📄 sctushuxinxi.frm
字号:
VERSION 5.00
Begin VB.Form sctushuxinxi
Caption = "删除图书信息"
ClientHeight = 5190
ClientLeft = 4920
ClientTop = 3465
ClientWidth = 5835
LinkTopic = "Form3"
ScaleHeight = 5190
ScaleWidth = 5835
Begin VB.TextBox Text6
Height = 975
Left = 1920
TabIndex = 14
Top = 3240
Width = 2295
End
Begin VB.CommandButton Command3
Caption = "离开"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 4200
TabIndex = 13
Top = 4560
Width = 1215
End
Begin VB.CommandButton Command2
Caption = "删除"
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 720
TabIndex = 12
Top = 4560
Width = 1215
End
Begin VB.TextBox Text5
Height = 375
Left = 1920
TabIndex = 11
Top = 2640
Width = 2295
End
Begin VB.TextBox Text4
Height = 375
Left = 1920
TabIndex = 8
Top = 2040
Width = 2295
End
Begin VB.TextBox Text3
Height = 375
Left = 1920
TabIndex = 6
Top = 1440
Width = 2295
End
Begin VB.TextBox Text2
Height = 375
Left = 1920
TabIndex = 4
Top = 840
Width = 2295
End
Begin VB.CommandButton Command1
Caption = "搜索"
Default = -1 'True
Height = 375
Left = 4560
TabIndex = 2
Top = 240
Width = 855
End
Begin VB.TextBox Text1
Height = 375
Left = 1920
TabIndex = 1
Top = 240
Width = 2295
End
Begin VB.Label Label6
AutoSize = -1 'True
Caption = "简介："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 960
TabIndex = 10
Top = 3120
Width = 720
End
Begin VB.Label Label5
AutoSize = -1 'True
Caption = "类别："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 960
TabIndex = 9
Top = 2640
Width = 600
End
Begin VB.Label Label4
AutoSize = -1 'True
Caption = "出版社："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 720
TabIndex = 7
Top = 2040
Width = 960
End
Begin VB.Label Label3
AutoSize = -1 'True
Caption = "作者："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 960
TabIndex = 5
Top = 1440
Width = 720
End
Begin VB.Label Label2
AutoSize = -1 'True
Caption = "书名："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 960
TabIndex = 3
Top = 840
Width = 720
End
Begin VB.Label Label1
AutoSize = -1 'True
Caption = "请输入书号："
BeginProperty Font
Name = "宋体"
Size = 12
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 240
Left = 240
TabIndex = 0
Top = 240
Width = 1440
End
End
Attribute VB_Name = "sctushuxinxi"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim cn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Private Sub Command1_Click()
If Text1.Text = "" Then
MsgBox "书号不能为空！", vbCritical, "错误"
Text1.Text = ""
Text1.SetFocus
Exit Sub
End If
If IsNumeric(Text1.Text) Then
Else
MsgBox "书号必须为数字！请注意！！", vbCritical, "错误"
Text1.Text = ""
Text1.SetFocus
Exit Sub
End If
Text1.Enabled = False
str2 = "select * from book where bno = '" & Text1.Text & "'"
'查询DataEnv.rsstu的状态，如果已经打开，则先关闭
If rs.State = adStateOpen Then rs.Close
rs.Open str2, cn, 1, 3
If rs.EOF Then
MsgBox "无该记录或输入数据有误。请查正。"
If Text1.Enabled = False Then
Text1.Enabled = True
End If
Text1.Text = ""
Text1.SetFocus
Exit Sub
Else
Text2.Text = rs!bname
Text3.Text = rs!auth
Text4.Text = rs!press
Text5.Text = rs!part
Text6.Text = rs!jianjie
Command2.Enabled = True
Text2.Enabled = False
Text3.Enabled = False
Text4.Enabled = False
Text5.Enabled = False
Text6.Enabled = False
End If
End Sub
Private Sub Command2_Click()
Call suredel
Text1.Enabled = True
Text2.Enabled = True
Text3.Enabled = True
Text4.Enabled = True
Text5.Enabled = True
Text6.Enabled = True
Text1.SetFocus
End Sub
Private Sub Command3_Click()
Unload Me
cn.Close
End Sub
Private Sub Form_Load()
If Text1.Enabled = False Then
Text1.Enabled = True
End If
Command2.Enabled = False
If cn.State = 1 Then cn.Close
'根据目录所在的位置，改变ADO所使用的的连接字符串
Dim strConn As String
strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source="
'使用相对路径
strConn = strConn & App.Path & "\database\manager.mdb" & ";Persist Security Info=True"
cn.ConnectionString = strConn
cn.Open
End Sub
Private Sub suredel()
If Text1.Text = "" Then
MsgBox " 您不能进行删除操作,因为学号为空！", vbCritical, "错误"
Exit Sub
Text1.SetFocus
Else
Dim sure As Long
sure = MsgBox("删除记录将无法恢复，确认该操作吗？", vbOKCancel)
Select Case sure
Case vbOK
rs.Delete
MsgBox "记录已删除。"
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
Text5.Text = ""
Text6.Text = ""
Case vbCancel
Text1.Enabled = True
Text1.Text = ""
Text1.SetFocus
Exit Sub
End Select
End If
End Sub
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