dataset3.vb

首先利用Sql Sever数据库作为后台

        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return Me.Rows.GetEnumerator
        End Function
        
        Public Overrides Function Clone() As DataTable
            Dim cln As 刷卡信息表DataTable = CType(MyBase.Clone,刷卡信息表DataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New 刷卡信息表DataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnIC卡号 = Me.Columns("IC卡号")
            Me.column班级 = Me.Columns("班级")
            Me.column姓名 = Me.Columns("姓名")
            Me.column学号 = Me.Columns("学号")
            Me.column上课时间 = Me.Columns("上课时间")
            Me.column下课时间 = Me.Columns("下课时间")
            Me.column日期 = Me.Columns("日期")
        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班级 = New DataColumn("班级", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column班级)
            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学号 = New DataColumn("学号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column学号)
            Me.column上课时间 = New DataColumn("上课时间", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column上课时间)
            Me.column下课时间 = New DataColumn("下课时间", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column下课时间)
            Me.column日期 = New DataColumn("日期", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column日期)
            Me.columnIC卡号.AllowDBNull = false
            Me.column学号.AllowDBNull = false
        End Sub
        
        Public Function New刷卡信息表Row() As 刷卡信息表Row
            Return CType(Me.NewRow,刷卡信息表Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New 刷卡信息表Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(刷卡信息表Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.刷卡信息表RowChangedEvent) Is Nothing) Then
                RaiseEvent 刷卡信息表RowChanged(Me, New 刷卡信息表RowChangeEvent(CType(e.Row,刷卡信息表Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.刷卡信息表RowChangingEvent) Is Nothing) Then
                RaiseEvent 刷卡信息表RowChanging(Me, New 刷卡信息表RowChangeEvent(CType(e.Row,刷卡信息表Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.刷卡信息表RowDeletedEvent) Is Nothing) Then
                RaiseEvent 刷卡信息表RowDeleted(Me, New 刷卡信息表RowChangeEvent(CType(e.Row,刷卡信息表Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.刷卡信息表RowDeletingEvent) Is Nothing) Then
                RaiseEvent 刷卡信息表RowDeleting(Me, New 刷卡信息表RowChangeEvent(CType(e.Row,刷卡信息表Row), e.Action))
            End If
        End Sub
        
        Public Sub Remove刷卡信息表Row(ByVal row As 刷卡信息表Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 刷卡信息表Row
        Inherits DataRow
        
        Private table刷卡信息表 As 刷卡信息表DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.table刷卡信息表 = CType(Me.Table,刷卡信息表DataTable)
        End Sub
        
        Public Property IC卡号 As String
            Get
                Return CType(Me(Me.table刷卡信息表.IC卡号Column),String)
            End Get
            Set
                Me(Me.table刷卡信息表.IC卡号Column) = value
            End Set
        End Property
        
        Public Property 班级 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡信息表.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刷卡信息表.班级Column) = value
            End Set
        End Property
        
        Public Property 姓名 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡信息表.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刷卡信息表.姓名Column) = value
            End Set
        End Property
        
        Public Property 学号 As String
            Get
                Return CType(Me(Me.table刷卡信息表.学号Column),String)
            End Get
            Set
                Me(Me.table刷卡信息表.学号Column) = value
            End Set
        End Property
        
        Public Property 上课时间 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡信息表.上课时间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刷卡信息表.上课时间Column) = value
            End Set
        End Property
        
        Public Property 下课时间 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡信息表.下课时间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刷卡信息表.下课时间Column) = value
            End Set
        End Property
        
        Public Property 日期 As String
            Get
                Try 
                    Return CType(Me(Me.table刷卡信息表.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刷卡信息表.日期Column) = value
            End Set
        End Property
        
        Public Function Is班级Null() As Boolean
            Return Me.IsNull(Me.table刷卡信息表.班级Column)
        End Function
        
        Public Sub Set班级Null()
            Me(Me.table刷卡信息表.班级Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is姓名Null() As Boolean
            Return Me.IsNull(Me.table刷卡信息表.姓名Column)
        End Function
        
        Public Sub Set姓名Null()
            Me(Me.table刷卡信息表.姓名Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is上课时间Null() As Boolean
            Return Me.IsNull(Me.table刷卡信息表.上课时间Column)
        End Function
        
        Public Sub Set上课时间Null()
            Me(Me.table刷卡信息表.上课时间Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is下课时间Null() As Boolean
            Return Me.IsNull(Me.table刷卡信息表.下课时间Column)
        End Function
        
        Public Sub Set下课时间Null()
            Me(Me.table刷卡信息表.下课时间Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is日期Null() As Boolean
            Return Me.IsNull(Me.table刷卡信息表.日期Column)
        End Function
        
        Public Sub Set日期Null()
            Me(Me.table刷卡信息表.日期Column) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 刷卡信息表RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As 刷卡信息表Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As 刷卡信息表Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As 刷卡信息表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