📄 form3.frm
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VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form Form3
Caption = "Form3"
ClientHeight = 4950
ClientLeft = 60
ClientTop = 450
ClientWidth = 10590
LinkTopic = "Form3"
ScaleHeight = 4950
ScaleWidth = 10590
StartUpPosition = 3 '窗口缺省
Begin MSAdodcLib.Adodc Adodc2
Height = 330
Left = 480
Top = 960
Width = 1200
_ExtentX = 2117
_ExtentY = 582
ConnectMode = 0
CursorLocation = 3
IsolationLevel = -1
ConnectionTimeout= 15
CommandTimeout = 30
CursorType = 3
LockType = 3
CommandType = 8
CursorOptions = 0
CacheSize = 50
MaxRecords = 0
BOFAction = 0
EOFAction = 0
ConnectStringType= 3
Appearance = 1
BackColor = -2147483643
ForeColor = -2147483640
Orientation = 0
Enabled = -1
Connect = "DSN=disk"
OLEDBString = ""
OLEDBFile = ""
DataSourceName = "disk"
OtherAttributes = ""
UserName = ""
Password = ""
RecordSource = "select * from 借还表"
Caption = "Adodc2"
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.CommandButton Command2
Caption = "返回"
Height = 375
Left = 8880
TabIndex = 6
Top = 4440
Width = 1215
End
Begin VB.TextBox Text2
BackColor = &H00FFC0FF&
BeginProperty Font
Name = "楷体_GB2312"
Size = 15.75
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 495
Left = 2160
TabIndex = 5
Top = 120
Width = 6375
End
Begin VB.Timer Timer2
Interval = 600
Left = 960
Top = 240
End
Begin VB.Timer Timer1
Interval = 600
Left = 360
Top = 240
End
Begin MSDataGridLib.DataGrid DataGrid1
Bindings = "Form3.frx":0000
Height = 2655
Left = 2160
TabIndex = 3
Top = 1320
Width = 8055
_ExtentX = 14208
_ExtentY = 4683
_Version = 393216
BackColor = 16777152
HeadLines = 1
RowHeight = 16
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 = 10.5
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Caption = "用户信息表"
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 MSAdodcLib.Adodc Adodc1
Height = 375
Left = 2640
Top = 4320
Visible = 0 'False
Width = 1455
_ExtentX = 2566
_ExtentY = 661
ConnectMode = 0
CursorLocation = 3
IsolationLevel = -1
ConnectionTimeout= 15
CommandTimeout = 30
CursorType = 3
LockType = 3
CommandType = 8
CursorOptions = 0
CacheSize = 50
MaxRecords = 0
BOFAction = 0
EOFAction = 0
ConnectStringType= 3
Appearance = 1
BackColor = -2147483643
ForeColor = -2147483640
Orientation = 0
Enabled = -1
Connect = "DSN=disk"
OLEDBString = ""
OLEDBFile = ""
DataSourceName = "disk"
OtherAttributes = ""
UserName = ""
Password = ""
RecordSource = "select * from 用户信息表"
Caption = "Adodc1"
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.CommandButton Command1
Caption = "删除"
Height = 495
Left = 480
TabIndex = 2
Top = 3720
Width = 1095
End
Begin VB.TextBox Text1
BeginProperty Font
Name = "楷体_GB2312"
Size = 12
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 360
TabIndex = 1
Top = 3120
Width = 1455
End
Begin VB.Label Label2
BackStyle = 0 'Transparent
BeginProperty Font
Name = "宋体"
Size = 10.5
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FF0000&
Height = 495
Left = 120
TabIndex = 4
Top = 2280
Width = 1935
End
Begin VB.Label Label1
BackStyle = 0 'Transparent
Caption = "请输入要删除用户的编号"
BeginProperty Font
Name = "宋体"
Size = 14.25
Charset = 134
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 855
Left = 240
TabIndex = 0
Top = 1560
Width = 1815
End
End
Attribute VB_Name = "Form3"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Conn As ADODB.Connection
Private RS As ADODB.Recordset
Private Sub Command1_Click()
Set Conn = New ADODB.Connection
Set RS = New ADODB.Recordset
Conn.ConnectionString = "dsn=disk;uid=;pwd="
If Text1.Text = "" Then
MsgBox "请输入用户的编号！"
Else
Adodc2.RecordSource = "select * from 借还表 where 还回标记 = '借出' and 用户编号 =" & Text1.Text
Adodc2.Refresh
If Adodc2.Recordset.RecordCount <> 0 Then
MsgBox "此用户不能删除，还有光盘没有还回！"
Adodc1.RecordSource = "select * from 用户信息表 "
Adodc1.Refresh
Else
Adodc1.RecordSource = "select * from 用户信息表 where 编号=" & Text1.Text
Adodc1.Refresh
If Adodc1.Recordset.RecordCount = 0 Then
MsgBox "此用户不存在！"
Adodc1.RecordSource = "select * from 用户信息表 "
Adodc1.Refresh
Else
Conn.Open
Conn.Execute "delete from 用户信息表 where 编号=" & Text1.Text
Label2.Caption = "你已经删除用户编号=" & Text1.Text & "的记录"
Text1.Text = ""
Adodc1.RecordSource = "select * from 用户信息表 "
Adodc1.Refresh
End If
End If
End If
End Sub
Private Sub Command2_Click()
Form1.Show
Unload Me
End Sub
Private Sub Form_Load()
Command1.Enabled = False
End Sub
Private Sub Text1_Change()
Command1.Enabled = True
End Sub
Private Sub Timer1_Timer()
Text2.Text = " 用户信息删除"
End Sub
Private Sub Timer2_Timer()
Text2.Text = " 用户信息删除 "
End Sub
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