dataset1.vb

首先利用Sql Sever数据库作为后台

        Friend Sub New(ByVal table As DataTable)
            MyBase.New(table.TableName)
            If (table.CaseSensitive <> table.DataSet.CaseSensitive) Then
                Me.CaseSensitive = table.CaseSensitive
            End If
            If (table.Locale.ToString <> table.DataSet.Locale.ToString) Then
                Me.Locale = table.Locale
            End If
            If (table.Namespace <> table.DataSet.Namespace) Then
                Me.Namespace = table.Namespace
            End If
            Me.Prefix = table.Prefix
            Me.MinimumCapacity = table.MinimumCapacity
            Me.DisplayExpression = table.DisplayExpression
        End Sub
        
        <System.ComponentModel.Browsable(false)>  _
        Public ReadOnly Property Count As Integer
            Get
                Return Me.Rows.Count
            End Get
        End Property
        
        Friend ReadOnly Property IC卡号Column As DataColumn
            Get
                Return Me.columnIC卡号
            End Get
        End Property
        
        Friend ReadOnly Property 姓名Column As DataColumn
            Get
                Return Me.column姓名
            End Get
        End Property
        
        Friend ReadOnly Property 班级Column As DataColumn
            Get
                Return Me.column班级
            End Get
        End Property
        
        Friend ReadOnly Property 学号Column As DataColumn
            Get
                Return Me.column学号
            End Get
        End Property
        
        Friend ReadOnly Property 专业Column As DataColumn
            Get
                Return Me.column专业
            End Get
        End Property
        
        Friend ReadOnly Property 刷卡日期Column As DataColumn
            Get
                Return Me.column刷卡日期
            End Get
        End Property
        
        Friend ReadOnly Property 刷卡时间Column As DataColumn
            Get
                Return Me.column刷卡时间
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As 刷卡记录Row
            Get
                Return CType(Me.Rows(index),刷卡记录Row)
            End Get
        End Property
        
        Public Event 刷卡记录RowChanged As 刷卡记录RowChangeEventHandler
        
        Public Event 刷卡记录RowChanging As 刷卡记录RowChangeEventHandler
        
        Public Event 刷卡记录RowDeleted As 刷卡记录RowChangeEventHandler
        
        Public Event 刷卡记录RowDeleting As 刷卡记录RowChangeEventHandler
        
        Public Overloads Sub Add刷卡记录Row(ByVal row As 刷卡记录Row)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function Add刷卡记录Row(ByVal IC卡号 As String, ByVal 姓名 As String, ByVal 班级 As String, ByVal 学号 As String, ByVal 专业 As String, ByVal 刷卡日期 As String, ByVal 刷卡时间 As String) As 刷卡记录Row
            Dim row刷卡记录Row As 刷卡记录Row = CType(Me.NewRow,刷卡记录Row)
            row刷卡记录Row.ItemArray = New Object() {IC卡号, 姓名, 班级, 学号, 专业, 刷卡日期, 刷卡时间}
            Me.Rows.Add(row刷卡记录Row)
            Return row刷卡记录Row
        End Function
        
        Public Function FindByIC卡号(ByVal IC卡号 As String) As 刷卡记录Row
            Return CType(Me.Rows.Find(New Object() {IC卡号}),刷卡记录Row)
        End Function
        
        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