📄 query_frm.frm
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Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 240
TabIndex = 7
Top = 5160
Width = 1575
End
Begin VB.CommandButton Command1
Caption = "查询"
Height = 450
Left = 8280
TabIndex = 5
Top = 4130
Width = 1095
End
Begin VB.TextBox Text4
Height = 375
Left = 6360
TabIndex = 4
Top = 4200
Width = 1815
End
Begin VB.TextBox Text2
Height = 375
Left = 1800
TabIndex = 3
Top = 4200
Width = 1575
End
Begin VB.Label Label8
Caption = "按学生编号："
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 4800
TabIndex = 15
Top = 3480
Width = 1455
End
Begin VB.Label Label7
Caption = "按教师编号："
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 255
Left = 240
TabIndex = 14
Top = 3600
Width = 1455
End
Begin VB.Label Label6
Caption = "学生姓名："
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 4800
TabIndex = 13
Top = 4200
Width = 1215
End
Begin VB.Label Label5
Caption = "教师姓名："
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 240
TabIndex = 12
Top = 4200
Width = 1215
End
Begin VB.Label Label4
AutoSize = -1 'True
Caption = "查询教师有多少学生选他的课程:"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 240
TabIndex = 6
Top = 4800
Width = 3270
End
Begin VB.Label Label3
AutoSize = -1 'True
Caption = "查询学生选课记录:"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 4800
TabIndex = 2
Top = 3120
Width = 1920
End
Begin VB.Label Label2
AutoSize = -1 'True
Caption = "查询教师选课记录:"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 240
TabIndex = 1
Top = 3120
Width = 1920
End
Begin VB.Label Label1
AutoSize = -1 'True
Caption = "查询结果如下:"
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 210
Left = 240
TabIndex = 0
Top = 240
Width = 1470
End
End
Attribute VB_Name = "query_frm"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim con As ADODB.Connection
Private Sub Combo1_Click()
Dim myrs As New ADODB.Recordset
Dim query1 As String
query1 = "SELECT * FROM teacherinfo WHERE " & "tno" & " = '" & Trim(Combo1.Text) & "'"
myrs.Open query1, con, adOpenForwardOnly, adLockReadOnly
Text2 = myrs.Fields(1)
End Sub
Private Sub Combo2_click()
Dim myrs As New ADODB.Recordset
Dim query1 As String
query1 = "SELECT * FROM studentinfo WHERE " & "sno" & " = '" & Trim(Combo2.Text) & "'"
myrs.Open query1, con, adOpenForwardOnly, adLockReadOnly
Text4 = myrs.Fields(1)
End Sub
Private Sub Command1_Click()
'查找记录
Dim myrs As New ADODB.Recordset
Dim query1 As String
query1 = "SELECT * FROM choice WHERE " & "stuno" & " = '" & Trim(Combo2.Text) & "'"
myrs.Open query1, con, adOpenForwardOnly, adLockReadOnly
Set DataGrid1.DataSource = Nothing
If Not (myrs.EOF And myrs.BOF) Then
myrs.MoveFirst
myrs.MoveLast
End If
If myrs.RecordCount > 0 Then
Set DataGrid1.DataSource = myrs
MsgBox "总共查到" & myrs.RecordCount & "记录", vbInformation
Else
MsgBox "没有找到记录,请重新输入查询数据", vbInformation
End If
End Sub
Private Sub Command2_Click()
Dim myrs As New ADODB.Recordset
Dim query1 As String
If Check1.Value = 1 Then
query1 = "SELECT * FROM choice WHERE " & "teacherno" & " = '" & Trim(Text6.Text) & "'"
myrs.Open query1, con, adOpenForwardOnly, adLockReadOnly
Set DataGrid1.DataSource = Nothing
End If
If Check2.Value = 1 Then
query1 = "SELECT * FROM choice WHERE " & "courseno" & " = '" & Trim(Text5.Text) & "'"
myrs.Open query1, con, adOpenForwardOnly, adLockReadOnly
Set DataGrid1.DataSource = Nothing
End If
If Not (myrs.EOF And myrs.BOF) Then
myrs.MoveFirst
myrs.MoveLast
End If
If myrs.RecordCount > 0 Then
Set DataGrid1.DataSource = myrs
MsgBox "总共查到" & myrs.RecordCount & "记录", vbInformation
Else
MsgBox "没有找到记录,请重新输入查询数据", vbInformation
End If
End Sub
Private Sub Command3_Click()
'查找记录
Dim myrs As New ADODB.Recordset
Dim query1 As String
query1 = "SELECT * FROM course_teacher WHERE " & "tno" & " = '" & Trim(Combo1.Text) & "'"
myrs.Open query1, con, adOpenForwardOnly, adLockReadOnly
Set DataGrid1.DataSource = Nothing
If Not (myrs.EOF And myrs.BOF) Then
myrs.MoveFirst
myrs.MoveLast
End If
If myrs.RecordCount > 0 Then
Set DataGrid1.DataSource = myrs
MsgBox "总共查到" & myrs.RecordCount & "记录", vbInformation
Else
MsgBox "没有找到记录,请重新输入查询数据", vbInformation
End If
End Sub
Private Sub Command4_Click()
Unload Me
End Sub
Private Sub Form_Load()
'创建连接，并打开
Set con = New ADODB.Connection
con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\db1.mdb;Persist Security Info=False"
' con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=e:\vb实习\db1.mdb;Persist Security Info=False"
con.CursorLocation = adUseClient
con.Open
Do While Not Adodc2.Recordset.EOF
Combo1.AddItem Adodc2.Recordset.Fields(0)
Adodc2.Recordset.MoveNext
Loop
Do While Not Adodc3.Recordset.EOF
Combo2.AddItem Adodc3.Recordset.Fields(0)
Adodc3.Recordset.MoveNext
Loop
End Sub
Private Sub Option1_Click()
End Sub
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