dspr220.vb

通用进销存-visual basic编写

            cln.InitVars
            Return cln
        End Function
        
        Friend Sub InitVars()
            Me.columnSupplierID = Me.Columns("SupplierID")
            Me.columnProductID = Me.Columns("ProductID")
            Me.columnSupplierAttribName = Me.Columns("SupplierAttribName")
            Me.columnProductName = Me.Columns("ProductName")
            Me.columnPAQty = Me.Columns("PAQty")
            Me.columnPAAmount = Me.Columns("PAAmount")
            Me.columnPRQty = Me.Columns("PRQty")
            Me.columnPRAmount = Me.Columns("PRAmount")
        End Sub
        
        Private Sub InitClass()
            Me.columnSupplierID = New DataColumn("SupplierID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSupplierID)
            Me.columnProductID = New DataColumn("ProductID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnProductID)
            Me.columnSupplierAttribName = New DataColumn("SupplierAttribName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSupplierAttribName)
            Me.columnProductName = New DataColumn("ProductName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnProductName)
            Me.columnPAQty = New DataColumn("PAQty", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPAQty)
            Me.columnPAAmount = New DataColumn("PAAmount", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPAAmount)
            Me.columnPRQty = New DataColumn("PRQty", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPRQty)
            Me.columnPRAmount = New DataColumn("PRAmount", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPRAmount)
            Me.Constraints.Add(New UniqueConstraint("dsPR220Key1", New DataColumn() {Me.columnSupplierID, Me.columnProductID}, false))
            Me.columnSupplierID.AllowDBNull = false
            Me.columnProductID.AllowDBNull = false
        End Sub
        
        Public Function NewPR220Row() As PR220Row
            Return CType(Me.NewRow,PR220Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New PR220Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(PR220Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.PR220RowChangedEvent) Is Nothing) Then
                RaiseEvent PR220RowChanged(Me, New PR220RowChangeEvent(CType(e.Row,PR220Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.PR220RowChangingEvent) Is Nothing) Then
                RaiseEvent PR220RowChanging(Me, New PR220RowChangeEvent(CType(e.Row,PR220Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.PR220RowDeletedEvent) Is Nothing) Then
                RaiseEvent PR220RowDeleted(Me, New PR220RowChangeEvent(CType(e.Row,PR220Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.PR220RowDeletingEvent) Is Nothing) Then
                RaiseEvent PR220RowDeleting(Me, New PR220RowChangeEvent(CType(e.Row,PR220Row), e.Action))
            End If
        End Sub
        
        Public Sub RemovePR220Row(ByVal row As PR220Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class PR220Row
        Inherits DataRow
        
        Private tablePR220 As PR220DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tablePR220 = CType(Me.Table,PR220DataTable)
        End Sub
        
        Public Property SupplierID As String
            Get
                Return CType(Me(Me.tablePR220.SupplierIDColumn),String)
            End Get
            Set
                Me(Me.tablePR220.SupplierIDColumn) = value
            End Set
        End Property
        
        Public Property ProductID As String
            Get
                Return CType(Me(Me.tablePR220.ProductIDColumn),String)
            End Get
            Set
                Me(Me.tablePR220.ProductIDColumn) = value
            End Set
        End Property
        
        Public Property SupplierAttribName As String
            Get
                Try 
                    Return CType(Me(Me.tablePR220.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.tablePR220.SupplierAttribNameColumn) = value
            End Set
        End Property
        
        Public Property ProductName As String
            Get
                Try 
                    Return CType(Me(Me.tablePR220.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.tablePR220.ProductNameColumn) = value
            End Set
        End Property
        
        Public Property PAQty As Decimal
            Get
                Try 
                    Return CType(Me(Me.tablePR220.PAQtyColumn),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.tablePR220.PAQtyColumn) = value
            End Set
        End Property
        
        Public Property PAAmount As Decimal
            Get
                Try 
                    Return CType(Me(Me.tablePR220.PAAmountColumn),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.tablePR220.PAAmountColumn) = value
            End Set
        End Property
        
        Public Property PRQty As Decimal
            Get
                Try 
                    Return CType(Me(Me.tablePR220.PRQtyColumn),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.tablePR220.PRQtyColumn) = value
            End Set
        End Property
        
        Public Property PRAmount As Decimal
            Get
                Try 
                    Return CType(Me(Me.tablePR220.PRAmountColumn),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.tablePR220.PRAmountColumn) = value
            End Set
        End Property
        
        Public Function IsSupplierAttribNameNull() As Boolean
            Return Me.IsNull(Me.tablePR220.SupplierAttribNameColumn)
        End Function
        
        Public Sub SetSupplierAttribNameNull()
            Me(Me.tablePR220.SupplierAttribNameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsProductNameNull() As Boolean
            Return Me.IsNull(Me.tablePR220.ProductNameColumn)
        End Function
        
        Public Sub SetProductNameNull()
            Me(Me.tablePR220.ProductNameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPAQtyNull() As Boolean
            Return Me.IsNull(Me.tablePR220.PAQtyColumn)
        End Function
        
        Public Sub SetPAQtyNull()
            Me(Me.tablePR220.PAQtyColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPAAmountNull() As Boolean
            Return Me.IsNull(Me.tablePR220.PAAmountColumn)
        End Function
        
        Public Sub SetPAAmountNull()
            Me(Me.tablePR220.PAAmountColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPRQtyNull() As Boolean
            Return Me.IsNull(Me.tablePR220.PRQtyColumn)
        End Function
        
        Public Sub SetPRQtyNull()
            Me(Me.tablePR220.PRQtyColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsPRAmountNull() As Boolean
            Return Me.IsNull(Me.tablePR220.PRAmountColumn)
        End Function
        
        Public Sub SetPRAmountNull()
            Me(Me.tablePR220.PRAmountColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class PR220RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As PR220Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As PR220Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As PR220Row
            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