dataset6.vb

首先利用Sql Sever数据库作为后台

        Public Overrides Function Clone() As DataTable
            Dim cln As 刷卡记录DataTable = CType(MyBase.Clone,刷卡记录DataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New 刷卡记录DataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnIC卡号 = Me.Columns("IC卡号")
            Me.column姓名 = Me.Columns("姓名")
            Me.column班级 = Me.Columns("班级")
            Me.column学号 = Me.Columns("学号")
            Me.column专业 = Me.Columns("专业")
            Me.column刷卡日期 = Me.Columns("刷卡日期")
            Me.column刷卡时间 = Me.Columns("刷卡时间")
        End Sub
        
        Private Sub InitClass()
            Me.columnIC卡号 = New DataColumn("IC卡号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnIC卡号)
            Me.column姓名 = New DataColumn("姓名", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column姓名)
            Me.column班级 = New DataColumn("班级", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column班级)
            Me.column学号 = New DataColumn("学号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column学号)
            Me.column专业 = New DataColumn("专业", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column专业)
            Me.column刷卡日期 = New DataColumn("刷卡日期", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column刷卡日期)
            Me.column刷卡时间 = New DataColumn("刷卡时间", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column刷卡时间)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnIC卡号}, true))
            Me.columnIC卡号.AllowDBNull = false
            Me.columnIC卡号.Unique = true
        End Sub
        
        Public Function New刷卡记录Row() As 刷卡记录Row
            Return CType(Me.NewRow,刷卡记录Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New 刷卡记录Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(刷卡记录Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.刷卡记录RowChangedEvent) Is Nothing) Then
                RaiseEvent 刷卡记录RowChanged(Me, New 刷卡记录RowChangeEvent(CType(e.Row,刷卡记录Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.刷卡记录RowChangingEvent) Is Nothing) Then
                RaiseEvent 刷卡记录RowChanging(Me, New 刷卡记录RowChangeEvent(CType(e.Row,刷卡记录Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.刷卡记录RowDeletedEvent) Is Nothing) Then
                RaiseEvent 刷卡记录RowDeleted(Me, New 刷卡记录RowChangeEvent(CType(e.Row,刷卡记录Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.刷卡记录RowDeletingEvent) Is Nothing) Then
                RaiseEvent 刷卡记录RowDeleting(Me, New 刷卡记录RowChangeEvent(CType(e.Row,刷卡记录Row), e.Action))
            End If
        End Sub
        
        Public Sub Remove刷卡记录Row(ByVal row As 刷卡记录Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 刷卡记录Row
        Inherits DataRow
        
        Private table刷卡记录 As 刷卡记录DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.table刷卡记录 = CType(Me.Table,刷卡记录DataTable)
        End Sub
        
        Public Property IC卡号 As String
            Get
                Return CType(Me(Me.table刷卡记录.IC卡号Column),String)
            End Get
            Set
                Me(Me.table刷卡记录.IC卡号Column) = value
            End Set
        End Property
        
        Public Property 姓名 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡记录.姓名Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table刷卡记录.姓名Column) = value
            End Set
        End Property
        
        Public Property 班级 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡记录.班级Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table刷卡记录.班级Column) = value
            End Set
        End Property
        
        Public Property 学号 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡记录.学号Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table刷卡记录.学号Column) = value
            End Set
        End Property
        
        Public Property 专业 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡记录.专业Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table刷卡记录.专业Column) = value
            End Set
        End Property
        
        Public Property 刷卡日期 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡记录.刷卡日期Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table刷卡记录.刷卡日期Column) = value
            End Set
        End Property
        
        Public Property 刷卡时间 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡记录.刷卡时间Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table刷卡记录.刷卡时间Column) = value
            End Set
        End Property
        
        Public Function Is姓名Null() As Boolean
            Return Me.IsNull(Me.table刷卡记录.姓名Column)
        End Function
        
        Public Sub Set姓名Null()
            Me(Me.table刷卡记录.姓名Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is班级Null() As Boolean
            Return Me.IsNull(Me.table刷卡记录.班级Column)
        End Function
        
        Public Sub Set班级Null()
            Me(Me.table刷卡记录.班级Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is学号Null() As Boolean
            Return Me.IsNull(Me.table刷卡记录.学号Column)
        End Function
        
        Public Sub Set学号Null()
            Me(Me.table刷卡记录.学号Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is专业Null() As Boolean
            Return Me.IsNull(Me.table刷卡记录.专业Column)
        End Function
        
        Public Sub Set专业Null()
            Me(Me.table刷卡记录.专业Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is刷卡日期Null() As Boolean
            Return Me.IsNull(Me.table刷卡记录.刷卡日期Column)
        End Function
        
        Public Sub Set刷卡日期Null()
            Me(Me.table刷卡记录.刷卡日期Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is刷卡时间Null() As Boolean
            Return Me.IsNull(Me.table刷卡记录.刷卡时间Column)
        End Function
        
        Public Sub Set刷卡时间Null()
            Me(Me.table刷卡记录.刷卡时间Column) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 刷卡记录RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As 刷卡记录Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As 刷卡记录Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As 刷卡记录Row
            Get
                Return Me.eventRow
            End Get
        End Property
        
        Public ReadOnly Property Action As DataRowAction
            Get
                Return Me.eventAction
            End Get
        End Property
    End Class
End Class