📄 frmstudent.frm
字号:
VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form FrmStudent
Caption = "学生信息"
ClientHeight = 5595
ClientLeft = 2055
ClientTop = 1965
ClientWidth = 7470
LinkTopic = "Form1"
ScaleHeight = 5595
ScaleWidth = 7470
Begin VB.ComboBox ComSelName
Height = 300
Left = 2880
TabIndex = 25
Text = "请输入查询关键字"
Top = 4680
Width = 1815
End
Begin VB.CommandButton CmdQuit
Caption = "退出"
Height = 495
Left = 5760
TabIndex = 24
Top = 4560
Width = 1335
End
Begin VB.CommandButton CmdSelect
Caption = "查找"
Height = 495
Left = 4920
TabIndex = 23
Top = 4560
Width = 735
End
Begin VB.ComboBox ComSelType
Height = 300
ItemData = "FrmStudent.frx":0000
Left = 1200
List = "FrmStudent.frx":0016
TabIndex = 21
Text = "请选择查询类型"
Top = 4680
Width = 1695
End
Begin VB.CommandButton CmdDelete
Caption = "删除"
Height = 495
Left = 6000
TabIndex = 20
Top = 3480
Width = 1095
End
Begin VB.CommandButton CmdUpdate
Caption = "更新"
Height = 495
Left = 4920
TabIndex = 19
Top = 3960
Width = 1095
End
Begin VB.CommandButton CmdCancel
Caption = "取消"
Height = 495
Left = 6000
TabIndex = 18
Top = 3960
Width = 1095
End
Begin VB.CommandButton CmdAdd
Caption = "添加"
Height = 495
Left = 4920
TabIndex = 17
Top = 3480
Width = 1095
End
Begin VB.CommandButton CmdNext
Caption = "下一条"
Height = 495
Left = 2640
TabIndex = 16
Top = 3480
Width = 810
End
Begin VB.CommandButton CmdPrevious
Caption = "上一条"
Height = 495
Left = 1440
TabIndex = 15
Top = 3480
Width = 810
End
Begin VB.CommandButton CmdLast
Caption = "末一条"
Height = 495
Left = 3960
TabIndex = 14
Top = 3480
Width = 810
End
Begin VB.CommandButton CmdFirst
Caption = "第一条"
Height = 495
Left = 240
TabIndex = 13
Top = 3480
Width = 810
End
Begin MSAdodcLib.Adodc AdodcStudent
Height = 330
Left = 360
Top = 3120
Visible = 0 'False
Width = 1200
_ExtentX = 2117
_ExtentY = 582
ConnectMode = 0
CursorLocation = 3
IsolationLevel = -1
ConnectionTimeout= 15
CommandTimeout = 30
CursorType = 3
LockType = 3
CommandType = 2
CursorOptions = 0
CacheSize = 50
MaxRecords = 0
BOFAction = 0
EOFAction = 0
ConnectStringType= 1
Appearance = 1
BackColor = -2147483643
ForeColor = -2147483640
Orientation = 0
Enabled = -1
Connect = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\My Documents\student.mdb;Persist Security Info=False"
OLEDBString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\My Documents\student.mdb;Persist Security Info=False"
OLEDBFile = ""
DataSourceName = ""
OtherAttributes = ""
UserName = ""
Password = ""
RecordSource = "Student"
Caption = "AdodcStudent"
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
_Version = 393216
End
Begin VB.Frame FraStudent
Caption = "学生基本信息"
Height = 2895
Left = 240
TabIndex = 0
Top = 120
Width = 6975
Begin VB.TextBox TxtSsex
DataField = "Ssex"
DataSource = "AdodcStudent"
Height = 375
Left = 1680
TabIndex = 12
Top = 1320
Width = 1575
End
Begin VB.TextBox TxtClass
DataField = "Class"
DataSource = "AdodcStudent"
Height = 375
Left = 1680
TabIndex = 11
Top = 2160
Width = 1575
End
Begin VB.TextBox TxtSname
DataField = "Sname"
DataSource = "AdodcStudent"
Height = 375
Left = 4920
TabIndex = 10
Top = 480
Width = 1575
End
Begin VB.TextBox TxtSbirthday
DataField = "Sbirthday"
DataSource = "AdodcStudent"
Height = 375
Left = 4920
TabIndex = 9
Top = 1320
Width = 1575
End
Begin VB.TextBox TxtSdept
DataField = "Sdept"
DataSource = "AdodcStudent"
Height = 375
Left = 4920
TabIndex = 8
Top = 2160
Width = 1575
End
Begin VB.TextBox TxtSno
DataField = "Sno"
DataSource = "AdodcStudent"
Height = 375
Left = 1680
TabIndex = 1
Top = 480
Width = 1575
End
Begin VB.Label LabSbirthday
Caption = "出生日期："
Height = 375
Left = 3600
TabIndex = 7
Top = 1320
Width = 975
End
Begin VB.Label LabSdept
Caption = "系别："
Height = 375
Left = 3600
TabIndex = 6
Top = 2160
Width = 975
End
Begin VB.Label LabSsex
Caption = "性别："
Height = 375
Left = 360
TabIndex = 5
Top = 1320
Width = 975
End
