dataset1.vb

Visual Basic.net 实例入门

'------------------------------------------------------------------------------
' <autogenerated>
'     This code was generated by a tool.
'     Runtime Version: 1.0.3705.0
'
'     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 DataSet1
    Inherits DataSet
    
    Private tableguestbook As guestbookDataTable
    
    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("guestbook")) Is Nothing) Then
                Me.Tables.Add(New guestbookDataTable(ds.Tables("guestbook")))
            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 guestbook As guestbookDataTable
        Get
            Return Me.tableguestbook
        End Get
    End Property
    
    Public Overrides Function Clone() As DataSet
        Dim cln As DataSet1 = CType(MyBase.Clone,DataSet1)
        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("guestbook")) Is Nothing) Then
            Me.Tables.Add(New guestbookDataTable(ds.Tables("guestbook")))
        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.tableguestbook = CType(Me.Tables("guestbook"),guestbookDataTable)
        If (Not (Me.tableguestbook) Is Nothing) Then
            Me.tableguestbook.InitVars
        End If
    End Sub
    
    Private Sub InitClass()
        Me.DataSetName = "DataSet1"
        Me.Prefix = ""
        Me.Namespace = "http://www.tempuri.org/DataSet1.xsd"
        Me.Locale = New System.Globalization.CultureInfo("zh-CN")
        Me.CaseSensitive = false
        Me.EnforceConstraints = true
        Me.tableguestbook = New guestbookDataTable
        Me.Tables.Add(Me.tableguestbook)
    End Sub
    
    Private Function ShouldSerializeguestbook() 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 guestbookRowChangeEventHandler(ByVal sender As Object, ByVal e As guestbookRowChangeEvent)
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class guestbookDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnbiaoti As DataColumn
        
        Private columnBook_id As DataColumn
        
        Private columncontent As DataColumn
        
        Private columnPost_time As DataColumn
        
        Private columnusername As DataColumn
        
        Friend Sub New()
            MyBase.New("guestbook")
            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 biaotiColumn As DataColumn
            Get
                Return Me.columnbiaoti
            End Get
        End Property
        
        Friend ReadOnly Property Book_idColumn As DataColumn
            Get
                Return Me.columnBook_id
            End Get
        End Property
        
        Friend ReadOnly Property contentColumn As DataColumn
            Get
                Return Me.columncontent
            End Get
        End Property
        
        Friend ReadOnly Property Post_timeColumn As DataColumn
            Get
                Return Me.columnPost_time
            End Get
        End Property
        
        Friend ReadOnly Property usernameColumn As DataColumn
            Get
                Return Me.columnusername
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As guestbookRow
            Get
                Return CType(Me.Rows(index),guestbookRow)
            End Get
        End Property
        
        Public Event guestbookRowChanged As guestbookRowChangeEventHandler
        
        Public Event guestbookRowChanging As guestbookRowChangeEventHandler
        
        Public Event guestbookRowDeleted As guestbookRowChangeEventHandler
        
        Public Event guestbookRowDeleting As guestbookRowChangeEventHandler
        
        Public Overloads Sub AddguestbookRow(ByVal row As guestbookRow)
            Me.Rows.Add(row)
        End Sub