dsorders.vb

Mastering VBNet Include Source Code

'------------------------------------------------------------------------------
' <autogenerated>
'     This code was generated by a tool.
'     Runtime Version: 1.0.2914.16
'
'     Changes to this file may cause incorrect behavior and will be lost if 
'     the code is regenerated.
' </autogenerated>
'------------------------------------------------------------------------------

Option Strict Off
Option Explicit On

Imports System
Imports System.Data
Imports System.Runtime.Serialization
Imports System.Xml


<Serializable(),  _
 System.ComponentModel.DesignerCategoryAttribute("code")>  _
Public Class DSOrders
    Inherits System.Data.DataSet
    
    Private tableOrders As OrdersDataTable
    
    Public Sub New()
        MyBase.New
        Me.InitClass
    End Sub
    
    Private Sub New(ByVal info As SerializationInfo, ByVal context As StreamingContext)
        MyBase.New
        Me.InitClass
        Me.GetSerializationData(info, context)
    End Sub
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property Orders As OrdersDataTable
        Get
            Return Me.tableOrders
        End Get
    End Property
    
    Protected Overrides Function ShouldSerializeTables() As Boolean
        Return false
    End Function
    
    Protected Overrides Function ShouldSerializeRelations() As Boolean
        Return false
    End Function
    
    Protected Overrides Sub ReadXmlSerializable(ByVal reader As XmlReader)
        Me.ReadXml(reader, XmlReadMode.IgnoreSchema)
    End Sub
    
    Protected Overrides Function GetSchemaSerializable() As System.Xml.Schema.XmlSchema
        Dim stream As System.IO.MemoryStream = New System.IO.MemoryStream
        Me.WriteXmlSchema(New XmlTextWriter(stream, Nothing))
        stream.Position = 0
        Return System.Xml.Schema.XmlSchema.Read(New XmlTextReader(stream), Nothing)
    End Function
    
    Private Sub InitClass()
        Me.DataSetName = "DSOrders"
        Me.Namespace = "http://www.tempuri.org/DSOrders.xsd"
        Me.tableOrders = New OrdersDataTable
        Me.Tables.Add(Me.tableOrders)
    End Sub
    
    Private Function ShouldSerializeOrders() As Boolean
        Return false
    End Function
    
    Public Delegate Sub OrdersRowChangeEventHandler(ByVal sender As Object, ByVal e As OrdersRowChangeEvent)
    
    Public Class OrdersDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnOrderID As DataColumn
        
        Private columnOrderDate As DataColumn
        
        Private columnOrderTotal As DataColumn
        
        Friend Sub New()
            MyBase.New("Orders")
            Me.InitClass
        End Sub
        
        <System.ComponentModel.Browsable(false)>  _
        Public ReadOnly Property Count As Integer
            Get
                Return Me.Rows.Count
            End Get
        End Property
        
        Friend ReadOnly Property OrderIDColumn As DataColumn
            Get
                Return Me.columnOrderID
            End Get
        End Property
        
        Friend ReadOnly Property OrderDateColumn As DataColumn
            Get
                Return Me.columnOrderDate
            End Get
        End Property
        
        Friend ReadOnly Property OrderTotalColumn As DataColumn
            Get
                Return Me.columnOrderTotal
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As OrdersRow
            Get
                Return CType(Me.Rows(index),OrdersRow)
            End Get
        End Property
        
        Public Event OrdersRowChanged As OrdersRowChangeEventHandler
        
        Public Event OrdersRowChanging As OrdersRowChangeEventHandler
        
        Public Event OrdersRowDeleted As OrdersRowChangeEventHandler
        
        Public Event OrdersRowDeleting As OrdersRowChangeEventHandler
        
        Public Overloads Sub AddOrdersRow(ByVal row As OrdersRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddOrdersRow(ByVal OrderDate As Date, ByVal OrderTotal As Double) As OrdersRow
            Dim rowOrdersRow As OrdersRow = CType(Me.NewRow,OrdersRow)
            rowOrdersRow.ItemArray = New Object() {Nothing, OrderDate, OrderTotal}
            Me.Rows.Add(rowOrdersRow)
            Return rowOrdersRow
        End Function
        