Begin VB.Label LabClass
Caption = "班级："
Height = 375
Left = 360
TabIndex = 4
Top = 2160
Width = 975
End
Begin VB.Label LabSname
Caption = "姓名："
Height = 375
Left = 3600
TabIndex = 3
Top = 480
Width = 975
End
Begin VB.Label LabSno
Caption = "学号："
Height = 375
Left = 360
TabIndex = 2
Top = 480
Width = 975
End
End
Begin VB.Label LabSelect
Caption = "查询条件："
Height = 255
Left = 240
TabIndex = 22
Top = 4680
Width = 1095
End
End
Attribute VB_Name = "FrmStudent"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub CmdAdd_Click()
AdodcStudent.Recordset.AddNew
TxtSno.SetFocus
CmdAdd.Enabled = False
CmdDelete.Enabled = False
CmdCancel.Enabled = True
CmdUpdate.Enabled = True
Call EnableButton(False)
End Sub
Private Sub CmdCancel_Click()
AdodcStudent.Recordset.CancelUpdate
CmdAdd.Enabled = True
CmdDelete.Enabled = True
CmdCancel.Enabled = False
CmdUpdate.Enabled = False
Call EnableButton(True)
End Sub
Private Sub CmdDelete_Click()
Dim r As Integer
r = MsgBox("您确定要删除当前记录?", vbExclamation + vbYesNo, "信息提示")
If r = vbYes Then
AdodcStudent.Recordset.Delete
AdodcStudent.Recordset.MoveNext
If AdodcStudent.Recordset.EOF Then
AdodcStudent.Recordset.Movelast
End If
End If
End Sub
Private Sub CmdFirst_Click()
AdodcStudent.Recordset.MoveFirst
End Sub
Private Sub CmdLast_Click()
AdodcStudent.Recordset.Movelast
End Sub
Private Sub CmdNext_Click()
AdodcStudent.Recordset.MoveNext
If AdodcStudent.Recordset.EOF Then AdodcStudent.Recordset.Movelast
End Sub
Private Sub CmdPrevious_Click()
AdodcStudent.Recordset.MovePrevious
If AdodcStudent.Recordset.BOF Then AdodcStudent.Recordset.MoveFirst
End Sub
Private Sub CmdQuit_Click()
Unload Me
End Sub
Private Sub CmdSelect_Click()
sterm = ComSelType.Text
soptn = Trim(ComSelName.Text)
FrmSselect.Show
End Sub
Private Sub CmdUpdate_Click()
If TxtSno.Text = "" Then
MsgBox "对不起，学号不能为空值,请您重新输入", vbExclamation, "出错信息"
TxtSno.SetFocus
Else
If TxtSname.Text = "" Then
MsgBox "对不起，姓名不能为空值,请您重新输入", vbExclamation, "出错信息"
TxtSname.SetFocus
Else
AdodcStudent.Recordset("Sno") = TxtSno.Text
AdodcStudent.Recordset("Sname") = TxtSname.Text
If TxtSbirthday.Text <> "" Then
AdodcStudent.Recordset("Sbirthday") = CDate(TxtSbirthday.Text)
End If
If TxtSsex.Text <> "" Then
AdodcStudent.Recordset("Ssex") = TxtSsex.Text
End If
AdodcStudent.Recordset("Sdept") = TxtSdept.Text
AdodcStudent.Recordset("Class") = TxtClass.Text
AdodcStudent.Recordset.Update
CmdAdd.Enabled = True
CmdDelete.Enabled = True
CmdUpdate.Enabled = False
CmdCancel.Enabled = False
Call EnableButton(True)
End If
End If
End Sub
Private Sub EnableButton(flag As Boolean)
CmdFirst.Enabled = flag
CmdPrevious.Enabled = flag
CmdNext.Enabled = flag
CmdLast.Enabled = flag
End Sub
Private Sub ComSelType_Click()
selection = ComSelType.Text
Select Case selection
Case "学号"
adoCmd.CommandText = "select sno x from stu"
Case "姓名"
adoCmd.CommandText = "select distinct sname x from stu"
Case "性别"
adoCmd.CommandText = "select distinct sex x from stu"
Case "出生日期"
adoCmd.CommandText = "select distinct bdate x from stu"
Case "所在系"
adoCmd.CommandText = "select distinct sdept x from stu"
Case "所在班级"
adoCmd.CommandText = "select distinct class x from stu"
Case Else
MsgBox "你没有选中任何条件！", vbOKOnly + vbExclamation, "警告"
End Select
Set adoRst = adoCmd.Execute
ComSelName.Clear
Do While Not adoRst.EOF
If IsNull(adoRst!X) = False And adoRst!X <> "" Then
ComSelName.AddItem (ConvertNull(adoRst!X))
End If
adoRst.MoveNext
Loop
adoRst.MoveFirst
Do While IsNull(adoRst!X) = True
adoRst.MoveNext
Loop
ComSelName.Text = ConvertNull(adoRst!X)
End Sub
Private Sub Form_Load()
CmdCancel.Enabled = False
CmdUpdate.Enabled = False
End Sub
Private Function ConvertNull(para_Value As Variant) As Variant
If IsNull(para_Value) = True Then
MsgBox "发现空串", vbExclamation, "信息"
Else
ConvertNull = CStr(para_Value)
End If
End Function
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