dataset3.vb

第五章 家庭财务程序开发

'------------------------------------------------------------------------------
' <autogenerated>
'     This code was generated by a tool.
'     Runtime Version: 1.0.3705.209
'
'     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(),  _
 System.ComponentModel.ToolboxItem(true)>  _
Public Class DataSet3
    Inherits DataSet
    
    Private table_Table As _TableDataTable
    
    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
    
    Protected 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("Table")) Is Nothing) Then
                Me.Tables.Add(New _TableDataTable(ds.Tables("Table")))
            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 _Table As _TableDataTable
        Get
            Return Me.table_Table
        End Get
    End Property
    
    Public Overrides Function Clone() As DataSet
        Dim cln As DataSet3 = CType(MyBase.Clone,DataSet3)
        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("Table")) Is Nothing) Then
            Me.Tables.Add(New _TableDataTable(ds.Tables("Table")))
        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.table_Table = CType(Me.Tables("Table"),_TableDataTable)
        If (Not (Me.table_Table) Is Nothing) Then
            Me.table_Table.InitVars
        End If
    End Sub
    
    Private Sub InitClass()
        Me.DataSetName = "DataSet3"
        Me.Prefix = ""
        Me.Namespace = "http://www.tempuri.org/DataSet3.xsd"
        Me.Locale = New System.Globalization.CultureInfo("zh-CN")
        Me.CaseSensitive = false
        Me.EnforceConstraints = true
        Me.table_Table = New _TableDataTable
        Me.Tables.Add(Me.table_Table)
    End Sub
    
    Private Function ShouldSerialize_Table() 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 _TableRowChangeEventHandler(ByVal sender As Object, ByVal e As _TableRowChangeEvent)
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class _TableDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private column日期 As DataColumn
        
        Private column项目名称 As DataColumn
        
        Private column金额 As DataColumn
        
        Friend Sub New()
            MyBase.New("Table")
            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 日期Column As DataColumn
            Get
                Return Me.column日期
            End Get
        End Property
        
        Friend ReadOnly Property 项目名称Column As DataColumn
            Get
                Return Me.column项目名称
            End Get
        End Property
        
        Friend ReadOnly Property 金额Column As DataColumn
            Get
                Return Me.column金额
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As _TableRow
            Get
                Return CType(Me.Rows(index),_TableRow)
            End Get
        End Property
        
        Public Event _TableRowChanged As _TableRowChangeEventHandler
        
        Public Event _TableRowChanging As _TableRowChangeEventHandler
        
        Public Event _TableRowDeleted As _TableRowChangeEventHandler
        
        Public Event _TableRowDeleting As _TableRowChangeEventHandler
        
        Public Overloads Sub Add_TableRow(ByVal row As _TableRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function Add_TableRow(ByVal 日期 As String, ByVal 项目名称 As String, ByVal 金额 As String) As _TableRow
            Dim row_TableRow As _TableRow = CType(Me.NewRow,_TableRow)
            row_TableRow.ItemArray = New Object() {日期, 项目名称, 金额}
            Me.Rows.Add(row_TableRow)
            Return row_TableRow
        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 _TableDataTable = CType(MyBase.Clone,_TableDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New _TableDataTable
        End Function
        
        Friend Sub InitVars()
            Me.column日期 = Me.Columns("日期")
            Me.column项目名称 = Me.Columns("项目名称")
            Me.column金额 = Me.Columns("金额")
        End Sub
        
        Private Sub InitClass()
            Me.column日期 = New DataColumn("日期", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column日期)
            Me.column项目名称 = New DataColumn("项目名称", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column项目名称)
            Me.column金额 = New DataColumn("金额", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column金额)
        End Sub
        
        Public Function New_TableRow() As _TableRow
            Return CType(Me.NewRow,_TableRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New _TableRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(_TableRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me._TableRowChangedEvent) Is Nothing) Then
                RaiseEvent _TableRowChanged(Me, New _TableRowChangeEvent(CType(e.Row,_TableRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me._TableRowChangingEvent) Is Nothing) Then
                RaiseEvent _TableRowChanging(Me, New _TableRowChangeEvent(CType(e.Row,_TableRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me._TableRowDeletedEvent) Is Nothing) Then
                RaiseEvent _TableRowDeleted(Me, New _TableRowChangeEvent(CType(e.Row,_TableRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me._TableRowDeletingEvent) Is Nothing) Then
                RaiseEvent _TableRowDeleting(Me, New _TableRowChangeEvent(CType(e.Row,_TableRow), e.Action))
            End If
        End Sub
        
        Public Sub Remove_TableRow(ByVal row As _TableRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class _TableRow
        Inherits DataRow
        
        Private table_Table As _TableDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.table_Table = CType(Me.Table,_TableDataTable)
        End Sub
        
        Public Property 日期 As String
            Get
                Try 
                    Return CType(Me(Me.table_Table.日期Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table_Table.日期Column) = value
            End Set
        End Property
        
        Public Property 项目名称 As String
            Get
                Try 
                    Return CType(Me(Me.table_Table.项目名称Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table_Table.项目名称Column) = value
            End Set
        End Property
        
        Public Property 金额 As String
            Get
                Try 
                    Return CType(Me(Me.table_Table.金额Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table_Table.金额Column) = value
            End Set
        End Property
        
        Public Function Is日期Null() As Boolean
            Return Me.IsNull(Me.table_Table.日期Column)
        End Function
        
        Public Sub Set日期Null()
            Me(Me.table_Table.日期Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is项目名称Null() As Boolean
            Return Me.IsNull(Me.table_Table.项目名称Column)
        End Function
        
        Public Sub Set项目名称Null()
            Me(Me.table_Table.项目名称Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is金额Null() As Boolean
            Return Me.IsNull(Me.table_Table.金额Column)
        End Function
        
        Public Sub Set金额Null()
            Me(Me.table_Table.金额Column) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class _TableRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As _TableRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As _TableRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As _TableRow
            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