employeesds.vb

Beginning VB.NET DatabasesAll_Code.rar

        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As EMPLOYEESRow
            Get
                Return CType(Me.Rows(index),EMPLOYEESRow)
            End Get
        End Property
        
        Public Event EMPLOYEESRowChanged As EMPLOYEESRowChangeEventHandler
        
        Public Event EMPLOYEESRowChanging As EMPLOYEESRowChangeEventHandler
        
        Public Event EMPLOYEESRowDeleted As EMPLOYEESRowChangeEventHandler
        
        Public Event EMPLOYEESRowDeleting As EMPLOYEESRowChangeEventHandler
        
        Public Overloads Sub AddEMPLOYEESRow(ByVal row As EMPLOYEESRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddEMPLOYEESRow(ByVal EMPLOYEE_ID As Decimal, ByVal FIRST_NAME As String, ByVal LAST_NAME As String, ByVal EMAIL As String) As EMPLOYEESRow
            Dim rowEMPLOYEESRow As EMPLOYEESRow = CType(Me.NewRow,EMPLOYEESRow)
            rowEMPLOYEESRow.ItemArray = New Object() {EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL}
            Me.Rows.Add(rowEMPLOYEESRow)
            Return rowEMPLOYEESRow
        End Function
        
        Public Function FindByEMPLOYEE_ID(ByVal EMPLOYEE_ID As Decimal) As EMPLOYEESRow
            Return CType(Me.Rows.Find(New Object() {EMPLOYEE_ID}),EMPLOYEESRow)
        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 EMPLOYEESDataTable = CType(MyBase.Clone,EMPLOYEESDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New EMPLOYEESDataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnEMPLOYEE_ID = Me.Columns("EMPLOYEE_ID")
            Me.columnFIRST_NAME = Me.Columns("FIRST_NAME")
            Me.columnLAST_NAME = Me.Columns("LAST_NAME")
            Me.columnEMAIL = Me.Columns("EMAIL")
        End Sub
        
        Private Sub InitClass()
            Me.columnEMPLOYEE_ID = New DataColumn("EMPLOYEE_ID", GetType(System.Decimal), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnEMPLOYEE_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.columnEMAIL = New DataColumn("EMAIL", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnEMAIL)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnEMPLOYEE_ID}, true))
            Me.columnEMPLOYEE_ID.AllowDBNull = false
            Me.columnEMPLOYEE_ID.Unique = true
            Me.columnLAST_NAME.AllowDBNull = false
            Me.columnEMAIL.AllowDBNull = false
        End Sub
        
        Public Function NewEMPLOYEESRow() As EMPLOYEESRow
            Return CType(Me.NewRow,EMPLOYEESRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New EMPLOYEESRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(EMPLOYEESRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.EMPLOYEESRowChangedEvent) Is Nothing) Then
                RaiseEvent EMPLOYEESRowChanged(Me, New EMPLOYEESRowChangeEvent(CType(e.Row,EMPLOYEESRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.EMPLOYEESRowChangingEvent) Is Nothing) Then
                RaiseEvent EMPLOYEESRowChanging(Me, New EMPLOYEESRowChangeEvent(CType(e.Row,EMPLOYEESRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.EMPLOYEESRowDeletedEvent) Is Nothing) Then
                RaiseEvent EMPLOYEESRowDeleted(Me, New EMPLOYEESRowChangeEvent(CType(e.Row,EMPLOYEESRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.EMPLOYEESRowDeletingEvent) Is Nothing) Then
                RaiseEvent EMPLOYEESRowDeleting(Me, New EMPLOYEESRowChangeEvent(CType(e.Row,EMPLOYEESRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveEMPLOYEESRow(ByVal row As EMPLOYEESRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class EMPLOYEESRow
        Inherits DataRow
        
        Private tableEMPLOYEES As EMPLOYEESDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableEMPLOYEES = CType(Me.Table,EMPLOYEESDataTable)
        End Sub
        
        Public Property EMPLOYEE_ID As Decimal
            Get
                Return CType(Me(Me.tableEMPLOYEES.EMPLOYEE_IDColumn),Decimal)
            End Get
            Set
                Me(Me.tableEMPLOYEES.EMPLOYEE_IDColumn) = value
            End Set
        End Property
        
        Public Property FIRST_NAME As String
            Get
                Try 
                    Return CType(Me(Me.tableEMPLOYEES.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.tableEMPLOYEES.FIRST_NAMEColumn) = value
            End Set
        End Property
        
        Public Property LAST_NAME As String
            Get
                Return CType(Me(Me.tableEMPLOYEES.LAST_NAMEColumn),String)
            End Get
            Set
                Me(Me.tableEMPLOYEES.LAST_NAMEColumn) = value
            End Set
        End Property
        
        Public Property EMAIL As String
            Get
                Return CType(Me(Me.tableEMPLOYEES.EMAILColumn),String)
            End Get
            Set
                Me(Me.tableEMPLOYEES.EMAILColumn) = value
            End Set
        End Property
        
        Public Function IsFIRST_NAMENull() As Boolean
            Return Me.IsNull(Me.tableEMPLOYEES.FIRST_NAMEColumn)
        End Function
        
        Public Sub SetFIRST_NAMENull()
            Me(Me.tableEMPLOYEES.FIRST_NAMEColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class EMPLOYEESRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As EMPLOYEESRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As EMPLOYEESRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As EMPLOYEESRow
            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