dataset1.vb

Programming Web and Desktop Applications in ADO .NET and ASP .NET

            Me.Columns.Add(Me.columnFriend_ID)
            Me.columnFirst_Name = New DataColumn("First Name", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnFirst_Name)
            Me.columnLast_Name = New DataColumn("Last Name", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnLast_Name)
            Me.columnDate_of_Birth = New DataColumn("Date of Birth", GetType(System.DateTime), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnDate_of_Birth)
            Me.columnSpouse_ID = New DataColumn("Spouse ID", GetType(System.Int32), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnSpouse_ID)
            Me.columnStreet = New DataColumn("Street", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnStreet)
            Me.columnCity = New DataColumn("City", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnCity)
            Me.columnState = New DataColumn("State", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnState)
            Me.columnTelephone = New DataColumn("Telephone", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnTelephone)
            Me.columnZIP_Code = New DataColumn("ZIP Code", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnZIP_Code)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnFriend_ID}, true))
            Me.columnFriend_ID.AutoIncrement = true
            Me.columnFriend_ID.AllowDBNull = false
            Me.columnFriend_ID.ReadOnly = true
            Me.columnFriend_ID.Unique = true
        End Sub
        
        Public Function NewFriendsRow() As FriendsRow
            Return CType(Me.NewRow,FriendsRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New FriendsRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(FriendsRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.FriendsRowChangedEvent) Is Nothing) Then
                RaiseEvent FriendsRowChanged(Me, New FriendsRowChangeEvent(CType(e.Row,FriendsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.FriendsRowChangingEvent) Is Nothing) Then
                RaiseEvent FriendsRowChanging(Me, New FriendsRowChangeEvent(CType(e.Row,FriendsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.FriendsRowDeletedEvent) Is Nothing) Then
                RaiseEvent FriendsRowDeleted(Me, New FriendsRowChangeEvent(CType(e.Row,FriendsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.FriendsRowDeletingEvent) Is Nothing) Then
                RaiseEvent FriendsRowDeleting(Me, New FriendsRowChangeEvent(CType(e.Row,FriendsRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveFriendsRow(ByVal row As FriendsRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class FriendsRow
        Inherits DataRow
        
        Private tableFriends As FriendsDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableFriends = CType(Me.Table,FriendsDataTable)
        End Sub
        
        Public Property Friend_ID As Integer
            Get
                Return CType(Me(Me.tableFriends.Friend_IDColumn),Integer)
            End Get
            Set
                Me(Me.tableFriends.Friend_IDColumn) = value
            End Set
        End Property
        
        Public Property First_Name As String
            Get
                Try 
                    Return CType(Me(Me.tableFriends.First_NameColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.First_NameColumn) = value
            End Set
        End Property
        
        Public Property Last_Name As String
            Get
                Try 
                    Return CType(Me(Me.tableFriends.Last_NameColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.Last_NameColumn) = value
            End Set
        End Property
        
        Public Property Date_of_Birth As Date
            Get
                Try 
                    Return CType(Me(Me.tableFriends.Date_of_BirthColumn),Date)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.Date_of_BirthColumn) = value
            End Set
        End Property
        
        Public Property Spouse_ID As Integer
            Get
                Try 
                    Return CType(Me(Me.tableFriends.Spouse_IDColumn),Integer)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.Spouse_IDColumn) = value
            End Set
        End Property
        
        Public Property Street As String
            Get
                Try 
                    Return CType(Me(Me.tableFriends.StreetColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.StreetColumn) = value
            End Set
        End Property
        
        Public Property City As String
            Get
                Try 
                    Return CType(Me(Me.tableFriends.CityColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.CityColumn) = value
            End Set
        End Property
        
        Public Property State As String
            Get
                Try 
                    Return CType(Me(Me.tableFriends.StateColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.StateColumn) = value
            End Set
        End Property
        
        Public Property Telephone As String
            Get
                Try 
                    Return CType(Me(Me.tableFriends.TelephoneColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.TelephoneColumn) = value
            End Set
        End Property
        
        Public Property ZIP_Code As String
            Get
                Try 
                    Return CType(Me(Me.tableFriends.ZIP_CodeColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableFriends.ZIP_CodeColumn) = value
            End Set
        End Property
        
        Public Function IsFirst_NameNull() As Boolean
            Return Me.IsNull(Me.tableFriends.First_NameColumn)
        End Function
        
        Public Sub SetFirst_NameNull()
            Me(Me.tableFriends.First_NameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsLast_NameNull() As Boolean
            Return Me.IsNull(Me.tableFriends.Last_NameColumn)
        End Function
        
        Public Sub SetLast_NameNull()
            Me(Me.tableFriends.Last_NameColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsDate_of_BirthNull() As Boolean
            Return Me.IsNull(Me.tableFriends.Date_of_BirthColumn)
        End Function
        
        Public Sub SetDate_of_BirthNull()
            Me(Me.tableFriends.Date_of_BirthColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsSpouse_IDNull() As Boolean
            Return Me.IsNull(Me.tableFriends.Spouse_IDColumn)
        End Function
        
        Public Sub SetSpouse_IDNull()
            Me(Me.tableFriends.Spouse_IDColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsStreetNull() As Boolean
            Return Me.IsNull(Me.tableFriends.StreetColumn)
        End Function
        
        Public Sub SetStreetNull()
            Me(Me.tableFriends.StreetColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsCityNull() As Boolean
            Return Me.IsNull(Me.tableFriends.CityColumn)
        End Function
        
        Public Sub SetCityNull()
            Me(Me.tableFriends.CityColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsStateNull() As Boolean
            Return Me.IsNull(Me.tableFriends.StateColumn)
        End Function
        
        Public Sub SetStateNull()
            Me(Me.tableFriends.StateColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsTelephoneNull() As Boolean
            Return Me.IsNull(Me.tableFriends.TelephoneColumn)
        End Function
        
        Public Sub SetTelephoneNull()
            Me(Me.tableFriends.TelephoneColumn) = System.Convert.DBNull
        End Sub
        
        Public Function IsZIP_CodeNull() As Boolean
            Return Me.IsNull(Me.tableFriends.ZIP_CodeColumn)
        End Function
        
        Public Sub SetZIP_CodeNull()
            Me(Me.tableFriends.ZIP_CodeColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class FriendsRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As FriendsRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As FriendsRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As FriendsRow
            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