weblib读者信息.vb

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            Me.Columns.Add(Me.column联系方式)
            Me.column已借书数目 = New DataColumn("已借书数目", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column已借书数目)
            Me.column读者类别 = New DataColumn("读者类别", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column读者类别)
            Me.column能否借书 = New DataColumn("能否借书", GetType(System.Boolean), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column能否借书)
            Me.column密码 = New DataColumn("密码", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column密码)
            Me.column证号.AllowDBNull = false
        End Sub
        
        Public Function New读者信息Row() As 读者信息Row
            Return CType(Me.NewRow,读者信息Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New 读者信息Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(读者信息Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.读者信息RowChangedEvent) Is Nothing) Then
                RaiseEvent 读者信息RowChanged(Me, New 读者信息RowChangeEvent(CType(e.Row,读者信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.读者信息RowChangingEvent) Is Nothing) Then
                RaiseEvent 读者信息RowChanging(Me, New 读者信息RowChangeEvent(CType(e.Row,读者信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.读者信息RowDeletedEvent) Is Nothing) Then
                RaiseEvent 读者信息RowDeleted(Me, New 读者信息RowChangeEvent(CType(e.Row,读者信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.读者信息RowDeletingEvent) Is Nothing) Then
                RaiseEvent 读者信息RowDeleting(Me, New 读者信息RowChangeEvent(CType(e.Row,读者信息Row), e.Action))
            End If
        End Sub
        
        Public Sub Remove读者信息Row(ByVal row As 读者信息Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 读者信息Row
        Inherits DataRow
        
        Private table读者信息 As 读者信息DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.table读者信息 = CType(Me.Table,读者信息DataTable)
        End Sub
        
        Public Property 证号 As Integer
            Get
                Return CType(Me(Me.table读者信息.证号Column),Integer)
            End Get
            Set
                Me(Me.table读者信息.证号Column) = value
            End Set
        End Property
        
        Public Property 姓名 As String
            Get
                Try 
                    Return CType(Me(Me.table读者信息.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读者信息.姓名Column) = value
            End Set
        End Property
        
        Public Property 联系方式 As String
            Get
                Try 
                    Return CType(Me(Me.table读者信息.联系方式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读者信息.联系方式Column) = value
            End Set
        End Property
        
        Public Property 已借书数目 As Integer
            Get
                Try 
                    Return CType(Me(Me.table读者信息.已借书数目Column),Integer)
                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读者信息.已借书数目Column) = value
            End Set
        End Property
        
        Public Property 读者类别 As Integer
            Get
                Try 
                    Return CType(Me(Me.table读者信息.读者类别Column),Integer)
                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读者信息.读者类别Column) = value
            End Set
        End Property
        
        Public Property 能否借书 As Boolean
            Get
                Try 
                    Return CType(Me(Me.table读者信息.能否借书Column),Boolean)
                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读者信息.能否借书Column) = value
            End Set
        End Property
        
        Public Property 密码 As String
            Get
                Try 
                    Return CType(Me(Me.table读者信息.密码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读者信息.密码Column) = value
            End Set
        End Property
        
        Public Function Is姓名Null() As Boolean
            Return Me.IsNull(Me.table读者信息.姓名Column)
        End Function
        
        Public Sub Set姓名Null()
            Me(Me.table读者信息.姓名Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is联系方式Null() As Boolean
            Return Me.IsNull(Me.table读者信息.联系方式Column)
        End Function
        
        Public Sub Set联系方式Null()
            Me(Me.table读者信息.联系方式Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is已借书数目Null() As Boolean
            Return Me.IsNull(Me.table读者信息.已借书数目Column)
        End Function
        
        Public Sub Set已借书数目Null()
            Me(Me.table读者信息.已借书数目Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is读者类别Null() As Boolean
            Return Me.IsNull(Me.table读者信息.读者类别Column)
        End Function
        
        Public Sub Set读者类别Null()
            Me(Me.table读者信息.读者类别Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is能否借书Null() As Boolean
            Return Me.IsNull(Me.table读者信息.能否借书Column)
        End Function
        
        Public Sub Set能否借书Null()
            Me(Me.table读者信息.能否借书Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is密码Null() As Boolean
            Return Me.IsNull(Me.table读者信息.密码Column)
        End Function
        
        Public Sub Set密码Null()
            Me(Me.table读者信息.密码Column) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 读者信息RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As 读者信息Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As 读者信息Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As 读者信息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
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 借阅信息DataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private column证号 As DataColumn
        
        Private column书号 As DataColumn
        
        Private column书名 As DataColumn
        
        Private column借阅日期 As DataColumn
        
        Private column应归还日期 As DataColumn
        
        Private column实际归还日期 As DataColumn
        
        Private column续借 As DataColumn
        
        Friend Sub New()
            MyBase.New("借阅信息")
            Me.InitClass
        End Sub
        
        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 证号Column As DataColumn
            Get
                Return Me.column证号
            End Get
        End Property
        
        Friend ReadOnly Property 书号Column As DataColumn
            Get
                Return Me.column书号
            End Get
        End Property
        
        Friend ReadOnly Property 书名Column As DataColumn
            Get
                Return Me.column书名
            End Get
        End Property
        
        Friend ReadOnly Property 借阅日期Column As DataColumn
            Get
                Return Me.column借阅日期
            End Get
        End Property
        
        Friend ReadOnly Property 应归还日期Column As DataColumn
            Get
                Return Me.column应归还日期
            End Get
        End Property
        
        Friend ReadOnly Property 实际归还日期Column As DataColumn
            Get