📄 frmupdatedisk.frm
字号:
VERSION 5.00
Begin VB.Form frmUpdateDisk
Caption = "影碟信息-修改删除"
ClientHeight = 4815
ClientLeft = 60
ClientTop = 345
ClientWidth = 7455
LinkTopic = "Form1"
ScaleHeight = 4815
ScaleWidth = 7455
StartUpPosition = 3 'Windows Default
Begin VB.Frame Frame1
Caption = "影碟信息"
Height = 3495
Index = 1
Left = 120
TabIndex = 6
Top = 1200
Width = 7215
Begin VB.TextBox txtItem
Enabled = 0 'False
Height = 285
Index = 6
Left = 4680
TabIndex = 23
Text = "Text1"
Top = 1200
Width = 2295
End
Begin VB.TextBox txtItem
Height = 285
Index = 0
Left = 960
TabIndex = 13
Text = "Text2"
Top = 360
Width = 2415
End
Begin VB.TextBox txtItem
Enabled = 0 'False
Height = 285
Index = 1
Left = 4680
TabIndex = 12
Text = " "
Top = 360
Width = 2295
End
Begin VB.TextBox txtItem
Height = 285
Index = 2
Left = 960
TabIndex = 11
Text = "Text3"
Top = 810
Width = 1575
End
Begin VB.TextBox txtItem
Height = 285
Index = 3
Left = 4680
TabIndex = 10
Text = "Text4"
Top = 840
Width = 2295
End
Begin VB.TextBox txtItem
Height = 855
Index = 4
Left = 960
MultiLine = -1 'True
TabIndex = 9
Text = "frmUpdateDisk.frx":0000
Top = 1680
Width = 6015
End
Begin VB.TextBox txtItem
Height = 645
Index = 5
Left = 960
MultiLine = -1 'True
TabIndex = 8
Text = "frmUpdateDisk.frx":0006
Top = 2640
Width = 6015
End
Begin VB.ComboBox cboType
Height = 315
Left = 960
TabIndex = 7
Text = "Combo1"
Top = 1200
Width = 2415
End
Begin VB.Label Label9
Caption = "库 存 量："
Height = 255
Left = 3720
TabIndex = 22
Top = 1200
Width = 975
End
Begin VB.Label Label2
Caption = "名称："
Height = 255
Left = 360
TabIndex = 21
Top = 360
Width = 615
End
Begin VB.Label Label1
Caption = "购买日期："
Height = 255
Index = 1
Left = 3720
TabIndex = 20
Top = 360
Width = 975
End
Begin VB.Label Label3
Caption = "租金："
Height = 255
Left = 360
TabIndex = 19
Top = 840
Width = 615
End
Begin VB.Label Label4
Caption = "总 数 量："
Height = 255
Left = 3720
TabIndex = 18
Top = 840
Width = 975
End
Begin VB.Label Label5
Caption = "（元/天）"
Height = 255
Left = 2520
TabIndex = 17
Top = 840
Width = 855
End
Begin VB.Label Label6
Caption = "简介："
Height = 255
Left = 360
TabIndex = 16
Top = 1680
Width = 615
End
Begin VB.Label Label7
Caption = "备注："
Height = 255
Left = 360
TabIndex = 15
Top = 2640
Width = 615
End
Begin VB.Label Label8
Caption = "类别："
Height = 255
Left = 360
TabIndex = 14
Top = 1200
Width = 615
End
End
Begin VB.Frame Frame1
Caption = "选择"
Height = 975
Index = 0
Left = 120
TabIndex = 0
Top = 120
Width = 7215
Begin VB.ComboBox cboDisks
Height = 315
Left = 1200
TabIndex = 5
Text = "Combo1"
Top = 360
Width = 1335
End
Begin VB.CommandButton cmdCancel
Caption = "返回(&C)"
Height = 375
Left = 5760
TabIndex = 4
Top = 360
Width = 1095
End
Begin VB.CommandButton cmdDelete
Caption = "删除(&D)"
Height = 375
Left = 4320
TabIndex = 3
Top = 360
Width = 1095
End
Begin VB.CommandButton cmdModify
Caption = "修改(&M)"
Height = 375
Left = 2880
TabIndex = 2
Top = 360
Width = 1095
End
Begin VB.Label Label1
Caption = "影碟编号："
Height = 375
Index = 0
Left = 240
TabIndex = 1
Top = 360
Width = 975
End
End
End
Attribute VB_Name = "frmUpdateDisk"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Public sqlStr As String
Public msgText As String
Private Sub cboDisks_Click()
getDiskInfo
End Sub
Private Sub cmdCancel_Click()
Unload Me
End Sub
Private Sub cmdDelete_Click()
Dim conn As ADODB.Connection
'组合得到完成数据修改的SQL语句
sqlStr = "delete from disks where [no]=" & Trim(cboDisks.Text)
On Error GoTo exitSub
Set conn = New ADODB.Connection
conn.Open connStr
'执行SQL语句
conn.Execute sqlStr
MsgBox "成功删除数据!!"
