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📄 dsselectedproducts.vb

📁 Mastering VBNet Include Source Code
💻 VB
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'------------------------------------------------------------------------------
' <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 DSSelectedProducts
    Inherits System.Data.DataSet
    
    Private tableProducts As ProductsDataTable
    
    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 Products As ProductsDataTable
        Get
            Return Me.tableProducts
        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 = "DSSelectedProducts"
        Me.Namespace = "http://www.tempuri.org/DSSelectedProducts.xsd"
        Me.tableProducts = New ProductsDataTable
        Me.Tables.Add(Me.tableProducts)
    End Sub
    
    Private Function ShouldSerializeProducts() As Boolean
        Return false
    End Function
    
    Public Delegate Sub ProductsRowChangeEventHandler(ByVal sender As Object, ByVal e As ProductsRowChangeEvent)
    
    Public Class ProductsDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnQuantityPerUnit As DataColumn
        
        Private columnUnitPrice As DataColumn
        
        Private columnUnitsInStock As DataColumn
        
        Private columnCompanyName As DataColumn
        
        Private columnProductID As DataColumn
        
        Private columnSupplierID As DataColumn
        
        Friend Sub New()
            MyBase.New("Products")
            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 QuantityPerUnitColumn As DataColumn
            Get
                Return Me.columnQuantityPerUnit
            End Get
        End Property
        
        Friend ReadOnly Property UnitPriceColumn As DataColumn
            Get
                Return Me.columnUnitPrice
            End Get
        End Property
        
        Friend ReadOnly Property UnitsInStockColumn As DataColumn
            Get
                Return Me.columnUnitsInStock
            End Get
        End Property
        
        Friend ReadOnly Property CompanyNameColumn As DataColumn
            Get
                Return Me.columnCompanyName
            End Get
        End Property
        
        Friend ReadOnly Property ProductIDColumn As DataColumn
            Get
                Return Me.columnProductID
            End Get
        End Property
        
        Friend ReadOnly Property SupplierIDColumn As DataColumn
            Get
                Return Me.columnSupplierID
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As ProductsRow
            Get
                Return CType(Me.Rows(index),ProductsRow)
            End Get
        End Property
        
        Public Event ProductsRowChanged As ProductsRowChangeEventHandler
        
        Public Event ProductsRowChanging As ProductsRowChangeEventHandler
        
        Public Event ProductsRowDeleted As ProductsRowChangeEventHandler
        
        Public Event ProductsRowDeleting As ProductsRowChangeEventHandler
        
        Public Overloads Sub AddProductsRow(ByVal row As ProductsRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddProductsRow(ByVal QuantityPerUnit As String, ByVal UnitPrice As Decimal, ByVal UnitsInStock As Short, ByVal CompanyName As String) As ProductsRow
            Dim rowProductsRow As ProductsRow = CType(Me.NewRow,ProductsRow)
            rowProductsRow.ItemArray = New Object() {QuantityPerUnit, UnitPrice, UnitsInStock, CompanyName, Nothing, Nothing}
            Me.Rows.Add(rowProductsRow)
            Return rowProductsRow
        End Function
        
        Public Function FindByProductIDSupplierID(ByVal ProductID As Integer, ByVal SupplierID As Integer) As ProductsRow
            Return CType(Me.Rows.Find(New Object() {ProductID, SupplierID}),ProductsRow)
        End Function
        
        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return Me.Rows.GetEnumerator
        End Function
        
        Private Sub InitClass()
            Me.columnQuantityPerUnit = New DataColumn("QuantityPerUnit", GetType(System.String), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnQuantityPerUnit)
            Me.columnUnitPrice = New DataColumn("UnitPrice", GetType(System.Decimal), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnUnitPrice)
            Me.columnUnitsInStock = New DataColumn("UnitsInStock", GetType(System.Int16), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnUnitsInStock)
            Me.columnCompanyName = New DataColumn("CompanyName", GetType(System.String), "", System.Data.MappingType.Element)
            Me.columnCompanyName.AllowDBNull = false
            Me.Columns.Add(Me.columnCompanyName)
            Me.columnProductID = New DataColumn("ProductID", GetType(System.Int32), "", System.Data.MappingType.Element)
            Me.columnProductID.AutoIncrement = true
            Me.columnProductID.AllowDBNull = false
            Me.columnProductID.ReadOnly = true
            Me.Columns.Add(Me.columnProductID)
            Me.columnSupplierID = New DataColumn("SupplierID", GetType(System.Int32), "", System.Data.MappingType.Element)
            Me.columnSupplierID.AutoIncrement = true
            Me.columnSupplierID.AllowDBNull = false
            Me.columnSupplierID.ReadOnly = true
            Me.Columns.Add(Me.columnSupplierID)
            Me.PrimaryKey = New DataColumn() {Me.columnProductID, Me.columnSupplierID}
        End Sub
        
