dataset1.vb

用.net写的,不知道怎么样,各位看看再说吧.

        
        Friend ReadOnly Property 可超预定数Column As DataColumn
            Get
                Return Me.column可超预定数
            End Get
        End Property
        
        Friend ReadOnly Property 是否可拼房Column As DataColumn
            Get
                Return Me.column是否可拼房
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As 客房类型Row
            Get
                Return CType(Me.Rows(index),客房类型Row)
            End Get
        End Property
        
        Public Event 客房类型RowChanged As 客房类型RowChangeEventHandler
        
        Public Event 客房类型RowChanging As 客房类型RowChangeEventHandler
        
        Public Event 客房类型RowDeleted As 客房类型RowChangeEventHandler
        
        Public Event 客房类型RowDeleting As 客房类型RowChangeEventHandler
        
        Public Overloads Sub Add客房类型Row(ByVal row As 客房类型Row)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function Add客房类型Row(ByVal 类型编号 As String, ByVal 类型名称 As String, ByVal 价格 As Decimal, ByVal 拼房价格 As Decimal, ByVal 可超预定数 As Decimal, ByVal 是否可拼房 As Boolean) As 客房类型Row
            Dim row客房类型Row As 客房类型Row = CType(Me.NewRow,客房类型Row)
            row客房类型Row.ItemArray = New Object() {类型编号, 类型名称, 价格, 拼房价格, 可超预定数, 是否可拼房}
            Me.Rows.Add(row客房类型Row)
            Return row客房类型Row
        End Function
        
        Public Function FindBy类型编号(ByVal 类型编号 As String) As 客房类型Row
            Return CType(Me.Rows.Find(New Object() {类型编号}),客房类型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 客房类型DataTable = CType(MyBase.Clone,客房类型DataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New 客房类型DataTable
        End Function
        
        Friend Sub InitVars()
            Me.column类型编号 = Me.Columns("类型编号")
            Me.column类型名称 = Me.Columns("类型名称")
            Me.column价格 = Me.Columns("价格")
            Me.column拼房价格 = Me.Columns("拼房价格")
            Me.column可超预定数 = Me.Columns("可超预定数")
            Me.column是否可拼房 = Me.Columns("是否可拼房")
        End Sub
        
        Private Sub InitClass()
            Me.column类型编号 = New DataColumn("类型编号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column类型编号)
            Me.column类型名称 = New DataColumn("类型名称", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column类型名称)
            Me.column价格 = New DataColumn("价格", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column价格)
            Me.column拼房价格 = New DataColumn("拼房价格", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column拼房价格)
            Me.column可超预定数 = New DataColumn("可超预定数", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column可超预定数)
            Me.column是否可拼房 = New DataColumn("是否可拼房", GetType(System.Boolean), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column是否可拼房)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.column类型编号}, true))
            Me.column类型编号.AllowDBNull = false
            Me.column类型编号.Unique = true
        End Sub
        
        Public Function New客房类型Row() As 客房类型Row
            Return CType(Me.NewRow,客房类型Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New 客房类型Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(客房类型Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.客房类型RowChangedEvent) Is Nothing) Then
                RaiseEvent 客房类型RowChanged(Me, New 客房类型RowChangeEvent(CType(e.Row,客房类型Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.客房类型RowChangingEvent) Is Nothing) Then
                RaiseEvent 客房类型RowChanging(Me, New 客房类型RowChangeEvent(CType(e.Row,客房类型Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.客房类型RowDeletedEvent) Is Nothing) Then
                RaiseEvent 客房类型RowDeleted(Me, New 客房类型RowChangeEvent(CType(e.Row,客房类型Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.客房类型RowDeletingEvent) Is Nothing) Then
                RaiseEvent 客房类型RowDeleting(Me, New 客房类型RowChangeEvent(CType(e.Row,客房类型Row), e.Action))
            End If
        End Sub
        
        Public Sub Remove客房类型Row(ByVal row As 客房类型Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 客房类型Row
        Inherits DataRow
        
        Private table客房类型 As 客房类型DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.table客房类型 = CType(Me.Table,客房类型DataTable)
        End Sub
        
        Public Property 类型编号 As String
            Get
                Return CType(Me(Me.table客房类型.类型编号Column),String)
            End Get
            Set
                Me(Me.table客房类型.类型编号Column) = value
            End Set
        End Property
        
        Public Property 类型名称 As String
            Get
                Try 
                    Return CType(Me(Me.table客房类型.类型名称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客房类型.类型名称Column) = value
            End Set
        End Property
        
        Public Property 价格 As Decimal
            Get
                Try 
                    Return CType(Me(Me.table客房类型.价格Column),Decimal)
                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客房类型.价格Column) = value
            End Set
        End Property
        
        Public Property 拼房价格 As Decimal
            Get
                Try 
                    Return CType(Me(Me.table客房类型.拼房价格Column),Decimal)
                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客房类型.拼房价格Column) = value
            End Set
        End Property
        
        Public Property 可超预定数 As Decimal
            Get
                Try 
                    Return CType(Me(Me.table客房类型.可超预定数Column),Decimal)
                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客房类型.可超预定数Column) = value
            End Set
        End Property
        
        Public Property 是否可拼房 As Boolean
            Get
                Try 
                    Return CType(Me(Me.table客房类型.是否可拼房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客房类型.是否可拼房Column) = value
            End Set
        End Property
        
        Public Function Is类型名称Null() As Boolean
            Return Me.IsNull(Me.table客房类型.类型名称Column)
        End Function
        
        Public Sub Set类型名称Null()
            Me(Me.table客房类型.类型名称Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is价格Null() As Boolean
            Return Me.IsNull(Me.table客房类型.价格Column)
        End Function
        
        Public Sub Set价格Null()
            Me(Me.table客房类型.价格Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is拼房价格Null() As Boolean
            Return Me.IsNull(Me.table客房类型.拼房价格Column)
        End Function
        
        Public Sub Set拼房价格Null()
            Me(Me.table客房类型.拼房价格Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is可超预定数Null() As Boolean
            Return Me.IsNull(Me.table客房类型.可超预定数Column)
        End Function
        
        Public Sub Set可超预定数Null()
            Me(Me.table客房类型.可超预定数Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is是否可拼房Null() As Boolean
            Return Me.IsNull(Me.table客房类型.是否可拼房Column)
        End Function
        
        Public Sub Set是否可拼房Null()
            Me(Me.table客房类型.是否可拼房Column) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 客房类型RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As 客房类型Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As 客房类型Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As 客房类型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 客房信息DataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private column客房编号 As DataColumn
        
        Private column类型编号 As DataColumn
        
        Private column楼层编号 As DataColumn
        
        Private column额定人数 As DataColumn
        
        Private column床数 As DataColumn
        
        Private column状态 As DataColumn
        
        Private column是否可拼房 As DataColumn
        
        Private column客房描述 As DataColumn
        
        Private column备注 As DataColumn
        
        Friend Sub New()
            MyBase.New("客房信息")
            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