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📄 修改班级信息.frm

📁 学生信息管理系统 毕业设计 vb+sql
💻 FRM
字号:
VERSION 5.00
Begin VB.Form Form6 
   Caption         =   "修改班级信息"
   ClientHeight    =   5190
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   7740
   LinkTopic       =   "Form6"
   MDIChild        =   -1  'True
   Picture         =   "修改班级信息.frx":0000
   ScaleHeight     =   5190
   ScaleWidth      =   7740
   WindowState     =   2  'Maximized
   Begin VB.ComboBox cbograde 
      BackColor       =   &H00E0E0E0&
      Height          =   300
      Left            =   4560
      TabIndex        =   14
      Top             =   600
      Width           =   2295
   End
   Begin VB.TextBox txtroom 
      BackColor       =   &H00E0E0E0&
      Height          =   495
      Left            =   4560
      TabIndex        =   13
      Text            =   " "
      Top             =   1440
      Width           =   2295
   End
   Begin VB.TextBox txtdirector 
      BackColor       =   &H00E0E0E0&
      Height          =   495
      Left            =   1200
      TabIndex        =   12
      Text            =   " "
      Top             =   1440
      Width           =   1935
   End
   Begin VB.TextBox txtclass 
      BackColor       =   &H00E0E0E0&
      Height          =   495
      Left            =   1200
      TabIndex        =   11
      Top             =   600
      Width           =   1935
   End
   Begin VB.Frame Frame2 
      BackColor       =   &H00E0E0E0&
      Caption         =   "修改班级信息"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   855
      Left            =   240
      TabIndex        =   1
      Top             =   3600
      Width           =   7095
      Begin VB.CommandButton cmdexit 
         BackColor       =   &H00C0C0C0&
         Caption         =   "退   出"
         Height          =   375
         Left            =   5760
         Style           =   1  'Graphical
         TabIndex        =   6
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmddelete 
         BackColor       =   &H00C0C0C0&
         Caption         =   "删除记录"
         Height          =   375
         Left            =   4320
         Style           =   1  'Graphical
         TabIndex        =   5
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdcancel 
         BackColor       =   &H00C0C0C0&
         Caption         =   "退出修改"
         Height          =   375
         Left            =   2880
         Style           =   1  'Graphical
         TabIndex        =   4
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdupdata 
         BackColor       =   &H00C0C0C0&
         Caption         =   "更新数据"
         Height          =   375
         Left            =   1440
         Style           =   1  'Graphical
         TabIndex        =   3
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdedit 
         BackColor       =   &H00C0C0C0&
         Caption         =   "修改状态"
         Height          =   375
         Left            =   120
         Style           =   1  'Graphical
         TabIndex        =   2
         Top             =   360
         Width           =   1095
      End
   End
   Begin VB.Frame Frame1 
      BackColor       =   &H00E0E0E0&
      Caption         =   "查看班级信息"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   855
      Left            =   480
      TabIndex        =   0
      Top             =   2400
      Width           =   6615
      Begin VB.CommandButton cmdlast 
         BackColor       =   &H00C0C0C0&
         Caption         =   "最后一条"
         Height          =   375
         Left            =   5040
         Style           =   1  'Graphical
         TabIndex        =   10
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdnext 
         BackColor       =   &H00C0C0C0&
         Caption         =   "下一条"
         Height          =   375
         Left            =   3600
         Style           =   1  'Graphical
         TabIndex        =   9
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdprevious 
         BackColor       =   &H00C0C0C0&
         Caption         =   "上一条"
         Height          =   375
         Left            =   1920
         Style           =   1  'Graphical
         TabIndex        =   8
         Top             =   360
         Width           =   1215
      End
      Begin VB.CommandButton cmdfirst 
         BackColor       =   &H00C0C0C0&
         Caption         =   "第一条"
         Height          =   375
         Left            =   360
         Style           =   1  'Graphical
         TabIndex        =   7
         Top             =   360
         Width           =   1095
      End
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "班主任"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   615
      Left            =   240
      TabIndex        =   18
      Top             =   1560
      Width           =   1095
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "班级"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   495
      Left            =   480
      TabIndex        =   17
      Top             =   720
      Width           =   615
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "年级"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   495
      Left            =   3600
      TabIndex        =   16
      Top             =   600
      Width           =   735
   End
   Begin VB.Label Label4 
      BackStyle       =   0  'Transparent
      Caption         =   "教室"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H000000FF&
      Height          =   615
      Left            =   3600
      TabIndex        =   15
      Top             =   1440
      Width           =   615
   End
End
Attribute VB_Name = "Form6"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim mcclean As Boolean
Dim sflag As String
Dim mrc As Adodb.Recordset
Private Sub cmdcancel_Click()
If Not mcclean Then
   cmdfirst.Enabled = True
   cmdprevious.Enabled = True
   cmdnext.Enabled = True
   cmdlast.Enabled = True
   txtclass.Enabled = False
   cbograde.Enabled = False
   txtdirector.Enabled = False
   txtroom.Enabled = False
   mcclean = True
End If
Call viewdata
FrmMain.StatusBarmy.Panels.Item(1).Text = ""

