frmaddschoolinfo.frm

数据库管理系统的实习内容

VERSION 5.00
Begin VB.Form frmAddschoolinfo 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "山东大学校区信息添加"
   ClientHeight    =   4290
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   5700
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   4290
   ScaleWidth      =   5700
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定(&O)"
      Height          =   375
      Left            =   480
      TabIndex        =   5
      Top             =   3720
      Width           =   975
   End
   Begin VB.CommandButton cmdRefresh 
      Caption         =   "刷新(&R)"
      Height          =   375
      Left            =   2400
      TabIndex        =   4
      Top             =   3720
      Width           =   975
   End
   Begin VB.CommandButton cmdCancel 
      Caption         =   "取消(&X)"
      Height          =   375
      Left            =   4200
      TabIndex        =   3
      Top             =   3720
      Width           =   975
   End
   Begin VB.TextBox txtSchooldes 
      Height          =   1215
      Left            =   1800
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   2
      Top             =   2040
      Width           =   2655
   End
   Begin VB.TextBox txtSchoolname 
      Height          =   375
      Left            =   1800
      TabIndex        =   1
      Top             =   1320
      Width           =   2655
   End
   Begin VB.TextBox txtSchoolno 
      Height          =   375
      Left            =   1800
      TabIndex        =   0
      Top             =   600
      Width           =   2655
   End
   Begin VB.Frame Frame1 
      Caption         =   "校区信息"
      Height          =   3375
      Left            =   480
      TabIndex        =   6
      Top             =   120
      Width           =   4695
      Begin VB.Label Label1 
         Caption         =   "校区号"
         Height          =   375
         Left            =   360
         TabIndex        =   9
         Top             =   600
         Width           =   1215
      End
      Begin VB.Label Label2 
         Caption         =   "校区名"
         Height          =   495
         Left            =   360
         TabIndex        =   8
         Top             =   1320
         Width           =   1215
      End
      Begin VB.Label Label3 
         Caption         =   "校区地址"
         Height          =   375
         Left            =   360
         TabIndex        =   7
         Top             =   2040
         Width           =   1095
      End
   End
End
Attribute VB_Name = "frmAddschoolinfo"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdOK_Click()
    Dim mrc As ADODB.Recordset
    Dim MsgText As String
    Dim txtSQL As String
    
    If Not Testtxt(txtSchoolno.Text) Then
        MsgBox "请输入校区编号！", vbOKOnly + vbExclamation, "提示"
        txtSchoolno.SetFocus
        Exit Sub
    End If
    
    If Not Testtxt(txtSchoolname.Text) Then
        MsgBox "请输入校区名称！", vbOKOnly + vbExclamation, "提示"
        txtSchoolname.SetFocus
        Exit Sub
    End If
        
    If Not Testtxt(txtSchooldes.Text) Then
        MsgBox "请输入校区描述信息！", vbOKOnly + vbExclamation, "提示"
        txtSchooldes.SetFocus
        Exit Sub
    End If
    
    If Not IsNumeric(Trim(txtSchoolno.Text)) Then
        MsgBox "请输入数字编号！", vbOKOnly + vbExclamation, "提示"
        Exit Sub
        txtSchoolno.SetFocus
    End If
    
    txtSQL = "select * from School_Info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    
    While (mrc.EOF = False)
        If (Trim(mrc.Fields(0)) = Trim(txtSchoolno.Text)) Then
            MsgBox "校区编号已经存在，请重新输入校区编号！", vbOKOnly + vbExclamation, "提示"
            txtSchoolno.Text = ""
            txtSchoolno.SetFocus
            Exit Sub
        Else
            mrc.MoveNext
        End If
    Wend
    
    mrc.AddNew
    mrc.Fields(0) = Trim(txtSchoolno.Text)
    mrc.Fields(1) = Trim(txtSchoolname.Text)
    mrc.Fields(2) = Trim(txtSchooldes.Text)
    mrc.Update
    mrc.Close
    MsgBox "添加校区信息成功！", vbOKOnly + vbExclamation, "添加校区信息"
 
    
    
End Sub

Private Sub cmdCancel_Click()
    Unload Me
End Sub

Private Sub cmdRefresh_Click()
    txtSchoolno.Text = ""
    txtSchoolname.Text = ""
    txtSchooldes.Text = ""
End Sub