        Public Function NewProductsRow() As ProductsRow
            Return CType(Me.NewRow,ProductsRow)
        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 ProductsRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(ProductsRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.ProductsRowChangedEvent) Is Nothing) Then
                RaiseEvent ProductsRowChanged(Me, New ProductsRowChangeEvent(CType(e.Row,ProductsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.ProductsRowChangingEvent) Is Nothing) Then
                RaiseEvent ProductsRowChanging(Me, New ProductsRowChangeEvent(CType(e.Row,ProductsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.ProductsRowDeletedEvent) Is Nothing) Then
                RaiseEvent ProductsRowDeleted(Me, New ProductsRowChangeEvent(CType(e.Row,ProductsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.ProductsRowDeletingEvent) Is Nothing) Then
                RaiseEvent ProductsRowDeleting(Me, New ProductsRowChangeEvent(CType(e.Row,ProductsRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveProductsRow(ByVal row As ProductsRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    Public Class ProductsRow
        Inherits DataRow
        
        Private tableProducts As ProductsDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableProducts = CType(Me.Table,ProductsDataTable)
        End Sub
        
        Public Property QuantityPerUnit As String
            Get
                Try 
                    Return CType(Me(Me.tableProducts.QuantityPerUnitColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableProducts.QuantityPerUnitColumn) = value
            End Set
        End Property
        
        Public Property UnitPrice As Decimal
            Get
                Try 
                    Return CType(Me(Me.tableProducts.UnitPriceColumn),Decimal)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableProducts.UnitPriceColumn) = value
            End Set
        End Property
        
        Public Property UnitsInStock As Short
            Get
                Try 
                    Return CType(Me(Me.tableProducts.UnitsInStockColumn),Short)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableProducts.UnitsInStockColumn) = value
            End Set
        End Property
        
        Public Property CompanyName As String
            Get
                Return CType(Me(Me.tableProducts.CompanyNameColumn),String)
            End Get
            Set
                Me(Me.tableProducts.CompanyNameColumn) = value
            End Set
        End Property
        
        Public Property ProductID As Integer
            Get
                Return CType(Me(Me.tableProducts.ProductIDColumn),Integer)
            End Get
            Set
                Me(Me.tableProducts.ProductIDColumn) = value
            End Set
        End Property
        
        Public Property SupplierID As Integer
            Get
                Return CType(Me(Me.tableProducts.SupplierIDColumn),Integer)
            End Get
            Set
                Me(Me.tableProducts.SupplierIDColumn) = value
            End Set
        End Property
        
        Public Function IsQuantityPerUnitNull() As Boolean
            Return Me.IsNull(Me.tableProducts.QuantityPerUnitColumn)
        End Function
        
        Public Sub SetQuantityPerUnitNull()
            Me(Me.tableProducts.QuantityPerUnitColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsUnitPriceNull() As Boolean
            Return Me.IsNull(Me.tableProducts.UnitPriceColumn)
        End Function
        
        Public Sub SetUnitPriceNull()
            Me(Me.tableProducts.UnitPriceColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsUnitsInStockNull() As Boolean
            Return Me.IsNull(Me.tableProducts.UnitsInStockColumn)
        End Function
        
        Public Sub SetUnitsInStockNull()
            Me(Me.tableProducts.UnitsInStockColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    Public Class ProductsRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As ProductsRow
        
        Private eventAction As System.Data.DataRowAction
        
        Public Sub New(ByVal row As ProductsRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As ProductsRow
            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

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