End Sub

Private Sub cmddelete_Click()
sflag = MsgBox("是否删除当前记录?", vbOKCancel, "删除记录")
If sflag = vbOK Then
   mrc.MoveNext
   If mrc.EOF Then
     mrc.MovePrevious
     mrc.Delete
   Else
     mrc.MovePrevious
     mrc.Delete
     FrmMain.StatusBarmy.Panels.Item(1).Text = "成功删除!"
     mrc.MoveFirst
  End If
Else
  Exit Sub
End If
End Sub

Private Sub cmdexit_Click()
Me.Hide
End Sub

Private Sub cmdfirst_Click()
mrc.MoveFirst
Call viewdata
End Sub

Private Sub cmdlast_Click()
mrc.MoveLast
Call viewdata
End Sub

Private Sub cmdnext_Click()
mrc.MoveNext
If mrc.EOF Then
   mrc.MoveFirst
End If
Call viewdata
End Sub

Private Sub cmdprevious_Click()
mrc.MovePrevious
If mrc.BOF Then
  mrc.MoveLast
End If
Call viewdata
End Sub
Private Sub cmdedit_click()
mcclean = False
cmdfirst.Enabled = False
cmdprevious.Enabled = False
cmdnext.Enabled = False
cmdlast.Enabled = False
txtclass.Enabled = True
cbograde.Enabled = True
txtdirector.Enabled = True
txtroom.Enabled = True
sflag = txtclass.Text
FrmMain.StatusBarmy.Panels.Item(1).Text = "当前是修改状态"

End Sub


Private Sub cmdupdata_Click()
Dim txtsql As String
Dim msgtext As String
Dim mrc As Adodb.Recordset
If mcclean Then
   FrmMain.StatusBarmy.Panels.Item(1).Text = "请先点击修改记录按钮,进入修改状态"
   Exit Sub
End If
If Not testtxt(txtclass.Text) Then
  FrmMain.StatusBarmy.Panels.Item(1).Text = "请输入班级!"
  txtclass.SetFocus
  Exit Sub
End If
If Not testtxt(cbograde.Text) Then
  FrmMain.StatusBarmy.Panels.Item(1).Text = "请选择年级!"
  cbograde.SetFocus
  Exit Sub
End If
If Not testtxt(txtdirector.Text) Then
  FrmMain.StatusBarmy.Panels.Item(1).Text = "请输入班主任!"
  txtdirector.SetFocus
  Exit Sub
End If
If Not testtxt(txtroom.Text) Then
  FrmMain.StatusBarmy.Panels.Item(1).Text = "请输入教室!"
  txtroom.SetFocus
  Exit Sub
End If
txtsql = "select * from class_info where class_no='" & Trim(txtclass.Text) & "'" & "and grade='" & Trim(cbograde.Text) & "'"
  Set mrc = executesql(txtsql, msgtext)
   txtsql = "select * from class_info where class_no='" & Trim(sflag) & "'"
   Set mrc = executesql(txtsql, msgtext)
   mrc.Fields(0) = Trim(txtclass.Text)
   mrc.Fields(1) = Trim(cbograde.Text)
   mrc.Fields(2) = Trim(txtdirector.Text)
   mrc.Fields(3) = Trim(txtroom.Text)
   mrc.Update
   FrmMain.StatusBarmy.Panels.Item(1).Text = "修改班级信息成功!"
   cmdfirst.Enabled = True
   cmdprevious.Enabled = True
   cmdnext.Enabled = True
   cmdlast.Enabled = True
   txtclass.Enabled = False
   cbograde.Enabled = False
   txtdirector.Enabled = False
   txtroom.Enabled = False
   mcclean = True
End Sub

Private Sub Form_Load()
Dim txtsql As String
Dim msgtext As String
txtsql = "select * from class_info"
Set mrc = executesql(txtsql, msgtext)
mrc.MoveFirst
If mrc.EOF Then
  MsgBox "表信息已空!"
End If
Call viewdata
mcclean = True
txtclass.Enabled = False
cbograde.Enabled = False
txtdirector.Enabled = False
txtroom.Enabled = False
End Sub
Sub viewdata()
 txtclass.Text = mrc.Fields(0)
 cbograde.Text = mrc.Fields(1)
 txtdirector.Text = mrc.Fields(2)
 txtroom.Text = mrc.Fields(3)
End Sub




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