dataset1.vb

用.net写的,不知道怎么样,各位看看再说吧.

                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 客房编号Column As DataColumn
            Get
                Return Me.column客房编号
            End Get
        End Property
        
        Friend ReadOnly Property 类型编号Column As DataColumn
            Get
                Return Me.column类型编号
            End Get
        End Property
        
        Friend ReadOnly Property 楼层编号Column As DataColumn
            Get
                Return Me.column楼层编号
            End Get
        End Property
        
        Friend ReadOnly Property 额定人数Column As DataColumn
            Get
                Return Me.column额定人数
            End Get
        End Property
        
        Friend ReadOnly Property 床数Column As DataColumn
            Get
                Return Me.column床数
            End Get
        End Property
        
        Friend ReadOnly Property 状态Column As DataColumn
            Get
                Return Me.column状态
            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
        
        Friend ReadOnly Property 客房描述Column As DataColumn
            Get
                Return Me.column客房描述
            End Get
        End Property
        
        Friend ReadOnly Property 备注Column As DataColumn
            Get
                Return Me.column备注
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As 客房信息Row
            Get
                Return CType(Me.Rows(index),客房信息Row)
            End Get
        End Property
        
        Public Event 客房信息RowChanged As 客房信息RowChangeEventHandler
        
        Public Event 客房信息RowChanging As 客房信息RowChangeEventHandler
        
        Public Event 客房信息RowDeleted As 客房信息RowChangeEventHandler
        
        Public Event 客房信息RowDeleting As 客房信息RowChangeEventHandler
        
        Public Overloads Sub Add客房信息Row(ByVal row As 客房信息Row)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function Add客房信息Row(ByVal 客房编号 As String, ByVal 类型编号 As String, ByVal 楼层编号 As Integer, ByVal 额定人数 As Integer, ByVal 床数 As Integer, ByVal 状态 As String, ByVal 是否可拼房 As Boolean, ByVal 客房描述 As String, ByVal 备注 As String) As 客房信息Row
            Dim row客房信息Row As 客房信息Row = CType(Me.NewRow,客房信息Row)
            row客房信息Row.ItemArray = New Object() {客房编号, 类型编号, 楼层编号, 额定人数, 床数, 状态, 是否可拼房, 客房描述, 备注}
            Me.Rows.Add(row客房信息Row)
            Return row客房信息Row
        End Function
        
        Public Function FindBy客房编号(ByVal 客房编号 As String) As 客房信息Row
            Return CType(Me.Rows.Find(New Object() {客房编号}),客房信息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 客房信息DataTable = CType(MyBase.Clone,客房信息DataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New 客房信息DataTable
        End Function
        
        Friend Sub InitVars()
            Me.column客房编号 = Me.Columns("客房编号")
            Me.column类型编号 = Me.Columns("类型编号")
            Me.column楼层编号 = Me.Columns("楼层编号")
            Me.column额定人数 = Me.Columns("额定人数")
            Me.column床数 = Me.Columns("床数")
            Me.column状态 = Me.Columns("状态")
            Me.column是否可拼房 = Me.Columns("是否可拼房")
            Me.column客房描述 = Me.Columns("客房描述")
            Me.column备注 = Me.Columns("备注")
        End Sub
        
        Private Sub InitClass()
            Me.column客房编号 = New DataColumn("客房编号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column客房编号)
            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楼层编号 = New DataColumn("楼层编号", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column楼层编号)
            Me.column额定人数 = New DataColumn("额定人数", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column额定人数)
            Me.column床数 = New DataColumn("床数", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column床数)
            Me.column状态 = New DataColumn("状态", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column状态)
            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.column客房描述 = New DataColumn("客房描述", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column客房描述)
            Me.column备注 = New DataColumn("备注", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column备注)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.column客房编号}, true))
            Me.column客房编号.AllowDBNull = false
            Me.column客房编号.Unique = true
            Me.column类型编号.AllowDBNull = false
            Me.column楼层编号.AllowDBNull = false
        End Sub
        
        Public Function New客房信息Row() As 客房信息Row
            Return CType(Me.NewRow,客房信息Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New 客房信息Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(客房信息Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.客房信息RowChangedEvent) Is Nothing) Then
                RaiseEvent 客房信息RowChanged(Me, New 客房信息RowChangeEvent(CType(e.Row,客房信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.客房信息RowChangingEvent) Is Nothing) Then
                RaiseEvent 客房信息RowChanging(Me, New 客房信息RowChangeEvent(CType(e.Row,客房信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.客房信息RowDeletedEvent) Is Nothing) Then
                RaiseEvent 客房信息RowDeleted(Me, New 客房信息RowChangeEvent(CType(e.Row,客房信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.客房信息RowDeletingEvent) Is Nothing) Then
                RaiseEvent 客房信息RowDeleting(Me, New 客房信息RowChangeEvent(CType(e.Row,客房信息Row), e.Action))
            End If
        End Sub
        
        Public Sub Remove客房信息Row(ByVal row As 客房信息Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 客房信息Row
        Inherits DataRow
        
        Private table客房信息 As 客房信息DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.table客房信息 = CType(Me.Table,客房信息DataTable)
        End Sub
        
        Public Property 客房编号 As String
            Get
                Return CType(Me(Me.table客房信息.客房编号Column),String)
            End Get
            Set
                Me(Me.table客房信息.客房编号Column) = value
            End Set
        End Property
        
        Public Property 类型编号 As String
            Get
                Return CType(Me(Me.table客房信息.类型编号Column),String)
            End Get
            Set
                Me(Me.table客房信息.类型编号Column) = value
            End Set
        End Property
        
        Public Property 楼层编号 As Integer
            Get
                Return CType(Me(Me.table客房信息.楼层编号Column),Integer)
            End Get
            Set
                Me(Me.table客房信息.楼层编号Column) = value
            End Set
        End Property
        
        Public Property 额定人数 As Integer
            Get
                Try 
                    Return CType(Me(Me.table客房信息.额定人数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客房信息.额定人数Column) = value
            End Set
        End Property
        
        Public Property 床数 As Integer
            Get
                Try 
                    Return CType(Me(Me.table客房信息.床数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客房信息.床数Column) = value
            End Set
        End Property
        
        Public Property 状态 As String
            Get
                Try 
                    Return CType(Me(Me.table客房信息.状态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客房信息.状态Column) = value
            End Set
        End Property
        
        Public Property 是否可拼房 As Boolean
            Get
                Try 
                    Return CType(Me(Me.table客房信息.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客房信息.是否可拼房Column) = value
            End Set
        End Property
        
        Public Property 客房描述 As String
            Get
                Try 
                    Return CType(Me(Me.table客房信息.客房描述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客房信息.客房描述Column) = value
            End Set
        End Property
        
        Public Property 备注 As String
            Get
                Try 
                    Return CType(Me(Me.table客房信息.备注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客房信息.备注Column) = value
            End Set
        End Property
        
        Public Function Is额定人数Null() As Boolean
            Return Me.IsNull(Me.table客房信息.额定人数Column)
        End Function
        
        Public Sub Set额定人数Null()
            Me(Me.table客房信息.额定人数Column) = System.Convert.DBNull
        End Sub