northwinddataset.designer.vb

来自「wrox出版社的另一套经典的VB2005数据库编程学习书籍,收集了书中源码,郑重」· VB 代码 · 共 1,023 行 · 第 1/5 页

        Private columnRegion As System.Data.DataColumn
        
        Private columnPostalCode As System.Data.DataColumn
        
        Private columnCountry As System.Data.DataColumn
        
        Private columnPhone As System.Data.DataColumn
        
        Private columnFax As System.Data.DataColumn
        
        Public Sub New()
            MyBase.New
            Me.TableName = "Customers"
            Me.BeginInit
            Me.InitClass
            Me.EndInit
        End Sub
        
        Friend Sub New(ByVal table As System.Data.DataTable)
            MyBase.New
            Me.TableName = 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
        End Sub
        
        Protected Sub New(ByVal info As System.Runtime.Serialization.SerializationInfo, ByVal context As System.Runtime.Serialization.StreamingContext)
            MyBase.New(info, context)
            Me.InitVars
        End Sub
        
        Public ReadOnly Property CustomerIDColumn() As System.Data.DataColumn
            Get
                Return Me.columnCustomerID
            End Get
        End Property
        
        Public ReadOnly Property CompanyNameColumn() As System.Data.DataColumn
            Get
                Return Me.columnCompanyName
            End Get
        End Property
        
        Public ReadOnly Property ContactNameColumn() As System.Data.DataColumn
            Get
                Return Me.columnContactName
            End Get
        End Property
        
        Public ReadOnly Property ContactTitleColumn() As System.Data.DataColumn
            Get
                Return Me.columnContactTitle
            End Get
        End Property
        
        Public ReadOnly Property AddressColumn() As System.Data.DataColumn
            Get
                Return Me.columnAddress
            End Get
        End Property
        
        Public ReadOnly Property CityColumn() As System.Data.DataColumn
            Get
                Return Me.columnCity
            End Get
        End Property
        
        Public ReadOnly Property RegionColumn() As System.Data.DataColumn
            Get
                Return Me.columnRegion
            End Get
        End Property
        
        Public ReadOnly Property PostalCodeColumn() As System.Data.DataColumn
            Get
                Return Me.columnPostalCode
            End Get
        End Property
        
        Public ReadOnly Property CountryColumn() As System.Data.DataColumn
            Get
                Return Me.columnCountry
            End Get
        End Property
        
        Public ReadOnly Property PhoneColumn() As System.Data.DataColumn
            Get
                Return Me.columnPhone
            End Get
        End Property
        
        Public ReadOnly Property FaxColumn() As System.Data.DataColumn
            Get
                Return Me.columnFax
            End Get
        End Property
        
        <System.ComponentModel.Browsable(false)>  _
        Public ReadOnly Property Count() As Integer
            Get
                Return Me.Rows.Count
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As CustomersRow
            Get
                Return CType(Me.Rows(index),CustomersRow)
            End Get
        End Property
        
        Public Event CustomersRowChanged As CustomersRowChangeEventHandler
        
        Public Event CustomersRowChanging As CustomersRowChangeEventHandler
        
        Public Event CustomersRowDeleted As CustomersRowChangeEventHandler
        
        Public Event CustomersRowDeleting As CustomersRowChangeEventHandler
        
        Public Overloads Sub AddCustomersRow(ByVal row As CustomersRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddCustomersRow(ByVal CustomerID As String, ByVal CompanyName As String, ByVal ContactName As String, ByVal ContactTitle As String, ByVal Address As String, ByVal City As String, ByVal Region As String, ByVal PostalCode As String, ByVal Country As String, ByVal Phone As String, ByVal Fax As String) As CustomersRow
            Dim rowCustomersRow As CustomersRow = CType(Me.NewRow,CustomersRow)
            rowCustomersRow.ItemArray = New Object() {CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax}
            Me.Rows.Add(rowCustomersRow)
            Return rowCustomersRow
        End Function
        
        Public Function FindByCustomerID(ByVal CustomerID As String) As CustomersRow
            Return CType(Me.Rows.Find(New Object() {CustomerID}),CustomersRow)
        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 System.Data.DataTable
            Dim cln As CustomersDataTable = CType(MyBase.Clone,CustomersDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As System.Data.DataTable
            Return New CustomersDataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnCustomerID = MyBase.Columns("CustomerID")
            Me.columnCompanyName = MyBase.Columns("CompanyName")
            Me.columnContactName = MyBase.Columns("ContactName")
            Me.columnContactTitle = MyBase.Columns("ContactTitle")
            Me.columnAddress = MyBase.Columns("Address")
            Me.columnCity = MyBase.Columns("City")
            Me.columnRegion = MyBase.Columns("Region")
            Me.columnPostalCode = MyBase.Columns("PostalCode")
            Me.columnCountry = MyBase.Columns("Country")
            Me.columnPhone = MyBase.Columns("Phone")
            Me.columnFax = MyBase.Columns("Fax")
        End Sub
        
        Private Sub InitClass()
            Me.columnCustomerID = New System.Data.DataColumn("CustomerID", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnCustomerID)
            Me.columnCompanyName = New System.Data.DataColumn("CompanyName", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnCompanyName)
            Me.columnContactName = New System.Data.DataColumn("ContactName", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnContactName)
            Me.columnContactTitle = New System.Data.DataColumn("ContactTitle", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnContactTitle)
            Me.columnAddress = New System.Data.DataColumn("Address", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnAddress)
            Me.columnCity = New System.Data.DataColumn("City", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnCity)
            Me.columnRegion = New System.Data.DataColumn("Region", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnRegion)
            Me.columnPostalCode = New System.Data.DataColumn("PostalCode", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnPostalCode)
            Me.columnCountry = New System.Data.DataColumn("Country", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnCountry)
            Me.columnPhone = New System.Data.DataColumn("Phone", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnPhone)
            Me.columnFax = New System.Data.DataColumn("Fax", GetType(String), Nothing, System.Data.MappingType.Element)
            MyBase.Columns.Add(Me.columnFax)
            Me.Constraints.Add(New System.Data.UniqueConstraint("Constraint1", New System.Data.DataColumn() {Me.columnCustomerID}, true))
            Me.columnCustomerID.AllowDBNull = false
            Me.columnCustomerID.Unique = true
            Me.columnCustomerID.MaxLength = 5
            Me.columnCompanyName.AllowDBNull = false
            Me.columnCompanyName.MaxLength = 40
            Me.columnContactName.MaxLength = 30
            Me.columnContactTitle.MaxLength = 30
            Me.columnAddress.MaxLength = 60
            Me.columnCity.MaxLength = 15
            Me.columnRegion.MaxLength = 15
            Me.columnPostalCode.MaxLength = 10
            Me.columnCountry.MaxLength = 15