📄 form5.frm
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VERSION 5.00
Object = "{5E9E78A0-531B-11CF-91F6-C2863C385E30}#1.0#0"; "MSFLXGRD.OCX"
Begin VB.Form Form5
Caption = "Form5"
ClientHeight = 6810
ClientLeft = 60
ClientTop = 510
ClientWidth = 6930
LinkTopic = "Form5"
ScaleHeight = 6810
ScaleWidth = 6930
StartUpPosition = 3 '窗口缺省
Begin VB.CommandButton Command3
Caption = "删除"
Height = 495
Left = 4920
TabIndex = 9
Top = 6000
Width = 1335
End
Begin VB.CommandButton Command2
Caption = "返回"
Height = 495
Left = 4800
TabIndex = 8
Top = 1440
Width = 1095
End
Begin MSFlexGridLib.MSFlexGrid MSFlexGrid1
Height = 2895
Left = 120
TabIndex = 1
Top = 2880
Width = 6015
_ExtentX = 10610
_ExtentY = 5106
_Version = 393216
End
Begin VB.Frame Frame1
Caption = "查询删除(两者选择一个或两个都可)"
Height = 1935
Left = 120
TabIndex = 0
Top = 240
Width = 6255
Begin VB.CommandButton Command1
Caption = "搜索"
Height = 495
Left = 4680
TabIndex = 6
Top = 360
Width = 975
End
Begin VB.TextBox Text2
Height = 495
Left = 2280
TabIndex = 5
Top = 1200
Width = 1455
End
Begin VB.TextBox Text1
Height = 495
Left = 120
TabIndex = 4
Top = 1200
Width = 1335
End
Begin VB.Label Label2
Caption = "学生学号"
Height = 615
Left = 2520
TabIndex = 3
Top = 480
Width = 1335
End
Begin VB.Label Label1
Caption = "学生姓名"
Height = 615
Left = 120
TabIndex = 2
Top = 480
Width = 1095
End
End
Begin VB.Label Label4
Caption = "从上面显示中选一条删除"
Height = 495
Left = 2400
TabIndex = 10
Top = 6120
Width = 2295
End
Begin VB.Label Label3
Caption = "显示满足条件的信息"
Height = 495
Left = 120
TabIndex = 7
Top = 2400
Width = 3855
End
End
Attribute VB_Name = "Form5"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim i As Integer
Set cn = New ADODB.Connection
cn.ConnectionString = "driver={sql server};server=fu;uid=sa;pwd=;database=sinformation"
cn.Open
Set rs = New ADODB.Recordset
If Text1.Text = "" Then
If Text2.Text = "" Then
txtsql = "select * from student"
Else
txtsql = "select * from student where 学生学号='" + Text2.Text + "'"
End If
Else
If Text2.Text = "" Then
txtsql = "select * from student where 学生姓名='" + Text1.Text + "'"
Else
txtsql = "select * from student where 学生姓名='" + Text1.Text + "' and 学生学号='" + Text2.Text + "'"
End If
End If
rs.Open txtsql, cn, adOpenDynamic, adLockOptimistic
If rs.EOF Then
MsgBox "没有找到任何相关记录", , "提示"
With MSFlexGrid1
.Cols = 0
.Rows = 0
End With
Else
With MSFlexGrid1
.Cols = 6
.Rows = 1
For i = 0 To 5
.TextMatrix(0, i) = rs.Fields(i).Name
Next i
While Not rs.EOF
.Rows = .Rows + 1
For i = 0 To 5
.TextMatrix(.Rows - 1, i) = rs.Fields(i)
Next i
rs.movenext
Wend
End With
End If
Label3.Caption = "现在数据库中的所有信息如下: "
End Sub
Private Sub Command2_Click()
Form5.Hide
Form1.Show
End Sub
Private Sub Command3_Click()
Set cn = New ADODB.Connection
cn.ConnectionString = "driver={sql server};server=fu;uid=sa;pwd=;database=sinformation"
cn.Open
Set rs = New ADODB.Recordset
With MSFlexGrid1
If MsgBox("你是否要删除当前记录" + .TextMatrix(.Row, 0), vbYesNo, "提示") = vbYes Then
txtsql = "delete from student where 学生学号='" + .TextMatrix(.Row, 1) + "'"
cn.Execute txtsql
MsgBox "记录已经被删除", , "提示"
End If
End With
txtsql = "select * from student"
rs.Open txtsql, cn, adOpenDynamic, adLockOptimistic
If rs.EOF Then
MsgBox "没有找到任何相关记录", , "提示"
With MSFlexGrid1
.Cols = 0
.Rows = 0
End With
Else
With MSFlexGrid1
.Cols = 6
.Rows = 1
For i = 0 To 5
.TextMatrix(0, i) = rs.Fields(i).Name
Next i
While Not rs.EOF
.Rows = .Rows + 1
For i = 0 To 5
.TextMatrix(.Rows - 1, i) = rs.Fields(i)
Next i
rs.movenext
Wend
End With
End If
End Sub
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