test.vb

connect db by vb.net

        
        Public Overloads Function Addtest2Row(ByVal Desc As String, ByVal Month As String, ByVal Signal As String, ByVal WeekNo As String, ByVal MCNo As String, ByVal Model As String, ByVal SN As String) As test2Row
            Dim rowtest2Row As test2Row = CType(Me.NewRow,test2Row)
            rowtest2Row.ItemArray = New Object() {Desc, Month, Signal, WeekNo, MCNo, Model, SN}
            Me.Rows.Add(rowtest2Row)
            Return rowtest2Row
        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 test2DataTable = CType(MyBase.Clone,test2DataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New test2DataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnDesc = Me.Columns("Desc")
            Me.columnMonth = Me.Columns("Month")
            Me.columnSignal = Me.Columns("Signal")
            Me.columnWeekNo = Me.Columns("WeekNo")
            Me.columnMCNo = Me.Columns("MCNo")
            Me.columnModel = Me.Columns("Model")
            Me.columnSN = Me.Columns("SN")
        End Sub
        
        Private Sub InitClass()
            Me.columnDesc = New DataColumn("Desc", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnDesc)
            Me.columnMonth = New DataColumn("Month", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnMonth)
            Me.columnSignal = New DataColumn("Signal", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSignal)
            Me.columnWeekNo = New DataColumn("WeekNo", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnWeekNo)
            Me.columnMCNo = New DataColumn("MCNo", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnMCNo)
            Me.columnModel = New DataColumn("Model", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnModel)
            Me.columnSN = New DataColumn("SN", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSN)
        End Sub
        
        Public Function Newtest2Row() As test2Row
            Return CType(Me.NewRow,test2Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New test2Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(test2Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.test2RowChangedEvent) Is Nothing) Then
                RaiseEvent test2RowChanged(Me, New test2RowChangeEvent(CType(e.Row,test2Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.test2RowChangingEvent) Is Nothing) Then
                RaiseEvent test2RowChanging(Me, New test2RowChangeEvent(CType(e.Row,test2Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.test2RowDeletedEvent) Is Nothing) Then
                RaiseEvent test2RowDeleted(Me, New test2RowChangeEvent(CType(e.Row,test2Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.test2RowDeletingEvent) Is Nothing) Then
                RaiseEvent test2RowDeleting(Me, New test2RowChangeEvent(CType(e.Row,test2Row), e.Action))
            End If
        End Sub
        
        Public Sub Removetest2Row(ByVal row As test2Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class test2Row
        Inherits DataRow
        
        Private tabletest2 As test2DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tabletest2 = CType(Me.Table,test2DataTable)
        End Sub
        
        Public Property Desc As String
            Get
                Try 
                    Return CType(Me(Me.tabletest2.DescColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tabletest2.DescColumn) = value
            End Set
        End Property
        
        Public Property Month As String
            Get
                Try 
                    Return CType(Me(Me.tabletest2.MonthColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tabletest2.MonthColumn) = value
            End Set
        End Property
        
        Public Property Signal As String
            Get
                Try 
                    Return CType(Me(Me.tabletest2.SignalColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tabletest2.SignalColumn) = value
            End Set
        End Property
        
        Public Property WeekNo As String
            Get
                Try 
                    Return CType(Me(Me.tabletest2.WeekNoColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tabletest2.WeekNoColumn) = value
            End Set
        End Property
        
        Public Property MCNo As String
            Get
                Try 
                    Return CType(Me(Me.tabletest2.MCNoColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tabletest2.MCNoColumn) = value
            End Set
        End Property
        
        Public Property Model As String
            Get
                Try 
                    Return CType(Me(Me.tabletest2.ModelColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tabletest2.ModelColumn) = value
            End Set
        End Property
        
        Public Property SN As String
            Get
                Try 
                    Return CType(Me(Me.tabletest2.SNColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tabletest2.SNColumn) = value
            End Set
        End Property
        
        Public Function IsDescNull() As Boolean
            Return Me.IsNull(Me.tabletest2.DescColumn)
        End Function
        
        Public Sub SetDescNull()
            Me(Me.tabletest2.DescColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsMonthNull() As Boolean
            Return Me.IsNull(Me.tabletest2.MonthColumn)
        End Function
        
        Public Sub SetMonthNull()
            Me(Me.tabletest2.MonthColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSignalNull() As Boolean
            Return Me.IsNull(Me.tabletest2.SignalColumn)
        End Function
        
        Public Sub SetSignalNull()
            Me(Me.tabletest2.SignalColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsWeekNoNull() As Boolean
            Return Me.IsNull(Me.tabletest2.WeekNoColumn)
        End Function
        
        Public Sub SetWeekNoNull()
            Me(Me.tabletest2.WeekNoColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsMCNoNull() As Boolean
            Return Me.IsNull(Me.tabletest2.MCNoColumn)
        End Function
        
        Public Sub SetMCNoNull()
            Me(Me.tabletest2.MCNoColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsModelNull() As Boolean
            Return Me.IsNull(Me.tabletest2.ModelColumn)
        End Function
        
        Public Sub SetModelNull()
            Me(Me.tabletest2.ModelColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSNNull() As Boolean
            Return Me.IsNull(Me.tabletest2.SNColumn)
        End Function
        
        Public Sub SetSNNull()
            Me(Me.tabletest2.SNColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class test2RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As test2Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As test2Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As test2Row
            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