dscustomerorders.vb

东软内部材料（六）ado .net相关

'------------------------------------------------------------------------------
' <autogenerated>
'     This code was generated by a tool.
'     Runtime Version: 1.0.3215.11
'
'     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"),  _
 System.Diagnostics.DebuggerStepThrough()>  _
Public Class dsCustomerOrders
    Inherits DataSet
    
    Private tableCustomerList As CustomerListDataTable
    
    Private tableOrders As OrdersDataTable
    
    Private relationCustomerListOrders As DataRelation
    
    Public Sub New()
        MyBase.New
        Me.InitClass
        Dim schemaChangedHandler As System.ComponentModel.CollectionChangeEventHandler = AddressOf Me.SchemaChanged
        AddHandler Me.Tables.CollectionChanged, schemaChangedHandler
        AddHandler Me.Relations.CollectionChanged, schemaChangedHandler
    End Sub
    
    Private Sub New(ByVal info As SerializationInfo, ByVal context As StreamingContext)
        MyBase.New
        Dim strSchema As String = CType(info.GetValue("XmlSchema", GetType(System.String)),String)
        If (Not (strSchema) Is Nothing) Then
            Dim ds As DataSet = New DataSet
            ds.ReadXmlSchema(New XmlTextReader(New System.IO.StringReader(strSchema)))
            If (Not (ds.Tables("CustomerList")) Is Nothing) Then
                Me.Tables.Add(New CustomerListDataTable(ds.Tables("CustomerList")))
            End If
            If (Not (ds.Tables("Orders")) Is Nothing) Then
                Me.Tables.Add(New OrdersDataTable(ds.Tables("Orders")))
            End If
            Me.DataSetName = ds.DataSetName
            Me.Prefix = ds.Prefix
            Me.Namespace = ds.Namespace
            Me.Locale = ds.Locale
            Me.CaseSensitive = ds.CaseSensitive
            Me.EnforceConstraints = ds.EnforceConstraints
            Me.Merge(ds, false, System.Data.MissingSchemaAction.Add)
            Me.InitVars
        Else
            Me.InitClass
        End If
        Me.GetSerializationData(info, context)
        Dim schemaChangedHandler As System.ComponentModel.CollectionChangeEventHandler = AddressOf Me.SchemaChanged
        AddHandler Me.Tables.CollectionChanged, schemaChangedHandler
        AddHandler Me.Relations.CollectionChanged, schemaChangedHandler
    End Sub
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property CustomerList As CustomerListDataTable
        Get
            Return Me.tableCustomerList
        End Get
    End Property
    
    <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
    
    Public Overrides Function Clone() As DataSet
        Dim cln As dsCustomerOrders = CType(MyBase.Clone,dsCustomerOrders)
        cln.InitVars
        Return cln
    End Function
    
    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.Reset
        Dim ds As DataSet = New DataSet
        ds.ReadXml(reader)
        If (Not (ds.Tables("CustomerList")) Is Nothing) Then
            Me.Tables.Add(New CustomerListDataTable(ds.Tables("CustomerList")))
        End If
        If (Not (ds.Tables("Orders")) Is Nothing) Then
            Me.Tables.Add(New OrdersDataTable(ds.Tables("Orders")))
        End If
        Me.DataSetName = ds.DataSetName
        Me.Prefix = ds.Prefix
        Me.Namespace = ds.Namespace
        Me.Locale = ds.Locale
        Me.CaseSensitive = ds.CaseSensitive
        Me.EnforceConstraints = ds.EnforceConstraints
        Me.Merge(ds, false, System.Data.MissingSchemaAction.Add)
        Me.InitVars
    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
    
    Friend Sub InitVars()
        Me.tableCustomerList = CType(Me.Tables("CustomerList"),CustomerListDataTable)
        If (Not (Me.tableCustomerList) Is Nothing) Then
            Me.tableCustomerList.InitVars
        End If
        Me.tableOrders = CType(Me.Tables("Orders"),OrdersDataTable)
        If (Not (Me.tableOrders) Is Nothing) Then
            Me.tableOrders.InitVars
        End If
        Me.relationCustomerListOrders = Me.Relations("CustomerListOrders")
    End Sub
    
    Private Sub InitClass()
        Me.DataSetName = "dsCustomerOrders"
        Me.Prefix = ""
        Me.Namespace = "http://www.tempuri.org/dsCustomerOrders.xsd"
        Me.Locale = New System.Globalization.CultureInfo("en-US")
        Me.CaseSensitive = false
        Me.EnforceConstraints = true
        Me.tableCustomerList = New CustomerListDataTable
        Me.Tables.Add(Me.tableCustomerList)
        Me.tableOrders = New OrdersDataTable
        Me.Tables.Add(Me.tableOrders)
        Dim fkc As ForeignKeyConstraint
        fkc = New ForeignKeyConstraint("CustomerListOrders", New DataColumn() {Me.tableCustomerList.CustomerIDColumn}, New DataColumn() {Me.tableOrders.CustomerIDColumn})
        Me.tableOrders.Constraints.Add(fkc)
        fkc.AcceptRejectRule = AcceptRejectRule.None
        fkc.DeleteRule = Rule.Cascade
        fkc.UpdateRule = Rule.Cascade
        Me.relationCustomerListOrders = New DataRelation("CustomerListOrders", New DataColumn() {Me.tableCustomerList.CustomerIDColumn}, New DataColumn() {Me.tableOrders.CustomerIDColumn}, false)
        Me.Relations.Add(Me.relationCustomerListOrders)
    End Sub
    
