dataset1.vb

VB与ACCESS数据库制作的的注册登陆查询系统

'------------------------------------------------------------------------------
' <autogenerated>
'     This code was generated by a tool.
'     Runtime Version: 1.1.4322.573
'
'     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 tableyonghu As yonghuDataTable
    
    Private table_123 As _123DataTable
    
    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("yonghu")) Is Nothing) Then
                Me.Tables.Add(New yonghuDataTable(ds.Tables("yonghu")))
            End If
            If (Not (ds.Tables("123")) Is Nothing) Then
                Me.Tables.Add(New _123DataTable(ds.Tables("123")))
            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 yonghu As yonghuDataTable
        Get
            Return Me.tableyonghu
        End Get
    End Property
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property _123 As _123DataTable
        Get
            Return Me.table_123
        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("yonghu")) Is Nothing) Then
            Me.Tables.Add(New yonghuDataTable(ds.Tables("yonghu")))
        End If
        If (Not (ds.Tables("123")) Is Nothing) Then
            Me.Tables.Add(New _123DataTable(ds.Tables("123")))
        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.tableyonghu = CType(Me.Tables("yonghu"),yonghuDataTable)
        If (Not (Me.tableyonghu) Is Nothing) Then
            Me.tableyonghu.InitVars
        End If
        Me.table_123 = CType(Me.Tables("123"),_123DataTable)
        If (Not (Me.table_123) Is Nothing) Then
            Me.table_123.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.tableyonghu = New yonghuDataTable
        Me.Tables.Add(Me.tableyonghu)
        Me.table_123 = New _123DataTable
        Me.Tables.Add(Me.table_123)
    End Sub
    
    Private Function ShouldSerializeyonghu() As Boolean
        Return false
    End Function
    
    Private Function ShouldSerialize_123() 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 yonghuRowChangeEventHandler(ByVal sender As Object, ByVal e As yonghuRowChangeEvent)
    
    Public Delegate Sub _123RowChangeEventHandler(ByVal sender As Object, ByVal e As _123RowChangeEvent)
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class yonghuDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnname As DataColumn
        
        Private columnpass As DataColumn
        
        Friend Sub New()
            MyBase.New("yonghu")
            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 nameColumn As DataColumn
            Get
                Return Me.columnname
            End Get
        End Property
        
        Friend ReadOnly Property passColumn As DataColumn
            Get
                Return Me.columnpass
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As yonghuRow
            Get
                Return CType(Me.Rows(index),yonghuRow)
            End Get
        End Property
        
        Public Event yonghuRowChanged As yonghuRowChangeEventHandler
        
        Public Event yonghuRowChanging As yonghuRowChangeEventHandler
        
        Public Event yonghuRowDeleted As yonghuRowChangeEventHandler
        
        Public Event yonghuRowDeleting As yonghuRowChangeEventHandler
        
        Public Overloads Sub AddyonghuRow(ByVal row As yonghuRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddyonghuRow(ByVal name As String, ByVal pass As String) As yonghuRow
            Dim rowyonghuRow As yonghuRow = CType(Me.NewRow,yonghuRow)
            rowyonghuRow.ItemArray = New Object() {name, pass}
            Me.Rows.Add(rowyonghuRow)
            Return rowyonghuRow
        End Function
        
        Public Function FindByname(ByVal name As String) As yonghuRow
            Return CType(Me.Rows.Find(New Object() {name}),yonghuRow)
        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 yonghuDataTable = CType(MyBase.Clone,yonghuDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New yonghuDataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnname = Me.Columns("name")
            Me.columnpass = Me.Columns("pass")
        End Sub
        
        Private Sub InitClass()
            Me.columnname = New DataColumn("name", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnname)
            Me.columnpass = New DataColumn("pass", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnpass)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnname}, true))
            Me.columnname.AllowDBNull = false
            Me.columnname.Unique = true
        End Sub
        
        Public Function NewyonghuRow() As yonghuRow
            Return CType(Me.NewRow,yonghuRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New yonghuRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(yonghuRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.yonghuRowChangedEvent) Is Nothing) Then
                RaiseEvent yonghuRowChanged(Me, New yonghuRowChangeEvent(CType(e.Row,yonghuRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.yonghuRowChangingEvent) Is Nothing) Then
                RaiseEvent yonghuRowChanging(Me, New yonghuRowChangeEvent(CType(e.Row,yonghuRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.yonghuRowDeletedEvent) Is Nothing) Then
                RaiseEvent yonghuRowDeleted(Me, New yonghuRowChangeEvent(CType(e.Row,yonghuRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.yonghuRowDeletingEvent) Is Nothing) Then
                RaiseEvent yonghuRowDeleting(Me, New yonghuRowChangeEvent(CType(e.Row,yonghuRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveyonghuRow(ByVal row As yonghuRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class yonghuRow
        Inherits DataRow
        
        Private tableyonghu As yonghuDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableyonghu = CType(Me.Table,yonghuDataTable)
        End Sub
        
        Public Property name As String
            Get
                Return CType(Me(Me.tableyonghu.nameColumn),String)
            End Get
            Set
                Me(Me.tableyonghu.nameColumn) = value
            End Set
        End Property
        
        Public Property pass As String
            Get
                Try 
                    Return CType(Me(Me.tableyonghu.passColumn),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.tableyonghu.passColumn) = value
            End Set
        End Property
        
        Public Function IspassNull() As Boolean
            Return Me.IsNull(Me.tableyonghu.passColumn)