dspr210.vb

通用进销存-visual basic编写

            Me.columnPurchaseAmount = Me.Columns("PurchaseAmount")
        End Sub
        
        Private Sub InitClass()
            Me.columnPurchaseID = New DataColumn("PurchaseID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPurchaseID)
            Me.columnProductID = New DataColumn("ProductID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnProductID)
            Me.columnPurchaseDate = New DataColumn("PurchaseDate", GetType(System.DateTime), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPurchaseDate)
            Me.columnProductName = New DataColumn("ProductName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnProductName)
            Me.columnSupplierID = New DataColumn("SupplierID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSupplierID)
            Me.columnSupplierAttribName = New DataColumn("SupplierAttribName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSupplierAttribName)
            Me.columnPurchaseProperty = New DataColumn("PurchaseProperty", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPurchaseProperty)
            Me.columnPurchaseQuantity = New DataColumn("PurchaseQuantity", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPurchaseQuantity)
            Me.columnPurchaseUnitPrice = New DataColumn("PurchaseUnitPrice", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPurchaseUnitPrice)
            Me.columnPurchaseAmount = New DataColumn("PurchaseAmount", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPurchaseAmount)
            Me.Constraints.Add(New UniqueConstraint("dsPR210Key", New DataColumn() {Me.columnPurchaseID, Me.columnProductID}, true))
            Me.columnPurchaseID.AllowDBNull = false
            Me.columnProductID.AllowDBNull = false
        End Sub
        
        Public Function NewPR210Row() As PR210Row
            Return CType(Me.NewRow,PR210Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New PR210Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(PR210Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.PR210RowChangedEvent) Is Nothing) Then
                RaiseEvent PR210RowChanged(Me, New PR210RowChangeEvent(CType(e.Row,PR210Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.PR210RowChangingEvent) Is Nothing) Then
                RaiseEvent PR210RowChanging(Me, New PR210RowChangeEvent(CType(e.Row,PR210Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.PR210RowDeletedEvent) Is Nothing) Then
                RaiseEvent PR210RowDeleted(Me, New PR210RowChangeEvent(CType(e.Row,PR210Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.PR210RowDeletingEvent) Is Nothing) Then
                RaiseEvent PR210RowDeleting(Me, New PR210RowChangeEvent(CType(e.Row,PR210Row), e.Action))
            End If
        End Sub
        
        Public Sub RemovePR210Row(ByVal row As PR210Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class PR210Row
        Inherits DataRow
        
        Private tablePR210 As PR210DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tablePR210 = CType(Me.Table,PR210DataTable)
        End Sub
        
        Public Property PurchaseID As String
            Get
                Return CType(Me(Me.tablePR210.PurchaseIDColumn),String)
            End Get
            Set
                Me(Me.tablePR210.PurchaseIDColumn) = value
            End Set
        End Property
        
        Public Property ProductID As String
            Get
                Return CType(Me(Me.tablePR210.ProductIDColumn),String)
            End Get
            Set
                Me(Me.tablePR210.ProductIDColumn) = value
            End Set
        End Property
        
        Public Property PurchaseDate As Date
            Get
                Try 
                    Return CType(Me(Me.tablePR210.PurchaseDateColumn),Date)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.PurchaseDateColumn) = value
            End Set
        End Property
        
        Public Property ProductName As String
            Get
                Try 
                    Return CType(Me(Me.tablePR210.ProductNameColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.ProductNameColumn) = value
            End Set
        End Property
        
        Public Property SupplierID As String
            Get
                Try 
                    Return CType(Me(Me.tablePR210.SupplierIDColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.SupplierIDColumn) = value
            End Set
        End Property
        
        Public Property SupplierAttribName As String
            Get
                Try 
                    Return CType(Me(Me.tablePR210.SupplierAttribNameColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.SupplierAttribNameColumn) = value
            End Set
        End Property
        
        Public Property PurchaseProperty As String
            Get
                Try 
                    Return CType(Me(Me.tablePR210.PurchasePropertyColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.PurchasePropertyColumn) = value
            End Set
        End Property
        
        Public Property PurchaseQuantity As Decimal
            Get
                Try 
                    Return CType(Me(Me.tablePR210.PurchaseQuantityColumn),Decimal)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.PurchaseQuantityColumn) = value
            End Set
        End Property
        
        Public Property PurchaseUnitPrice As Decimal
            Get
                Try 
                    Return CType(Me(Me.tablePR210.PurchaseUnitPriceColumn),Decimal)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.PurchaseUnitPriceColumn) = value
            End Set
        End Property
        
        Public Property PurchaseAmount As Decimal
            Get
                Try 
                    Return CType(Me(Me.tablePR210.PurchaseAmountColumn),Decimal)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("無法取得值，因為它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.tablePR210.PurchaseAmountColumn) = value
            End Set
        End Property
        
        Public Function IsPurchaseDateNull() As Boolean
            Return Me.IsNull(Me.tablePR210.PurchaseDateColumn)
        End Function
        
        Public Sub SetPurchaseDateNull()
            Me(Me.tablePR210.PurchaseDateColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsProductNameNull() As Boolean
            Return Me.IsNull(Me.tablePR210.ProductNameColumn)
        End Function
        
        Public Sub SetProductNameNull()
            Me(Me.tablePR210.ProductNameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSupplierIDNull() As Boolean
            Return Me.IsNull(Me.tablePR210.SupplierIDColumn)
        End Function
        
        Public Sub SetSupplierIDNull()
            Me(Me.tablePR210.SupplierIDColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSupplierAttribNameNull() As Boolean
            Return Me.IsNull(Me.tablePR210.SupplierAttribNameColumn)
        End Function
        
        Public Sub SetSupplierAttribNameNull()
            Me(Me.tablePR210.SupplierAttribNameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPurchasePropertyNull() As Boolean
            Return Me.IsNull(Me.tablePR210.PurchasePropertyColumn)
        End Function
        
        Public Sub SetPurchasePropertyNull()
            Me(Me.tablePR210.PurchasePropertyColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPurchaseQuantityNull() As Boolean
            Return Me.IsNull(Me.tablePR210.PurchaseQuantityColumn)
        End Function
        
        Public Sub SetPurchaseQuantityNull()
            Me(Me.tablePR210.PurchaseQuantityColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPurchaseUnitPriceNull() As Boolean
            Return Me.IsNull(Me.tablePR210.PurchaseUnitPriceColumn)
        End Function
        
        Public Sub SetPurchaseUnitPriceNull()
            Me(Me.tablePR210.PurchaseUnitPriceColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPurchaseAmountNull() As Boolean
            Return Me.IsNull(Me.tablePR210.PurchaseAmountColumn)
        End Function
        
        Public Sub SetPurchaseAmountNull()
            Me(Me.tablePR210.PurchaseAmountColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class PR210RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As PR210Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As PR210Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As PR210Row
            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