text3.Text)
.Update
End With
MsgBox "班级信息修改成功!", vbOKOnly + vbInformation, "提示信息"
Else
MsgBox "班级编号或班级名称或班长学号不能为空!", vbOKOnly + vbExclamation, "错误提示"
End If
DbnotOpen:
If Err = -2147217900 Then
MsgBox "该班级不能被修改！" & vbCrLf & vbCrLf & "班级修改失败!", vbOKOnly + vbExclamation, "错误提示"
Set MyRs = New ADODB.Recordset
MyRs.ActiveConnection = myconn
MyRs.Source = "class"
MyRs.CursorLocation = adUseClient
MyRs.CursorType = adOpenStatic
MyRs.Open , , , adLockOptimistic
Set DataGrid1.DataSource = MyRs
DataGrid1.Columns(0).Caption = "班级编号"
DataGrid1.Columns(1).Caption = "班级名称"
DataGrid1.Columns(2).Caption = "班长学号"
DataGrid1.Columns(0).Width = 800
DataGrid1.Columns(1).Width = 1400
DataGrid1.Columns(2).Width = 1200
End If
If Err = -2147217887 Then
MsgBox "输入的班级编号或班级名称或者班长学号长度越界" & vbCrLf & "请重新输入！", vbInformation, "提示信息"
Text1.SetFocus
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Set MyRs = New ADODB.Recordset
With MyRs
.Source = "class"
.ActiveConnection = myconn
.CursorType = adOpenKeyset
.LockType = adLockOptimistic
.Open , , , , adCmdTable
End With
Set DataGrid1.DataSource = MyRs
DataGrid1.Columns(0).Caption = "班级编号"
DataGrid1.Columns(1).Caption = "班级名称"
DataGrid1.Columns(2).Caption = "班长学号"
DataGrid1.Columns(0).Width = 800
DataGrid1.Columns(1).Width = 1400
DataGrid1.Columns(2).Width = 1200
Exit Sub
End If
End Sub
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