修改系部信息.frm

学生管理系统

VERSION 5.00
Begin VB.Form 系部信息 
   Caption         =   "Form1"
   ClientHeight    =   4920
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5610
   LinkTopic       =   "Form1"
   ScaleHeight     =   4920
   ScaleWidth      =   5610
   StartUpPosition =   3  '窗口缺省
   Begin VB.ComboBox Combo1 
      Height          =   300
      Left            =   1320
      TabIndex        =   7
      Text            =   " "
      Top             =   1080
      Width           =   1455
   End
   Begin VB.Frame Frame1 
      Caption         =   "Frame1"
      Height          =   1335
      Left            =   240
      TabIndex        =   3
      Top             =   2280
      Width           =   4935
      Begin VB.CommandButton Command1 
         Caption         =   "查询"
         Height          =   495
         Left            =   3840
         TabIndex        =   8
         Top             =   240
         Width           =   855
      End
      Begin VB.CommandButton Command4 
         Caption         =   "退出"
         Height          =   495
         Left            =   2520
         TabIndex        =   6
         Top             =   240
         Width           =   1095
      End
      Begin VB.CommandButton Command3 
         Caption         =   "删除"
         Height          =   495
         Left            =   1320
         TabIndex        =   5
         Top             =   240
         Width           =   1095
      End
      Begin VB.CommandButton Command2 
         Caption         =   "更新"
         Height          =   495
         Left            =   120
         TabIndex        =   4
         Top             =   240
         Width           =   1095
      End
   End
   Begin VB.TextBox Text1 
      Height          =   495
      Left            =   1440
      TabIndex        =   2
      Text            =   " "
      Top             =   240
      Width           =   1095
   End
   Begin VB.Label Label2 
      Caption         =   "系部名称"
      Height          =   495
      Left            =   0
      TabIndex        =   1
      Top             =   960
      Width           =   1095
   End
   Begin VB.Label Label1 
      Caption         =   "系部编号"
      Height          =   495
      Left            =   120
      TabIndex        =   0
      Top             =   240
      Width           =   1095
   End
End
Attribute VB_Name = "系部信息"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs31 As New ADODB.Recordset


Private Sub Combo1_Click()
Dim rs15 As New ADODB.Recordset
rs15.Open "select * from 系部表 where 系部编号='" + Trim(Combo1.Text) + "'", cnn, 3, 1
End Sub

Private Sub Command1_Click()
If rs31.State <> 0 Then rs31.Close
rs31.Open "select *from 系部表 where 系部编号='" + Trim(Text1) + "'", cnn, 3, 1
If rs31.EOF Then
MsgBox "没有此记录！"
Text1 = ""
Exit Sub
Else
Combo1.Text = rs31("系部名称")
Text1 = rs31("系部编号")
End If
End Sub

Private Sub Command2_Click()
If rs31.State <> 0 Then rs31.Close
rs31.Open "select * from 系部表 where 系部编号='" + Trim(Text1) + "'", cnn, 3, 3
rs31.Find "系部编号 like '" & Text1 & "'"
If rs31.EOF Then
   MsgBox "没有此记录！"
   Text1 = ""
   Combo1.Text = ""
Else
rs31("系部名称") = Trim(Combo1.Text)
rs31("系部编号") = Trim(Text1)
rs31.Update
rs31.Requery
MsgBox "更新成功！"
 End If
End Sub


Private Sub Command3_Click()
If rs31.State <> 0 Then rs31.Close
rs31.Open "select * from 系部表 where 系部编号='" + Trim(Text1) + "'", cnn, 3, 3
rs31.Find "系部编号 like '" & Text1 & "'"

If rs31.EOF Then
   MsgBox ""
Else
rs31.Delete
rs31.Update
MsgBox "删除信息成功！"
Text1 = ""
Combo1.Text = ""
End If
End Sub


Private Sub Command4_Click()
Me.Hide
End Sub


Private Sub Form_Load()
Dim rs15 As New Recordset
rs15.Open "select * from 系部表", cnn, 3, 1
Do While Not rs15.EOF
Combo1.AddItem rs15("系部名称")
rs15.MoveNext
Loop
rs15.Close
End Sub