?Public Class FrmDelClass

    Dim RowIndex As Integer
    Private Sub DGVClass_CellContentClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DGVClass.CellContentClick
        RowIndex = e.RowIndex
    End Sub

    Private Sub FrmDelClass_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        DGVClass.DataSource = DBClass.LoadClass()
    End Sub

    Private Sub BtnDel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnDel.Click
        If User.Mod1 = "可讀" Then
            MsgBox("您無權(quán)寫入記錄！", MsgBoxStyle.Exclamation, "信息框")
            Exit Sub
        End If
        DBClass.DelClass(DGVClass.Rows(RowIndex).Cells(0).Value)
        DGVClass.DataSource = DBClass.LoadClass()
    End Sub


    Private Sub BtnExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnExit.Click
        Me.Close()
    End Sub
End Class