frmmodifyresult.frm

用于学生管理的信息系统

         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   252
      Left            =   3600
      TabIndex        =   8
      Top             =   1560
      Width           =   1332
   End
   Begin VB.Label Label5 
      Caption         =   "选择课程："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.8
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   252
      Left            =   480
      TabIndex        =   7
      Top             =   1560
      Width           =   1212
   End
   Begin VB.Label Label6 
      Caption         =   "考试编号："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.8
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   252
      Left            =   480
      TabIndex        =   6
      Top             =   480
      Width           =   1212
   End
End
Attribute VB_Name = "frmModifyresult"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim mrc As ADODB.Recordset
Dim myBookmark As Variant

Private Sub cancelCommand_Click()
    mrc.Bookmark = myBookmark
    Call viewData
        
    firstCommand.Enabled = True
    lastCommand.Enabled = True
    previousCommand.Enabled = True
    nextCommand.Enabled = True
    
    updateCommand.Enabled = False
    cancelCommand.Enabled = False
    
    comboExamtype.Enabled = False
    comboClassno.Enabled = False
    comboSID.Enabled = False
    comboCourse.Enabled = False
    txtName.Enabled = False
    txtResult.Enabled = False
    
End Sub

Private Sub comboSID_Click()
    Dim mrcc As ADODB.Recordset
    Dim txtSQL As String
    Dim MsgText As String
    
    txtSQL = "select * from student_Info where student_ID = '" & comboSID.Text & "'"
    Set mrcc = ExecuteSQL(txtSQL, MsgText)
    txtName.Text = mrcc!student_Name
    mrcc.Close
    
End Sub



Private Sub deleteCommand_Click()
    Dim MsgText As String
    
    myBookmark = mrc.Bookmark
    str2$ = MsgBox("是否删除当前记录？", vbOKCancel, "删除当前记录")
    If str2$ = vbOK Then
            mrc.MoveNext
            If mrc.EOF Then
                mrc.MoveFirst
                myBookmark = mrc.Bookmark
                mrc.MoveLast
                mrc.Delete
                mrc.Close
                
                txtSQL = "select * from result_Info"
                Set mrc = ExecuteSQL(txtSQL, MsgText)
                mrc.MoveLast
                Call viewData
            Else
                myBookmark = mrc.Bookmark
                mrc.MovePrevious
                mrc.Delete
                mrc.Close
                
                txtSQL = "select * from result_Info"
                Set mrc = ExecuteSQL(txtSQL, MsgText)
                mrc.MoveLast
                Call viewData
            End If
    Else
        mrc.Bookmark = myBookmark
        Call viewData
    End If
End Sub

Private Sub editCommand_Click()
    Dim mrcc As ADODB.Recordset
    Dim txtSQL As String
    Dim MsgText As String
    
    
    
    firstCommand.Enabled = False
    lastCommand.Enabled = False
    previousCommand.Enabled = False
    nextCommand.Enabled = False
    
    updateCommand.Enabled = True
    cancelCommand.Enabled = True
    
    comboExamtype.Enabled = True
    comboClassno.Enabled = True
    comboSID.Enabled = True
    comboCourse.Enabled = True
    txtName.Enabled = True
    txtResult.Enabled = True
    
    comboExamtype.AddItem "2000期中"
    comboExamtype.AddItem "2000期末"
    comboExamtype.AddItem "2001期中"
    comboExamtype.AddItem "2001期末"
    
    txtSQL = "select * from class_Info "
    Set mrcc = ExecuteSQL(txtSQL, MsgText)
    While (mrcc.EOF = False)
        comboClassno.AddItem mrcc!class_No
        mrcc.MoveNext
    Wend
    mrcc.Close
    myBookmark = mrc.Bookmark
    
