dataset1.vb

图书管理系统,可以实现图书的增加,删除,修改,也可以实现用户的增加,删除,修改.

'------------------------------------------------------------------------------
' <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 tableuser_info As user_infoDataTable
    
    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("user_info")) Is Nothing) Then
                Me.Tables.Add(New user_infoDataTable(ds.Tables("user_info")))
            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 user_info As user_infoDataTable
        Get
            Return Me.tableuser_info
        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("user_info")) Is Nothing) Then
            Me.Tables.Add(New user_infoDataTable(ds.Tables("user_info")))
        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.tableuser_info = CType(Me.Tables("user_info"),user_infoDataTable)
        If (Not (Me.tableuser_info) Is Nothing) Then
            Me.tableuser_info.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.tableuser_info = New user_infoDataTable
        Me.Tables.Add(Me.tableuser_info)
    End Sub
    
    Private Function ShouldSerializeuser_info() 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 user_infoRowChangeEventHandler(ByVal sender As Object, ByVal e As user_infoRowChangeEvent)
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class user_infoDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnemailid As DataColumn
        
        Private columnlend As DataColumn
        
        Private columnpassword As DataColumn
        
        Private columnuserid As DataColumn
        
        Private columnusername As DataColumn
        
        Friend Sub New()
            MyBase.New("user_info")
            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 emailidColumn As DataColumn
            Get
                Return Me.columnemailid
            End Get
        End Property
        
        Friend ReadOnly Property lendColumn As DataColumn
            Get
                Return Me.columnlend
            End Get
        End Property
        
        Friend ReadOnly Property passwordColumn As DataColumn
            Get
                Return Me.columnpassword
            End Get
        End Property
        
        Friend ReadOnly Property useridColumn As DataColumn
            Get
                Return Me.columnuserid
            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 user_infoRow
            Get
                Return CType(Me.Rows(index),user_infoRow)
            End Get
        End Property
        
        Public Event user_infoRowChanged As user_infoRowChangeEventHandler
        
        Public Event user_infoRowChanging As user_infoRowChangeEventHandler
        
        Public Event user_infoRowDeleted As user_infoRowChangeEventHandler
        
        Public Event user_infoRowDeleting As user_infoRowChangeEventHandler
        
        Public Overloads Sub Adduser_infoRow(ByVal row As user_infoRow)
            Me.Rows.Add(row)
        End Sub