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📄 frmmodifydepinfo.frm

📁 数据库管理系统的实习内容
💻 FRM
字号:
VERSION 5.00
Begin VB.Form frmModifydepinfo 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "山东大学院系信息修改"
   ClientHeight    =   5910
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   6150
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   5910
   ScaleWidth      =   6150
   Begin VB.Frame Frame3 
      Caption         =   "修改院系信息"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1092
      Left            =   240
      TabIndex        =   12
      Top             =   4560
      Width           =   5655
      Begin VB.CommandButton deleteCommand 
         Caption         =   "删除记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   4200
         TabIndex        =   16
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cancelCommand 
         Caption         =   "取消修改记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   2640
         TabIndex        =   15
         Top             =   360
         Width           =   1335
      End
      Begin VB.CommandButton updateCommand 
         Caption         =   "更新数据"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   1440
         TabIndex        =   14
         Top             =   360
         Width           =   1095
      End
      Begin VB.CommandButton editCommand 
         Caption         =   "修改记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   240
         TabIndex        =   13
         Top             =   360
         Width           =   1095
      End
   End
   Begin VB.Frame Frame2 
      Caption         =   "查看院系信息"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1092
      Left            =   240
      TabIndex        =   7
      Top             =   3240
      Width           =   5655
      Begin VB.CommandButton lastCommand 
         Caption         =   "最后一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   4080
         TabIndex        =   11
         Top             =   360
         Width           =   1335
      End
      Begin VB.CommandButton nextCommand 
         Caption         =   "下一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   2640
         TabIndex        =   10
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton previousCommand 
         Caption         =   "上一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   1440
         TabIndex        =   9
         Top             =   360
         Width           =   1095
      End
      Begin VB.CommandButton firstCommand 
         Caption         =   "第一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   240
         TabIndex        =   8
         Top             =   360
         Width           =   1095
      End
   End
   Begin VB.Frame Frame1 
      Caption         =   "信息显示"
      Height          =   2895
      Left            =   240
      TabIndex        =   0
      Top             =   120
      Width           =   5655
      Begin VB.CommandButton Command1 
         Caption         =   "刷新(&R)"
         Height          =   375
         Left            =   4440
         TabIndex        =   18
         Top             =   360
         Width           =   975
      End
      Begin VB.CommandButton cmdExit 
         Caption         =   "退出(&X)"
         Height          =   375
         Left            =   4440
         TabIndex        =   17
         Top             =   1080
         Width           =   975
      End
      Begin VB.TextBox txtDepartdes 
         Height          =   735
         Left            =   1320
         MultiLine       =   -1  'True
         ScrollBars      =   2  'Vertical
         TabIndex        =   6
         Top             =   1800
         Width           =   3735
      End
      Begin VB.TextBox txtDepartname 
         Height          =   375
         Left            =   1320
         TabIndex        =   5
         Top             =   1080
         Width           =   2775
      End
      Begin VB.TextBox txtDepartno 
         Height          =   375
         Left            =   1320
         TabIndex        =   4
         Top             =   360
         Width           =   2775
      End
      Begin VB.Label Label3 
         Caption         =   "院系描述"
         Height          =   375
         Left            =   240
         TabIndex        =   3
         Top             =   1920
         Width           =   1095
      End
      Begin VB.Label Label2 
         Caption         =   "院系名"
         Height          =   495
         Left            =   240
         TabIndex        =   2
         Top             =   1080
         Width           =   1215
      End
      Begin VB.Label Label1 
         Caption         =   "院系号"
         Height          =   375
         Left            =   240
         TabIndex        =   1
         Top             =   480
         Width           =   1215
      End
   End
End
Attribute VB_Name = "frmModifydepinfo"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Dim mrc As ADODB.Recordset
Dim myBookmark As Variant
Dim mcclean As Boolean


Private Sub cancelCommand_Click()
    If Not mcclean Then
        Frame2.Enabled = True
        firstCommand.Enabled = True
        previousCommand.Enabled = True
        nextCommand.Enabled = True
        lastCommand.Enabled = True
            
        txtDepartno.Enabled = False
        txtDepartname.Enabled = False
        txtDepartdes.Enabled = False
        
        mrc.Bookmark = myBookmark
        Call viewData
    Else
        MsgBox "您没有修改信息!", vbOKOnly + vbExclamation, "提示"
    End If
End Sub

Private Sub cmdExit_Click()
Unload Me
End Sub

Private Sub Command1_Click()
 Dim txtSQL As String
    Dim MsgText As String
    
    txtDepartno.Enabled = False
    txtDepartname.Enabled = False
    txtDepartdes.Enabled = False
    
    txtSQL = "select * from college_Info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    mrc.MoveFirst
    Call viewData
    myBookmark = mrc.Bookmark
    mcclean = True
End Sub

