frmclassedit.frm

这是一个国内通用的学生管理系统!包括院系,学生基本信息,照片,成绩,课程等多方面的管理系统

VERSION 5.00
Begin VB.Form FrmClassEdit 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "编辑部门信息"
   ClientHeight    =   3195
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4680
   Icon            =   "FrmClassEdit.frx":0000
   LinkTopic       =   "Form1"
   LockControls    =   -1  'True
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Cmd_Cancel 
      Cancel          =   -1  'True
      Caption         =   "取 消"
      Height          =   400
      Left            =   2493
      MouseIcon       =   "FrmClassEdit.frx":0CCA
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   3
      Top             =   2640
      Width           =   1300
   End
   Begin VB.CommandButton Cmd_Ok 
      Caption         =   "确 定"
      Height          =   400
      Left            =   888
      MouseIcon       =   "FrmClassEdit.frx":0FD4
      MousePointer    =   99  'Custom
      Style           =   1  'Graphical
      TabIndex        =   2
      Top             =   2640
      Width           =   1300
   End
   Begin VB.Frame Frame1 
      BackColor       =   &H80000004&
      Height          =   2295
      Left            =   240
      TabIndex        =   4
      Top             =   120
      Width           =   4215
      Begin VB.TextBox txtDescribe 
         Height          =   855
         Left            =   1080
         MultiLine       =   -1  'True
         ScrollBars      =   2  'Vertical
         TabIndex        =   1
         Text            =   "FrmClassEdit.frx":12DE
         Top             =   1320
         Width           =   2895
      End
      Begin VB.TextBox txtClass 
         Height          =   270
         Left            =   1080
         MaxLength       =   20
         TabIndex        =   0
         Top             =   795
         Width           =   2895
      End
      Begin VB.Label Label3 
         AutoSize        =   -1  'True
         BackColor       =   &H00FFC0C0&
         BackStyle       =   0  'Transparent
         Caption         =   "具体描述"
         Height          =   180
         Left            =   120
         TabIndex        =   8
         Top             =   1320
         Width           =   720
      End
      Begin VB.Label lblUpper 
         AutoSize        =   -1  'True
         BackColor       =   &H00FFC0C0&
         BackStyle       =   0  'Transparent
         Caption         =   "lblUpper"
         Height          =   180
         Left            =   1080
         TabIndex        =   7
         Top             =   360
         Width           =   720
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         BackColor       =   &H00FFC0C0&
         BackStyle       =   0  'Transparent
         Caption         =   "上级院系"
         Height          =   180
         Left            =   120
         TabIndex        =   6
         Top             =   360
         Width           =   720
      End
      Begin VB.Label Label2 
         AutoSize        =   -1  'True
         BackColor       =   &H00FFC0C0&
         BackStyle       =   0  'Transparent
         Caption         =   "院系名称"
         Height          =   180
         Left            =   120
         TabIndex        =   5
         Top             =   840
         Width           =   720
      End
   End
End
Attribute VB_Name = "FrmClassEdit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public Modify As Boolean

Private Sub Cmd_OK_Click()
  '检查用户录入数据的有效性
  If Trim(txtClass) = "" Then
    MsgBox "请输入院系班级名称"
    Exit Sub
  End If
  '将新输入的数据保存到类变量中
  With MyClass
  .Class_Name = MakeStr(txtClass)
  .Describe = MakeStr(txtDescribe)
  '根据变量Modify决定是插入新数据，还是修改已有的数据
  If Modify = False Then '插入
    '调用In_DB()函数判断用户输入的名称是否已经存在
    If .In_DB(.Class_Name) = True Then
      MsgBox Trim(txtClass) + " 已经存在"
      Exit Sub
    End If
    'CurClass中保存在院系班级管理窗体中选中的院系班级信息
    '当插入新记录时，新记录将做为当前院系班级的下级院系班级
    .UpperId = CurClass.Class_Id
    Bh = .Insert
    '生成TreeView中一个结点的关键字
    Tmp_Key = "a" + Trim(Str(Bh))
    '设置结点的图像
    FrmClassMan.TreeView1.SelectedItem.Image = 1
    FrmClassMan.TreeView1.SelectedItem.ExpandedImage = 2
    FrmClassMan.TreeView1.SelectedItem.SelectedImage = 3
    '在树中添加一个结点
    Set TmpNode = FrmClassMan.TreeView1.Nodes.Add(FrmClassMan.TreeView1.SelectedItem.Key, _
          tvwChild, Tmp_Key, .Class_Name, 4, 5)
    TmpNode.Selected = True
  Else '修改
    If CurClass.Class_Name <> Trim(txtClass) Then
      If .In_DB(Trim(txtClass)) = True Then
        MsgBox Trim(txtClass) + " 已经存在"
        Exit Sub
      End If
    End If
    '当修改记录时，不能改变上下级之间的关系
    .UpperId = CurClass.UpperId
    .Update (CurClass.Class_Id)
    If CurClass.Class_Name <> Trim(txtClass) Then
      FrmClassMan.TreeView1.SelectedItem.Text = Trim(txtClass)
    End If
    '设置CurClass变量
    CurClass.Class_Name = Trim(txtClass)
  End If
  End With
  '关闭窗口
  Unload Me
End Sub

Private Sub Cmd_Cancel_Click()
  Unload Me
End Sub

Private Sub txtClass_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub