dataset1.vb

这是我用VB和SQL制作的教材购销系统,希望大家提出宝贵意见.

'------------------------------------------------------------------------------
' <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 tableqsdj As qsdjDataTable
    
    Private tablejccl As jcclDataTable
    
    Private tablexsys As xsysDataTable
    
    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("qsdj")) Is Nothing) Then
                Me.Tables.Add(New qsdjDataTable(ds.Tables("qsdj")))
            End If
            If (Not (ds.Tables("jccl")) Is Nothing) Then
                Me.Tables.Add(New jcclDataTable(ds.Tables("jccl")))
            End If
            If (Not (ds.Tables("xsys")) Is Nothing) Then
                Me.Tables.Add(New xsysDataTable(ds.Tables("xsys")))
            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 qsdj As qsdjDataTable
        Get
            Return Me.tableqsdj
        End Get
    End Property
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property jccl As jcclDataTable
        Get
            Return Me.tablejccl
        End Get
    End Property
    
    <System.ComponentModel.Browsable(false),  _
     System.ComponentModel.DesignerSerializationVisibilityAttribute(System.ComponentModel.DesignerSerializationVisibility.Content)>  _
    Public ReadOnly Property xsys As xsysDataTable
        Get
            Return Me.tablexsys
        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("qsdj")) Is Nothing) Then
            Me.Tables.Add(New qsdjDataTable(ds.Tables("qsdj")))
        End If
        If (Not (ds.Tables("jccl")) Is Nothing) Then
            Me.Tables.Add(New jcclDataTable(ds.Tables("jccl")))
        End If
        If (Not (ds.Tables("xsys")) Is Nothing) Then
            Me.Tables.Add(New xsysDataTable(ds.Tables("xsys")))
        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.tableqsdj = CType(Me.Tables("qsdj"),qsdjDataTable)
        If (Not (Me.tableqsdj) Is Nothing) Then
            Me.tableqsdj.InitVars
        End If
        Me.tablejccl = CType(Me.Tables("jccl"),jcclDataTable)
        If (Not (Me.tablejccl) Is Nothing) Then
            Me.tablejccl.InitVars
        End If
        Me.tablexsys = CType(Me.Tables("xsys"),xsysDataTable)
        If (Not (Me.tablexsys) Is Nothing) Then
            Me.tablexsys.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.tableqsdj = New qsdjDataTable
        Me.Tables.Add(Me.tableqsdj)
        Me.tablejccl = New jcclDataTable
        Me.Tables.Add(Me.tablejccl)
        Me.tablexsys = New xsysDataTable
        Me.Tables.Add(Me.tablexsys)
    End Sub
    
    Private Function ShouldSerializeqsdj() As Boolean
        Return false
    End Function
    
    Private Function ShouldSerializejccl() As Boolean
        Return false
    End Function
    
    Private Function ShouldSerializexsys() 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 qsdjRowChangeEventHandler(ByVal sender As Object, ByVal e As qsdjRowChangeEvent)
    
    Public Delegate Sub jcclRowChangeEventHandler(ByVal sender As Object, ByVal e As jcclRowChangeEvent)
    
    Public Delegate Sub xsysRowChangeEventHandler(ByVal sender As Object, ByVal e As xsysRowChangeEvent)
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class qsdjDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private column书名 As DataColumn
        
        Private column姓名 As DataColumn
        
        Private column数量 As DataColumn
        
        Private column书号 As DataColumn
        
        Friend Sub New()
            MyBase.New("qsdj")
            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 书名Column As DataColumn
            Get
                Return Me.column书名
            End Get
        End Property
        
        Friend ReadOnly Property 姓名Column As DataColumn
            Get
                Return Me.column姓名
            End Get
        End Property
        
        Friend ReadOnly Property 数量Column As DataColumn
            Get
                Return Me.column数量
            End Get
        End Property
        
        Friend ReadOnly Property 书号Column As DataColumn
            Get
                Return Me.column书号
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As qsdjRow
            Get
                Return CType(Me.Rows(index),qsdjRow)
            End Get
        End Property
        
        Public Event qsdjRowChanged As qsdjRowChangeEventHandler
        
        Public Event qsdjRowChanging As qsdjRowChangeEventHandler
        
        Public Event qsdjRowDeleted As qsdjRowChangeEventHandler
        
        Public Event qsdjRowDeleting As qsdjRowChangeEventHandler
        
        Public Overloads Sub AddqsdjRow(ByVal row As qsdjRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddqsdjRow(ByVal 书名 As String, ByVal 姓名 As String, ByVal 数量 As String, ByVal 书号 As String) As qsdjRow
            Dim rowqsdjRow As qsdjRow = CType(Me.NewRow,qsdjRow)
            rowqsdjRow.ItemArray = New Object() {书名, 姓名, 数量, 书号}
            Me.Rows.Add(rowqsdjRow)
            Return rowqsdjRow
        End Function
        
        Public Function FindBy书号(ByVal 书号 As String) As qsdjRow
            Return CType(Me.Rows.Find(New Object() {书号}),qsdjRow)
        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 qsdjDataTable = CType(MyBase.Clone,qsdjDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New qsdjDataTable
        End Function
        
        Friend Sub InitVars()
            Me.column书名 = Me.Columns("书名")
            Me.column姓名 = Me.Columns("姓名")
            Me.column数量 = Me.Columns("数量")
            Me.column书号 = Me.Columns("书号")
        End Sub
        
        Private Sub InitClass()
            Me.column书名 = New DataColumn("书名", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column书名)
            Me.column姓名 = New DataColumn("姓名", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column姓名)
            Me.column数量 = New DataColumn("数量", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column数量)
            Me.column书号 = New DataColumn("书号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column书号)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.column书号}, true))
            Me.column书号.AllowDBNull = false
            Me.column书号.Unique = true
        End Sub
        
        Public Function NewqsdjRow() As qsdjRow
            Return CType(Me.NewRow,qsdjRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New qsdjRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(qsdjRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.qsdjRowChangedEvent) Is Nothing) Then
                RaiseEvent qsdjRowChanged(Me, New qsdjRowChangeEvent(CType(e.Row,qsdjRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.qsdjRowChangingEvent) Is Nothing) Then
                RaiseEvent qsdjRowChanging(Me, New qsdjRowChangeEvent(CType(e.Row,qsdjRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.qsdjRowDeletedEvent) Is Nothing) Then
                RaiseEvent qsdjRowDeleted(Me, New qsdjRowChangeEvent(CType(e.Row,qsdjRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.qsdjRowDeletingEvent) Is Nothing) Then
                RaiseEvent qsdjRowDeleting(Me, New qsdjRowChangeEvent(CType(e.Row,qsdjRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveqsdjRow(ByVal row As qsdjRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class qsdjRow
        Inherits DataRow