Private Sub deleteCommand_Click()
    myBookmark = mrc.Bookmark
    str2$ = MsgBox("是否删除当前记录?", vbOKCancel, "删除当前记录")
    If str2$ = vbOK Then
            mrc.MoveNext
            If mrc.EOF Then
                mrc.MoveFirst
                myBookmark = mrc.Bookmark
                mrc.MoveLast
                mrc.Delete
                mrc.Bookmark = myBookmark
                Call viewData
            Else
                myBookmark = mrc.Bookmark
                mrc.MovePrevious
                mrc.Delete
                mrc.Bookmark = myBookmark
                Call viewData
            End If
    Else
        mrc.Bookmark = myBookmark
        Call viewData
    End If
End Sub

Private Sub editCommand_Click()
    mcclean = False
    Frame2.Enabled = False
    firstCommand.Enabled = False
    previousCommand.Enabled = False
    nextCommand.Enabled = False
    lastCommand.Enabled = False
        
    
    txtDepartname.Enabled = True
    txtDepartdes.Enabled = True
    
    
    myBookmark = mrc.Bookmark
End Sub

Private Sub firstCommand_Click()
    mrc.MoveFirst
    Call viewData
End Sub

Private Sub Form_Load()
    Dim txtSQL As String
    Dim MsgText As String
    
    txtDepartno.Enabled = False
    txtDepartname.Enabled = False
    txtDepartdes.Enabled = False
    
    txtSQL = "select * from college_Info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    mrc.MoveFirst
    Call viewData
    myBookmark = mrc.Bookmark
    mcclean = True
End Sub

Public Sub viewData()
    txtDepartno.Text = mrc.Fields(0)
    txtDepartname.Text = mrc.Fields(1)
    txtDepartdes.Text = mrc.Fields(2)
    
End Sub

Private Sub lastCommand_Click()
    mrc.MoveLast
    Call viewData
End Sub

Private Sub nextCommand_Click()
    mrc.MoveNext
    If mrc.EOF Then
        mrc.MoveFirst
    End If
    Call viewData
End Sub

Private Sub previousCommand_Click()
    mrc.MovePrevious
    If mrc.BOF Then
        mrc.MoveLast
    End If
    Call viewData
End Sub

Private Sub updateCommand_Click()
    Dim txtSQL As String
    Dim MsgText As String
    Dim mrcc As ADODB.Recordset
    
    If mcclean Then
        MsgBox "请先修改院系信息", vbOKOnly + vbExclamation, "提示"
        Exit Sub
    End If
    
    If Not Testtxt(txtDepartno.Text) Then
        MsgBox "请输入院系编号!", vbOKOnly + vbExclamation, "提示"
        txtDepartno.SetFocus
        Exit Sub
    End If
    
    If Not IsNumeric(Trim(txtDepartno.Text)) Then
        MsgBox "院系编号请输入数字!", vbOKOnly + vbExclamation, "提示"
        txtDepartno.SetFocus
        Exit Sub
    End If
    
    If Not Testtxt(txtDepartname.Text) Then
        MsgBox "请输入院系名称!", vbOKOnly + vbExclamation, "提示"
        txtDepartname.SetFocus
        Exit Sub
    End If
        
    If Not Testtxt(txtDepartdes.Text) Then
        MsgBox "请输入院系描述信息!", vbOKOnly + vbExclamation, "提示"
        txtDepartdes.SetFocus
        Exit Sub
    End If
    
    mrc.Delete
    txtSQL = "select * from college_Info where college_No = '" & Trim(txtDepartno.Text) & "'"
    Set mrcc = ExecuteSQL(txtSQL, MsgText)
    If mrcc.EOF = False Then
        MsgBox "院系编号重复,请重新输入!", vbOKOnly + vbExclamation, "提示"
        mrcc.Close
        txtDepartno.SetFocus
    Else
        mrcc.Close
        mrc.AddNew
        mrc.Fields(0) = Trim(txtDepartno.Text)
        mrc.Fields(1) = Trim(txtDepartname.Text)
        mrc.Fields(2) = Trim(txtDepartdes.Text)
        mrc.Update
        MsgBox "修改院系信息成功!", vbOKOnly + vbExclamation, "恭喜"
        mrc.Bookmark = myBookmark
        Call viewData
        Frame2.Enabled = True
        firstCommand.Enabled = True
        previousCommand.Enabled = True
        nextCommand.Enabled = True
        lastCommand.Enabled = True
        
        txtDepartno.Enabled = False
        txtDepartname.Enabled = False
        txtDepartdes.Enabled = False
                
        mcclean = True
    End If
End Sub

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