editstud.frm

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VERSION 5.00
Begin VB.Form Form3 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "学生信息输入"
   ClientHeight    =   3030
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4005
   BeginProperty Font 
      Name            =   "Times New Roman"
      Size            =   9
      Charset         =   0
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form3"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3030
   ScaleWidth      =   4005
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取    消"
      Height          =   375
      Left            =   2880
      TabIndex        =   12
      Top             =   2520
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "保    存"
      Height          =   375
      Left            =   2880
      TabIndex        =   11
      Top             =   1920
      Width           =   975
   End
   Begin VB.TextBox Text5 
      Height          =   375
      Left            =   1200
      TabIndex        =   4
      Top             =   2280
      Width           =   495
   End
   Begin VB.TextBox Text3 
      Height          =   375
      Left            =   1200
      TabIndex        =   2
      Top             =   1320
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   1200
      TabIndex        =   1
      Top             =   840
      Width           =   1335
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1200
      TabIndex        =   0
      Top             =   360
      Width           =   1455
   End
   Begin VB.Frame Frame1 
      Caption         =   "学生情况"
      Height          =   2775
      Left            =   120
      TabIndex        =   5
      Top             =   120
      Width           =   2655
      Begin VB.TextBox Text4 
         Height          =   375
         Left            =   1080
         TabIndex        =   3
         Top             =   1680
         Width           =   1095
      End
      Begin VB.Label Label5 
         Caption         =   "借阅量"
         Height          =   375
         Left            =   240
         TabIndex        =   10
         Top             =   2280
         Width           =   735
      End
      Begin VB.Label Label4 
         Caption         =   "专业"
         Height          =   375
         Left            =   240
         TabIndex        =   9
         Top             =   1800
         Width           =   615
      End
      Begin VB.Label Label3 
         Caption         =   "班 级"
         Height          =   375
         Left            =   240
         TabIndex        =   8
         Top             =   1320
         Width           =   735
      End
      Begin VB.Label Label2 
         Caption         =   "姓 名"
         Height          =   375
         Left            =   240
         TabIndex        =   7
         Top             =   840
         Width           =   735
      End
      Begin VB.Label Label1 
         Caption         =   "学 号"
         Height          =   375
         Left            =   240
         TabIndex        =   6
         Top             =   360
         Width           =   735
      End
   End
End
Attribute VB_Name = "Form3"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False


Private Sub Command1_Click()     '确定
Dim result As Integer
Dim i, J As Integer


'排错处理
If Text1.text = "" Then
   result = MsgBox("学号栏空！", 48, "提示")
   Exit Sub
End If
If Text2.text = "" Then
   result = MsgBox("姓名栏空！", 48, "提示")
   Exit Sub
End If
If Text3.text = "" Then
   result = MsgBox("班级栏空！", 48, "提示")
   Exit Sub
End If
If Text4.text = "" Then
   result = MsgBox("专业栏空！", 48, "提示")
   Exit Sub
End If
If Not IsNumeric(Text5.text) Then
   result = MsgBox("请输入借阅量！", 48, "提示")
   Exit Sub
End If

'增加记录时，检验关键字是否已存在
If flag2 = True Then
   form2.Data1.Recordset.MoveLast
   form2.Data1.Recordset.MoveFirst
   For J = 1 To form2.Data1.Recordset.RecordCount
       If form2.Data1.Recordset.Fields("学号") = Text1.text Then
          result = MsgBox("此学号已存在，请重新输入！", 48, "提示")
          Exit Sub
       End If
       form2.Data1.Recordset.MoveNext
   Next J
End If
If flag2 = True Then '添加新记录
   form2!Data1.Recordset.AddNew
Else   '修改记录
   form2!Data1.Recordset.Edit
End If
'给各个字段赋值
form2.Data1.Recordset.Fields(0) = Text1.text
form2.Data1.Recordset.Fields(1) = Text2.text
form2.Data1.Recordset.Fields(2) = Text3.text
form2.Data1.Recordset.Fields(3) = Text4.text
form2.Data1.Recordset.Fields(4) = Text5.text

form2.Data1.Recordset.Update       '更新记录
form2.Data1.Refresh  '更新数据库

Unload Form3
End Sub

Private Sub Command2_Click()   '退出
Unload Me
End Sub

Private Sub Form_Load()        '装载窗体
If flag2 = True Then
   Text1.text = ""    '添加操作时，对调入界面的初始化
   Text2.text = ""
   Text3.text = ""
   Text4.text = ""
   Text5.text = ""
Else
   Text1.text = form2.Data1.Recordset.Fields(0)  '修改操作时，对调入界面的初始化
   Text2.text = form2.Data1.Recordset.Fields(1)
   Text3.text = form2.Data1.Recordset.Fields(2)
   Text4.text = form2.Data1.Recordset.Fields(3)
   Text5.text = form2.Data1.Recordset.Fields(4)
End If
End Sub