dsar110.vb

通用进销存-visual basic编写

        
        Public Overloads Function AddBankRow(ByVal BankID As String, ByVal BankAttribName As String) As BankRow
            Dim rowBankRow As BankRow = CType(Me.NewRow,BankRow)
            rowBankRow.ItemArray = New Object() {BankID, BankAttribName}
            Me.Rows.Add(rowBankRow)
            Return rowBankRow
        End Function
        
        Public Function FindByBankID(ByVal BankID As String) As BankRow
            Return CType(Me.Rows.Find(New Object() {BankID}),BankRow)
        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 BankDataTable = CType(MyBase.Clone,BankDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Friend Sub InitVars()
            Me.columnBankID = Me.Columns("BankID")
            Me.columnBankAttribName = Me.Columns("BankAttribName")
        End Sub
        
        Private Sub InitClass()
            Me.columnBankID = New DataColumn("BankID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnBankID)
            Me.columnBankAttribName = New DataColumn("BankAttribName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnBankAttribName)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnBankID}, true))
            Me.columnBankID.AllowDBNull = false
            Me.columnBankID.Unique = true
            Me.columnBankAttribName.AllowDBNull = false
        End Sub
        
        Public Function NewBankRow() As BankRow
            Return CType(Me.NewRow,BankRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New BankRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(BankRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.BankRowChangedEvent) Is Nothing) Then
                RaiseEvent BankRowChanged(Me, New BankRowChangeEvent(CType(e.Row,BankRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.BankRowChangingEvent) Is Nothing) Then
                RaiseEvent BankRowChanging(Me, New BankRowChangeEvent(CType(e.Row,BankRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.BankRowDeletedEvent) Is Nothing) Then
                RaiseEvent BankRowDeleted(Me, New BankRowChangeEvent(CType(e.Row,BankRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.BankRowDeletingEvent) Is Nothing) Then
                RaiseEvent BankRowDeleting(Me, New BankRowChangeEvent(CType(e.Row,BankRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveBankRow(ByVal row As BankRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class BankRow
        Inherits DataRow
        
        Private tableBank As BankDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableBank = CType(Me.Table,BankDataTable)
        End Sub
        
        Public Property BankID As String
            Get
                Return CType(Me(Me.tableBank.BankIDColumn),String)
            End Get
            Set
                Me(Me.tableBank.BankIDColumn) = value
            End Set
        End Property
        
        Public Property BankAttribName As String
            Get
                Return CType(Me(Me.tableBank.BankAttribNameColumn),String)
            End Get
            Set
                Me(Me.tableBank.BankAttribNameColumn) = value
            End Set
        End Property
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class BankRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As BankRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As BankRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As BankRow
            Get
                Return Me.eventRow
            End Get
        End Property
        
        Public ReadOnly Property Action As DataRowAction
            Get
                Return Me.eventAction
            End Get
        End Property
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class CustomerDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnCustomerID As DataColumn
        
        Private columnCustomerAttribName As DataColumn
        
        Friend Sub New()
            MyBase.New("Customer")
            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 CustomerIDColumn As DataColumn
            Get
                Return Me.columnCustomerID
            End Get
        End Property
        
        Friend ReadOnly Property CustomerAttribNameColumn As DataColumn
            Get
                Return Me.columnCustomerAttribName
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As CustomerRow
            Get
                Return CType(Me.Rows(index),CustomerRow)
            End Get
        End Property
        
        Public Event CustomerRowChanged As CustomerRowChangeEventHandler
        
        Public Event CustomerRowChanging As CustomerRowChangeEventHandler
        
        Public Event CustomerRowDeleted As CustomerRowChangeEventHandler
        
        Public Event CustomerRowDeleting As CustomerRowChangeEventHandler
        
        Public Overloads Sub AddCustomerRow(ByVal row As CustomerRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddCustomerRow(ByVal CustomerID As String, ByVal CustomerAttribName As String) As CustomerRow
            Dim rowCustomerRow As CustomerRow = CType(Me.NewRow,CustomerRow)
            rowCustomerRow.ItemArray = New Object() {CustomerID, CustomerAttribName}
            Me.Rows.Add(rowCustomerRow)
            Return rowCustomerRow
        End Function
        
        Public Function FindByCustomerID(ByVal CustomerID As String) As CustomerRow
            Return CType(Me.Rows.Find(New Object() {CustomerID}),CustomerRow)
        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 CustomerDataTable = CType(MyBase.Clone,CustomerDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Friend Sub InitVars()
            Me.columnCustomerID = Me.Columns("CustomerID")
            Me.columnCustomerAttribName = Me.Columns("CustomerAttribName")
        End Sub
        
        Private Sub InitClass()
            Me.columnCustomerID = New DataColumn("CustomerID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnCustomerID)
            Me.columnCustomerAttribName = New DataColumn("CustomerAttribName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnCustomerAttribName)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnCustomerID}, true))
            Me.columnCustomerID.AllowDBNull = false
            Me.columnCustomerID.Unique = true
            Me.columnCustomerAttribName.AllowDBNull = false
        End Sub
        
        Public Function NewCustomerRow() As CustomerRow
            Return CType(Me.NewRow,CustomerRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New CustomerRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(CustomerRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.CustomerRowChangedEvent) Is Nothing) Then
                RaiseEvent CustomerRowChanged(Me, New CustomerRowChangeEvent(CType(e.Row,CustomerRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.CustomerRowChangingEvent) Is Nothing) Then
                RaiseEvent CustomerRowChanging(Me, New CustomerRowChangeEvent(CType(e.Row,CustomerRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.CustomerRowDeletedEvent) Is Nothing) Then
                RaiseEvent CustomerRowDeleted(Me, New CustomerRowChangeEvent(CType(e.Row,CustomerRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.CustomerRowDeletingEvent) Is Nothing) Then
                RaiseEvent CustomerRowDeleting(Me, New CustomerRowChangeEvent(CType(e.Row,CustomerRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveCustomerRow(ByVal row As CustomerRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class CustomerRow
        Inherits DataRow
        
        Private tableCustomer As CustomerDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableCustomer = CType(Me.Table,CustomerDataTable)
        End Sub
        
        Public Property CustomerID As String
            Get
                Return CType(Me(Me.tableCustomer.CustomerIDColumn),String)
            End Get
            Set
                Me(Me.tableCustomer.CustomerIDColumn) = value
            End Set
        End Property
        
        Public Property CustomerAttribName As String
            Get
                Return CType(Me(Me.tableCustomer.CustomerAttribNameColumn),String)
            End Get
            Set
                Me(Me.tableCustomer.CustomerAttribNameColumn) = value
            End Set
        End Property
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class CustomerRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As CustomerRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As CustomerRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As CustomerRow
            Get
                Return Me.eventRow
            End Get
        End Property
        
        Public ReadOnly Property Action As DataRowAction
            Get
                Return Me.eventAction
            End Get
        End Property
    End Class
End Class