    Private Function ShouldSerializeCustomerList() As Boolean
        Return false
    End Function
    
    Private Function ShouldSerializeOrders() As Boolean
        Return false
    End Function
    
    Private Sub SchemaChanged(ByVal sender As Object, ByVal e As System.ComponentModel.CollectionChangeEventArgs)
        If (e.Action = System.ComponentModel.CollectionChangeAction.Remove) Then
            Me.InitVars
        End If
    End Sub
    
    Public Delegate Sub CustomerListRowChangeEventHandler(ByVal sender As Object, ByVal e As CustomerListRowChangeEvent)
    
    Public Delegate Sub OrdersRowChangeEventHandler(ByVal sender As Object, ByVal e As OrdersRowChangeEvent)
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class CustomerListDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnCompanyName As DataColumn
        
        Private columnCustomerID As DataColumn
        
        Private columnFullID As DataColumn
        
        Friend Sub New()
            MyBase.New("CustomerList")
            Me.InitClass
        End Sub
        
        Friend Sub New(ByVal table As DataTable)
            MyBase.New(table.TableName)
            If (table.CaseSensitive <> table.DataSet.CaseSensitive) Then
                Me.CaseSensitive = table.CaseSensitive
            End If
            If (table.Locale.ToString <> table.DataSet.Locale.ToString) Then
                Me.Locale = table.Locale
            End If
            If (table.Namespace <> table.DataSet.Namespace) Then
                Me.Namespace = table.Namespace
            End If
            Me.Prefix = table.Prefix
            Me.MinimumCapacity = table.MinimumCapacity
            Me.DisplayExpression = table.DisplayExpression
        End Sub
        
        <System.ComponentModel.Browsable(false)>  _
        Public ReadOnly Property Count As Integer
            Get
                Return Me.Rows.Count
            End Get
        End Property
        
        Friend ReadOnly Property CompanyNameColumn As DataColumn
            Get
                Return Me.columnCompanyName
            End Get
        End Property
        
        Friend ReadOnly Property CustomerIDColumn As DataColumn
            Get
                Return Me.columnCustomerID
            End Get
        End Property
        
        Friend ReadOnly Property FullIDColumn As DataColumn
            Get
                Return Me.columnFullID
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As CustomerListRow
            Get
                Return CType(Me.Rows(index),CustomerListRow)
            End Get
        End Property
        
        Public Event CustomerListRowChanged As CustomerListRowChangeEventHandler
        
        Public Event CustomerListRowChanging As CustomerListRowChangeEventHandler
        
        Public Event CustomerListRowDeleted As CustomerListRowChangeEventHandler
        
        Public Event CustomerListRowDeleting As CustomerListRowChangeEventHandler
        
        Public Overloads Sub AddCustomerListRow(ByVal row As CustomerListRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddCustomerListRow(ByVal CompanyName As String, ByVal CustomerID As String, ByVal FullID As String) As CustomerListRow
            Dim rowCustomerListRow As CustomerListRow = CType(Me.NewRow,CustomerListRow)
            rowCustomerListRow.ItemArray = New Object() {CompanyName, CustomerID, FullID}
            Me.Rows.Add(rowCustomerListRow)
            Return rowCustomerListRow
        End Function
        
        Public Function FindByCustomerID(ByVal CustomerID As String) As CustomerListRow
            Return CType(Me.Rows.Find(New Object() {CustomerID}),CustomerListRow)
        End Function
        
        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return Me.Rows.GetEnumerator
        End Function
        
        Public Overrides Function Clone() As DataTable
            Dim cln As CustomerListDataTable = CType(MyBase.Clone,CustomerListDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Friend Sub InitVars()
            Me.columnCompanyName = Me.Columns("CompanyName")
            Me.columnCustomerID = Me.Columns("CustomerID")
            Me.columnFullID = Me.Columns("FullID")
        End Sub
        
        Private Sub InitClass()
            Me.columnCompanyName = New DataColumn("CompanyName", GetType(System.String), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnCompanyName)
            Me.columnCustomerID = New DataColumn("CustomerID", GetType(System.String), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnCustomerID)
            Me.columnFullID = New DataColumn("FullID", GetType(System.String), "", System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnFullID)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnCustomerID}, true))
            Me.columnCustomerID.AllowDBNull = false
            Me.columnCustomerID.Unique = true
            Me.columnFullID.ReadOnly = true
        End Sub
        
        Public Function NewCustomerListRow() As CustomerListRow
            Return CType(Me.NewRow,CustomerListRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New CustomerListRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(CustomerListRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.CustomerListRowChangedEvent) Is Nothing) Then
                RaiseEvent CustomerListRowChanged(Me, New CustomerListRowChangeEvent(CType(e.Row,CustomerListRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.CustomerListRowChangingEvent) Is Nothing) Then
                RaiseEvent CustomerListRowChanging(Me, New CustomerListRowChangeEvent(CType(e.Row,CustomerListRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.CustomerListRowDeletedEvent) Is Nothing) Then
                RaiseEvent CustomerListRowDeleted(Me, New CustomerListRowChangeEvent(CType(e.Row,CustomerListRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.CustomerListRowDeletingEvent) Is Nothing) Then
                RaiseEvent CustomerListRowDeleting(Me, New CustomerListRowChangeEvent(CType(e.Row,CustomerListRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveCustomerListRow(ByVal row As CustomerListRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class CustomerListRow
        Inherits DataRow
        
        Private tableCustomerList As CustomerListDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableCustomerList = CType(Me.Table,CustomerListDataTable)