End Sub

Private Sub firstCommand_Click()
    mrc.MoveFirst
    Call viewData
End Sub

Private Sub Form_Load()
    Dim txtSQL As String
    Dim MsgText As String
    
    comboExamtype.Enabled = False
    comboClassno.Enabled = False
    comboSID.Enabled = False
    comboCourse.Enabled = False
    txtName.Enabled = False
    txtResult.Enabled = False
    updateCommand.Enabled = False
    cancelCommand.Enabled = False
    
    
    txtSQL = "select * from result_Info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    
    If mrc.EOF = False Then
        mrc.MoveFirst
        Call viewData
        myBookmark = mrc.Bookmark
    Else
        MsgBox "没有纪录！", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    
    
End Sub

Public Sub viewData()
    comboExamtype.Text = mrc!exam_No
    comboClassno.Text = mrc!class_No
    comboSID.Text = mrc!student_ID
    comboCourse.Text = mrc!course_Name
    txtName.Text = mrc!student_Name
    txtResult.Text = mrc!result
End Sub




    
Private Sub lastCommand_Click()
    mrc.MoveLast
    Call viewData
End Sub

Private Sub nextCommand_Click()
    mrc.MoveNext
    If mrc.EOF Then
        mrc.MoveFirst
    End If
    Call viewData
End Sub

Private Sub previousCommand_Click()
    mrc.MovePrevious
    If mrc.BOF Then
        mrc.MoveLast
    End If
    Call viewData
End Sub

Private Sub updateCommand_Click()
    Dim MsgText As String
    
    
      
        
    If Not Testtxt(comboExamtype.Text) Then
        MsgBox "请输入考试编号!", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    
    If Not Testtxt(comboClassno.Text) Then
        MsgBox "请选择班号!", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    
    If Not Testtxt(comboSID.Text) Then
        MsgBox "请选择学号!", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    
    If Not Testtxt(comboCourse.Text) Then
        MsgBox "请选择课程!", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    
    If Not Testtxt(txtResult.Text) Then
        MsgBox "请输入分数!", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    
    If Not IsNumeric(txtResult.Text) Then
        MsgBox "分数请输入数字!", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    End If
    
    
        mrc.Fields(0) = comboExamtype.Text
        mrc.Fields(1) = comboSID.Text
        mrc.Fields(2) = txtName.Text
        mrc.Fields(3) = comboClassno.Text
        mrc.Fields(4) = comboCourse.Text
        mrc.Fields(5) = txtResult.Text
        mrc.Update
        mrc.Close
       
        MsgBox "修改成绩成功！", vbOKOnly + vbExclamation, "警告"
        comboExamtype.Clear
        comboClassno.Clear
        comboSID.Clear
        comboCourse.Clear
        
        txtSQL = "select * from result_Info"
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        
        mrc.MoveLast
        Call viewData
        
        firstCommand.Enabled = True
        lastCommand.Enabled = True
        previousCommand.Enabled = True
        nextCommand.Enabled = True
    
        updateCommand.Enabled = False
        cancelCommand.Enabled = False
    
        comboExamtype.Enabled = False
        comboClassno.Enabled = False
        comboSID.Enabled = False
        comboCourse.Enabled = False
        txtName.Enabled = False
        txtResult.Enabled = False
        
        
   
    
    
    
End Sub

Private Sub comboClassno_Click()
    Dim mrcc As ADODB.Recordset
    Dim txtSQL As String
    Dim MsgText As String
    
    
    
    
    txtSQL = "select * from student_Info where class_NO = '" & comboClassno.Text & "'"
    Set mrcc = ExecuteSQL(txtSQL, MsgText)
    While (mrcc.EOF = False)
        comboSID.AddItem mrcc!student_ID
        mrcc.MoveNext
    Wend
    mrcc.Close
    
    txtSQL = "select * from class_Info where class_No = '" & comboClassno.Text & "'"
    Set mrcc = ExecuteSQL(txtSQL, MsgText)
    Grade = mrcc!Grade
    mrcc.Close
    
    txtSQL = "select * from gradecourse_Info where grade = '" & Grade & "'"
    Set mrcc = ExecuteSQL(txtSQL, MsgText)
    While (mrcc.EOF = False)
        comboCourse.AddItem mrcc!course_Name
        mrcc.MoveNext
    Wend
    mrcc.Close
    
    
    
End Sub