initDiskNo
exitSub:
conn.Close
End Sub
Private Sub cmdModify_Click()
Dim conn As ADODB.Connection
'组合得到完成数据修改的SQL语句
sqlStr = "update disks set diskName='" & txtItem(0).Text _
& "',[description]='" & txtItem(4).Text _
& "',payForRent=" & txtItem(2).Text _
& ",stock=" & txtItem(6).Text _
& ",total=" & txtItem(3).Text _
& ",[memo]='" & txtItem(5).Text _
& "',category='" & cboType.Text _
& "' where [no]=" & Trim(cboDisks.Text)
On Error GoTo exitSub
Set conn = New ADODB.Connection
conn.Open connStr
'执行SQL语句
conn.Execute sqlStr
MsgBox "成功修改数据!!"
initDiskNo
exitSub:
conn.Close
End Sub
Private Sub Form_Load()
'窗体居中显示
Me.Top = (Screen.Height - Me.Height) \ 2
Me.Left = (Screen.Width - Me.Width) \ 2
initTextBox
initCategories
initDiskNo
End Sub
Sub initTextBox()
Dim i As Integer
'将文本框清空
For i = 0 To 5
txtItem(i).Text = ""
Next i
End Sub
Sub initCategories()
'方法的作用：将类别表中的类别名称显示到列表框中
Dim rstCategory As ADODB.Recordset
'从数据库中读取所有类别并添加到组合列表框中
sqlStr = "select name from categories"
Set rstCategory = ExecuteSQL(sqlStr, msgText)
cboType.Clear
If Not rstCategory.EOF Then
Do While Not rstCategory.EOF
cboType.AddItem Trim(rstCategory.Fields(0))
rstCategory.MoveNext
Loop
cboType.ListIndex = 0
Else
MsgBox "没有类别信息，请添加！", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
rstCategory.Close
End Sub
Sub initDiskNo()
Dim rstDisks As ADODB.Recordset
'从数据库中读取所有影碟编号并添加到组合列表框中
sqlStr = "select [no] from disks"
Set rstDisks = ExecuteSQL(sqlStr, msgText)
cboDisks.Clear
If Not rstDisks.EOF Then
Do While Not rstDisks.EOF
cboDisks.AddItem Trim(rstDisks.Fields(0))
rstDisks.MoveNext
Loop
cboDisks.ListIndex = 0
Else
MsgBox "没有类别信息，请添加！", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
rstDisks.Close
End Sub
Sub getDiskInfo()
Dim rstDisk As ADODB.Recordset
'从数据库中查找符合条件的影碟信息
sqlStr = "select * from disks where [no]=" & cboDisks.Text
Set rstDisk = ExecuteSQL(sqlStr, msgText)
If Not rstDisk.EOF Then
txtItem(0).Text = rstDisk.Fields("diskName")
txtItem(1).Text = rstDisk.Fields("buyDate")
txtItem(2).Text = rstDisk.Fields("payForRent")
txtItem(3).Text = rstDisk.Fields("total")
txtItem(4).Text = rstDisk.Fields("description")
txtItem(5).Text = rstDisk.Fields("memo")
txtItem(6).Text = rstDisk.Fields("stock")
cboType.Text = rstDisk.Fields("category")
Else
MsgBox "没有找到符合条件的数据记录！", vbOKOnly + vbExclamation, "警告"
Exit Sub
End If
rstDisk.Close
End Sub
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