dsdl220.vb

通用进销存-visual basic编写

            cln.InitVars
            Return cln
        End Function
        
        Friend Sub InitVars()
            Me.columnCustomerID = Me.Columns("CustomerID")
            Me.columnProductID = Me.Columns("ProductID")
            Me.columnCustomerAttribName = Me.Columns("CustomerAttribName")
            Me.columnProductName = Me.Columns("ProductName")
            Me.columnSAQty = Me.Columns("SAQty")
            Me.columnSAAmount = Me.Columns("SAAmount")
            Me.columnSRQty = Me.Columns("SRQty")
            Me.columnSRAmount = Me.Columns("SRAmount")
        End Sub
        
        Private Sub InitClass()
            Me.columnCustomerID = New DataColumn("CustomerID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnCustomerID)
            Me.columnProductID = New DataColumn("ProductID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnProductID)
            Me.columnCustomerAttribName = New DataColumn("CustomerAttribName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnCustomerAttribName)
            Me.columnProductName = New DataColumn("ProductName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnProductName)
            Me.columnSAQty = New DataColumn("SAQty", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSAQty)
            Me.columnSAAmount = New DataColumn("SAAmount", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSAAmount)
            Me.columnSRQty = New DataColumn("SRQty", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSRQty)
            Me.columnSRAmount = New DataColumn("SRAmount", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSRAmount)
            Me.Constraints.Add(New UniqueConstraint("dsDL220Key1", New DataColumn() {Me.columnCustomerID, Me.columnProductID}, false))
            Me.columnCustomerID.AllowDBNull = false
            Me.columnProductID.AllowDBNull = false
        End Sub
        
        Public Function NewDL220Row() As DL220Row
            Return CType(Me.NewRow,DL220Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New DL220Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(DL220Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.DL220RowChangedEvent) Is Nothing) Then
                RaiseEvent DL220RowChanged(Me, New DL220RowChangeEvent(CType(e.Row,DL220Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.DL220RowChangingEvent) Is Nothing) Then
                RaiseEvent DL220RowChanging(Me, New DL220RowChangeEvent(CType(e.Row,DL220Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.DL220RowDeletedEvent) Is Nothing) Then
                RaiseEvent DL220RowDeleted(Me, New DL220RowChangeEvent(CType(e.Row,DL220Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.DL220RowDeletingEvent) Is Nothing) Then
                RaiseEvent DL220RowDeleting(Me, New DL220RowChangeEvent(CType(e.Row,DL220Row), e.Action))
            End If
        End Sub
        
        Public Sub RemoveDL220Row(ByVal row As DL220Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class DL220Row
        Inherits DataRow
        
        Private tableDL220 As DL220DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableDL220 = CType(Me.Table,DL220DataTable)
        End Sub
        
        Public Property CustomerID As String
            Get
                Return CType(Me(Me.tableDL220.CustomerIDColumn),String)
            End Get
            Set
                Me(Me.tableDL220.CustomerIDColumn) = value
            End Set
        End Property
        
        Public Property ProductID As String
            Get
                Return CType(Me(Me.tableDL220.ProductIDColumn),String)
            End Get
            Set
                Me(Me.tableDL220.ProductIDColumn) = value
            End Set
        End Property
        
        Public Property CustomerAttribName As String
            Get
                Try 
                    Return CType(Me(Me.tableDL220.CustomerAttribNameColumn),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.tableDL220.CustomerAttribNameColumn) = value
            End Set
        End Property
        
        Public Property ProductName As String
            Get
                Try 
                    Return CType(Me(Me.tableDL220.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.tableDL220.ProductNameColumn) = value
            End Set
        End Property
        
        Public Property SAQty As Decimal
            Get
                Try 
                    Return CType(Me(Me.tableDL220.SAQtyColumn),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.tableDL220.SAQtyColumn) = value
            End Set
        End Property
        
        Public Property SAAmount As Decimal
            Get
                Try 
                    Return CType(Me(Me.tableDL220.SAAmountColumn),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.tableDL220.SAAmountColumn) = value
            End Set
        End Property
        
        Public Property SRQty As Decimal
            Get
                Try 
                    Return CType(Me(Me.tableDL220.SRQtyColumn),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.tableDL220.SRQtyColumn) = value
            End Set
        End Property
        
        Public Property SRAmount As Decimal
            Get
                Try 
                    Return CType(Me(Me.tableDL220.SRAmountColumn),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.tableDL220.SRAmountColumn) = value
            End Set
        End Property
        
        Public Function IsCustomerAttribNameNull() As Boolean
            Return Me.IsNull(Me.tableDL220.CustomerAttribNameColumn)
        End Function
        
        Public Sub SetCustomerAttribNameNull()
            Me(Me.tableDL220.CustomerAttribNameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsProductNameNull() As Boolean
            Return Me.IsNull(Me.tableDL220.ProductNameColumn)
        End Function
        
        Public Sub SetProductNameNull()
            Me(Me.tableDL220.ProductNameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSAQtyNull() As Boolean
            Return Me.IsNull(Me.tableDL220.SAQtyColumn)
        End Function
        
        Public Sub SetSAQtyNull()
            Me(Me.tableDL220.SAQtyColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSAAmountNull() As Boolean
            Return Me.IsNull(Me.tableDL220.SAAmountColumn)
        End Function
        
        Public Sub SetSAAmountNull()
            Me(Me.tableDL220.SAAmountColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSRQtyNull() As Boolean
            Return Me.IsNull(Me.tableDL220.SRQtyColumn)
        End Function
        
        Public Sub SetSRQtyNull()
            Me(Me.tableDL220.SRQtyColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSRAmountNull() As Boolean
            Return Me.IsNull(Me.tableDL220.SRAmountColumn)
        End Function
        
        Public Sub SetSRAmountNull()
            Me(Me.tableDL220.SRAmountColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class DL220RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As DL220Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As DL220Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As DL220Row
            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