frmmodifyresult.frm

学生信息管理系统

   End
   Begin VB.Label Label5 
      AutoSize        =   -1  'True
      Caption         =   "选择课程"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   210
      Left            =   960
      TabIndex        =   7
      Top             =   1515
      Width           =   900
   End
   Begin VB.Label Label6 
      AutoSize        =   -1  'True
      Caption         =   "考试编号"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   210
      Left            =   960
      TabIndex        =   6
      Top             =   540
      Width           =   900
   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

    Frame2.Enabled = True
    firstCommand.Enabled = True
    previousCommand.Enabled = True
    nextCommand.Enabled = True
    lastCommand.Enabled = True
    
    editCommand.Enabled = True
    updateCommand.Enabled = False
    cancelCommand.Enabled = False
    deleteCommand.Enabled = True

    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()
    If mrc.RecordCount <> 1 Then
        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.Bookmark = myBookmark
                Call viewData
            Else
                myBookmark = mrc.Bookmark
                mrc.MovePrevious
                mrc.Delete
                mrc.Bookmark = myBookmark
                Call viewData
            End If
        Else
            mrc.Bookmark = myBookmark
            Call viewData
        End If
        Frame2.Enabled = True
        firstCommand.Enabled = True
        previousCommand.Enabled = True
        nextCommand.Enabled = True
        lastCommand.Enabled = True
    
        editCommand.Enabled = True
        updateCommand.Enabled = False
        cancelCommand.Enabled = False
        deleteCommand.Enabled = True
    Else
        mrc.Delete
        MsgBox "最后一条纪录已被删除！", vbOKOnly + vbExclamation, "警告"
        Unload Me
    End If
End Sub

Private Sub editCommand_Click()
    Dim mrclist As ADODB.Recordset
    Dim txtSQL As String
    Dim MsgText As String

    '显示列表信息
    txtSQL = "select * from class_Info "
    Set mrclist = ExecuteSQL(txtSQL, MsgText)
    While (mrclist.EOF = False)
        comboClassno.AddItem mrclist!class_No
        mrclist.MoveNext
    Wend
    mrclist.Close

    txtSQL = "select * from student_Info "
    Set mrclist = ExecuteSQL(txtSQL, MsgText)
    While (mrclist.EOF = False)
        comboSID.AddItem mrclist!student_ID
        mrclist.MoveNext
    Wend
    mrclist.Close

    txtSQL = "select * from course_Info "
    Set mrclist = ExecuteSQL(txtSQL, MsgText)
    While (mrclist.EOF = False)
        comboCourse.AddItem mrclist!course_No
        mrclist.MoveNext
    Wend
    mrclist.Close

    Frame2.Enabled = False
    firstCommand.Enabled = False
    previousCommand.Enabled = False
    nextCommand.Enabled = False
    lastCommand.Enabled = False
    
    editCommand.Enabled = False
    updateCommand.Enabled = True
    cancelCommand.Enabled = True
    deleteCommand.Enabled = False

    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"

    myBookmark = mrc.Bookmark

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
    
    Frame2.Enabled = True
    firstCommand.Enabled = True
    previousCommand.Enabled = True
    nextCommand.Enabled = True
    lastCommand.Enabled = True
    
    editCommand.Enabled = True
    updateCommand.Enabled = False
    cancelCommand.Enabled = False
    deleteCommand.Enabled = True

    txtSQL = "select * from result_Info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)

    If mrc.EOF = False Then
        mrc.MoveFirst
        Call viewData
        myBookmark = mrc.Bookmark
    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 firstCommand_Click()
    mrc.MoveFirst
    Call viewData
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
    Dim mrcc As ADODB.Recordset

    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.Delete
'    mrc.AddNew
    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

    Frame2.Enabled = True
    firstCommand.Enabled = True
    previousCommand.Enabled = True
    nextCommand.Enabled = True
    lastCommand.Enabled = True
    
    editCommand.Enabled = True
    updateCommand.Enabled = False
    cancelCommand.Enabled = False
    deleteCommand.Enabled = True

    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

    comboSID.Clear
    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

    comboCourse.Clear
    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