        Public Function FindByOrderID(ByVal OrderID As Integer) As OrdersRow
            Return CType(Me.Rows.Find(New Object() {OrderID}),OrdersRow)
        End Function
        
        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return Me.Rows.GetEnumerator
        End Function
        
        Private Sub InitClass()
            Me.columnOrderID = New DataColumn("OrderID", GetType(System.Int32), "", System.Data.MappingType.Element)
            Me.columnOrderID.AutoIncrement = true
            Me.columnOrderID.AllowDBNull = false
            Me.columnOrderID.Unique = true
            Me.Columns.Add(Me.columnOrderID)
            Me.columnOrderDate = New DataColumn("OrderDate", GetType(System.DateTime), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnOrderDate)
            Me.columnOrderTotal = New DataColumn("OrderTotal", GetType(System.Double), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnOrderTotal)
            Me.PrimaryKey = New DataColumn() {Me.columnOrderID}
        End Sub
        
        Public Function NewOrdersRow() As OrdersRow
            Return CType(Me.NewRow,OrdersRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            'We need to ensure that all Rows in the tabled are typed rows.
            'Table calls newRow whenever it needs to create a row.
            'So the following conditions are covered by Row newRow(Record record)
            '* Cursor calls table.addRecord(record) 
            '* table.addRow(object[] values) calls newRow(record)    
            Return New OrdersRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(OrdersRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.OrdersRowChangedEvent) Is Nothing) Then
                RaiseEvent OrdersRowChanged(Me, New OrdersRowChangeEvent(CType(e.Row,OrdersRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.OrdersRowChangingEvent) Is Nothing) Then
                RaiseEvent OrdersRowChanging(Me, New OrdersRowChangeEvent(CType(e.Row,OrdersRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.OrdersRowDeletedEvent) Is Nothing) Then
                RaiseEvent OrdersRowDeleted(Me, New OrdersRowChangeEvent(CType(e.Row,OrdersRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.OrdersRowDeletingEvent) Is Nothing) Then
                RaiseEvent OrdersRowDeleting(Me, New OrdersRowChangeEvent(CType(e.Row,OrdersRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveOrdersRow(ByVal row As OrdersRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    Public Class OrdersRow
        Inherits DataRow
        
        Private tableOrders As OrdersDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableOrders = CType(Me.Table,OrdersDataTable)
        End Sub
        
        Public Property OrderID As Integer
            Get
                Return CType(Me(Me.tableOrders.OrderIDColumn),Integer)
            End Get
            Set
                Me(Me.tableOrders.OrderIDColumn) = value
            End Set
        End Property
        
        Public Property OrderDate As Date
            Get
                Try 
                    Return CType(Me(Me.tableOrders.OrderDateColumn),Date)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableOrders.OrderDateColumn) = value
            End Set
        End Property
        
        Public Property OrderTotal As Double
            Get
                Try 
                    Return CType(Me(Me.tableOrders.OrderTotalColumn),Double)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableOrders.OrderTotalColumn) = value
            End Set
        End Property
        
        Public Function IsOrderDateNull() As Boolean
            Return Me.IsNull(Me.tableOrders.OrderDateColumn)
        End Function
        
        Public Sub SetOrderDateNull()
            Me(Me.tableOrders.OrderDateColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsOrderTotalNull() As Boolean
            Return Me.IsNull(Me.tableOrders.OrderTotalColumn)
        End Function
        
        Public Sub SetOrderTotalNull()
            Me(Me.tableOrders.OrderTotalColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    Public Class OrdersRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As OrdersRow
        
        Private eventAction As System.Data.DataRowAction
        
        Public Sub New(ByVal row As OrdersRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As OrdersRow
            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