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📄 addclass.frm

📁 学生信息管理系统2.0,增加了数据库的恢复和备份
💻 FRM
字号:
VERSION 5.00
Object = "{CE671F01-259E-40DA-92FE-95803E2ECBB5}#1.0#0"; "SmartXPButton.ocx"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form addclass 
   BackColor       =   &H00E7DFE7&
   Caption         =   "添加班级"
   ClientHeight    =   4380
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   8085
   Icon            =   "addclass.frx":0000
   LinkTopic       =   "Form1"
   ScaleHeight     =   4380
   ScaleWidth      =   8085
   StartUpPosition =   2  '屏幕中心
   Begin SmartXPButton.XpButton XpButton2 
      Height          =   495
      Left            =   1920
      TabIndex        =   9
      Top             =   3480
      Width           =   1215
      _ExtentX        =   2143
      _ExtentY        =   873
      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
      Caption         =   "取消(&T)"
      PictureSmoothBackColor=   15460844
      ButtonPicture   =   "addclass.frx":0A02
   End
   Begin SmartXPButton.XpButton XpButton1 
      Height          =   495
      Left            =   360
      TabIndex        =   8
      Top             =   3480
      Width           =   1215
      _ExtentX        =   2143
      _ExtentY        =   873
      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
      Caption         =   "添加(&T)"
      PictureSmoothBackColor=   15460844
      ButtonPicture   =   "addclass.frx":1414
   End
   Begin VB.TextBox Text3 
      Height          =   375
      Left            =   1320
      TabIndex        =   2
      Top             =   2520
      Width           =   1455
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   1320
      TabIndex        =   1
      Top             =   1680
      Width           =   1695
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1320
      TabIndex        =   0
      Top             =   960
      Width           =   1215
   End
   Begin MSDataGridLib.DataGrid DataGrid1 
      Height          =   2730
      Left            =   3360
      TabIndex        =   4
      Top             =   960
      Width           =   4455
      _ExtentX        =   7858
      _ExtentY        =   4815
      _Version        =   393216
      AllowUpdate     =   0   'False
      BackColor       =   16777215
      ForeColor       =   -2147483642
      HeadLines       =   1
      RowHeight       =   18
      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            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      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 VB.Label Label4 
      BackStyle       =   0  'Transparent
      Caption         =   "班长学号:"
      Height          =   495
      Left            =   360
      TabIndex        =   7
      Top             =   2640
      Width           =   1215
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "班级名称"
      Height          =   495
      Left            =   360
      TabIndex        =   6
      Top             =   1800
      Width           =   855
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "班级编号:"
      Height          =   495
      Left            =   360
      TabIndex        =   5
      Top             =   1080
      Width           =   855
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "添加班级"
      BeginProperty Font 
         Name            =   "隶书"
         Size            =   21.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H80000002&
      Height          =   495
      Left            =   3120
      TabIndex        =   3
      Top             =   240
      Width           =   2055
   End
End
Attribute VB_Name = "addclass"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim myconn As New ADODB.Connection
Dim str As String
Dim MyRs As New ADODB.Recordset

Private Sub Form_Load()
Set myconn = New ADODB.Connection
myconn.ConnectionString = "driver={SQL Server};" & _
      "server=(local);uid=sa;pwd=;database=student_info"
myconn.Open
'***** 使用Recordset对象的Open方法创建记录集 *****
'MyRs.Open "manager", MyConn, adOpenStatic, adLockOptimistic, adCmdTable
 Set MyRs = New ADODB.Recordset
    With MyRs
    .Source = "class"
    .ActiveConnection = myconn
    .CursorType = adOpenKeyset
    .LockType = adLockOptimistic
    .Open , , , , adCmdTable
    End With
Set DataGrid1.DataSource = MyRs
DataGrid1.Columns(0).Caption = "班级编号"
DataGrid1.Columns(1).Caption = "班级名称"
DataGrid1.Columns(2).Caption = "班长学号"
DataGrid1.Columns(0).Width = 800
DataGrid1.Columns(1).Width = 1400
DataGrid1.Columns(2).Width = 1200
End Sub

Private Sub XpButton1_Click()
On Error GoTo DbnotOpen

If Len(Trim(Text1.Text)) <> 0 And Len(Trim(Text2.Text)) <> 0 And Len(Trim(Text3.Text)) <> 0 Then
 With MyRs
    .AddNew
    .Fields("ID") = Trim(Text1.Text)
    .Fields("NAME") = Trim(Text2.Text)
    .Fields("monitor") = Trim(Text3.Text)
    .Update
  End With
  Set DataGrid1.DataSource = MyRs
  DataGrid1.Columns(0).Caption = "班级编号"
  DataGrid1.Columns(1).Caption = "班级名称"
  DataGrid1.Columns(2).Caption = "班长学号"
  DataGrid1.Columns(0).Width = 800
  DataGrid1.Columns(1).Width = 1400
  DataGrid1.Columns(2).Width = 1200
  MsgBox "班级信息已添加成功!", vbOKOnly + vbInformation, "提示信息"
  Text1.Text = ""
  Text2.Text = ""
  Text3.Text = ""
  Text1.SetFocus
  Else
   MsgBox "班级信息没有填写完整!", vbOKOnly + vbExclamation, "错误提示"
End If
DbnotOpen:
    If Err = -2147217873 Then
       MsgBox "数据库中存在重复的记录!" & vbCrLf & vbCrLf & "添加班级失败!", vbOKOnly + vbExclamation, "错误提示"
       Set MyRs = New ADODB.Recordset
       With MyRs
         .Source = "class"
         .ActiveConnection = myconn
         .CursorType = adOpenKeyset
         .LockType = adLockOptimistic
        .Open , , , , adCmdTable
       End With
    Set DataGrid1.DataSource = MyRs
    DataGrid1.Columns(0).Caption = "班级编号"
    DataGrid1.Columns(1).Caption = "班级名称"
    DataGrid1.Columns(2).Caption = "班长学号"
    DataGrid1.Columns(0).Width = 800
    DataGrid1.Columns(1).Width = 1400
    DataGrid1.Columns(2).Width = 1200
    End If
    If Err = -2147217887 Then
        MsgBox "输入的班级编号或班级名称或者班长学号长度越界" & vbCrLf & "请重新输入!", vbInformation, "提示信息"
        Text1.SetFocus
        Text1.Text = ""
        Text2.Text = ""
        Text3.Text = ""
        Set MyRs = New ADODB.Recordset
    With MyRs
     .Source = "class"
     .ActiveConnection = myconn
     .CursorType = adOpenKeyset
     .LockType = adLockOptimistic
     .Open , , , , adCmdTable
    End With
    Set DataGrid1.DataSource = MyRs
    DataGrid1.Columns(0).Caption = "班级编号"
    DataGrid1.Columns(1).Caption = "班级名称"
    DataGrid1.Columns(2).Caption = "班长学号"
    DataGrid1.Columns(0).Width = 800
    DataGrid1.Columns(1).Width = 1400
    DataGrid1.Columns(2).Width = 1200
    Exit Sub
    End If
End Sub

Private Sub XpButton2_Click()
MyRs.Close
myconn.Close

Unload Me
End Sub

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