employeeds.vb

Beginning VB.NET DatabasesAll_Code.rar

        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.employeeRowDeletedEvent) Is Nothing) Then
                RaiseEvent employeeRowDeleted(Me, New employeeRowChangeEvent(CType(e.Row,employeeRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.employeeRowDeletingEvent) Is Nothing) Then
                RaiseEvent employeeRowDeleting(Me, New employeeRowChangeEvent(CType(e.Row,employeeRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveemployeeRow(ByVal row As employeeRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class employeeRow
        Inherits DataRow
        
        Private tableemployee As employeeDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableemployee = CType(Me.Table,employeeDataTable)
        End Sub
        
        Public Property emp_id As String
            Get
                Return CType(Me(Me.tableemployee.emp_idColumn),String)
            End Get
            Set
                Me(Me.tableemployee.emp_idColumn) = value
            End Set
        End Property
        
        Public Property emp_name As String
            Get
                Try 
                    Return CType(Me(Me.tableemployee.emp_nameColumn),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("Cannot get value because it is DBNull.", e)
                End Try
            End Get
            Set
                Me(Me.tableemployee.emp_nameColumn) = value
            End Set
        End Property
        
        Public Property job_id As Short
            Get
                Return CType(Me(Me.tableemployee.job_idColumn),Short)
            End Get
            Set
                Me(Me.tableemployee.job_idColumn) = value
            End Set
        End Property
        
        Public Property hire_date As Date
            Get
                Return CType(Me(Me.tableemployee.hire_dateColumn),Date)
            End Get
            Set
                Me(Me.tableemployee.hire_dateColumn) = value
            End Set
        End Property
        
        Public Property jobsRow As jobsRow
            Get
                Return CType(Me.GetParentRow(Me.Table.ParentRelations("EmployeeJob")),jobsRow)
            End Get
            Set
                Me.SetParentRow(value, Me.Table.ParentRelations("EmployeeJob"))
            End Set
        End Property
        
        Public Function Isemp_nameNull() As Boolean
            Return Me.IsNull(Me.tableemployee.emp_nameColumn)
        End Function
        
        Public Sub Setemp_nameNull()
            Me(Me.tableemployee.emp_nameColumn) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class employeeRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As employeeRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As employeeRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As employeeRow
            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 jobsDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnjob_id As DataColumn
        
        Private columnjob_desc As DataColumn
        
        Friend Sub New()
            MyBase.New("jobs")
            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 job_idColumn As DataColumn
            Get
                Return Me.columnjob_id
            End Get
        End Property
        
        Friend ReadOnly Property job_descColumn As DataColumn
            Get
                Return Me.columnjob_desc
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As jobsRow
            Get
                Return CType(Me.Rows(index),jobsRow)
            End Get
        End Property
        
        Public Event jobsRowChanged As jobsRowChangeEventHandler
        
        Public Event jobsRowChanging As jobsRowChangeEventHandler
        
        Public Event jobsRowDeleted As jobsRowChangeEventHandler
        
        Public Event jobsRowDeleting As jobsRowChangeEventHandler
        
        Public Overloads Sub AddjobsRow(ByVal row As jobsRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddjobsRow(ByVal job_desc As String) As jobsRow
            Dim rowjobsRow As jobsRow = CType(Me.NewRow,jobsRow)
            rowjobsRow.ItemArray = New Object() {Nothing, job_desc}
            Me.Rows.Add(rowjobsRow)
            Return rowjobsRow
        End Function
        
        Public Function FindByjob_id(ByVal job_id As Short) As jobsRow
            Return CType(Me.Rows.Find(New Object() {job_id}),jobsRow)
        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 jobsDataTable = CType(MyBase.Clone,jobsDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New jobsDataTable
        End Function
        
        Friend Sub InitVars()
            Me.columnjob_id = Me.Columns("job_id")
            Me.columnjob_desc = Me.Columns("job_desc")
        End Sub
        
        Private Sub InitClass()
            Me.columnjob_id = New DataColumn("job_id", GetType(System.Int16), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnjob_id)
            Me.columnjob_desc = New DataColumn("job_desc", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnjob_desc)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnjob_id}, true))
            Me.columnjob_id.AutoIncrement = true
            Me.columnjob_id.AllowDBNull = false
            Me.columnjob_id.ReadOnly = true
            Me.columnjob_id.Unique = true
            Me.columnjob_desc.AllowDBNull = false
        End Sub
        
        Public Function NewjobsRow() As jobsRow
            Return CType(Me.NewRow,jobsRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New jobsRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(jobsRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.jobsRowChangedEvent) Is Nothing) Then
                RaiseEvent jobsRowChanged(Me, New jobsRowChangeEvent(CType(e.Row,jobsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.jobsRowChangingEvent) Is Nothing) Then
                RaiseEvent jobsRowChanging(Me, New jobsRowChangeEvent(CType(e.Row,jobsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.jobsRowDeletedEvent) Is Nothing) Then
                RaiseEvent jobsRowDeleted(Me, New jobsRowChangeEvent(CType(e.Row,jobsRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.jobsRowDeletingEvent) Is Nothing) Then
                RaiseEvent jobsRowDeleting(Me, New jobsRowChangeEvent(CType(e.Row,jobsRow), e.Action))
            End If
        End Sub
        
        Public Sub RemovejobsRow(ByVal row As jobsRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class jobsRow
        Inherits DataRow
        
        Private tablejobs As jobsDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tablejobs = CType(Me.Table,jobsDataTable)
        End Sub
        
        Public Property job_id As Short
            Get
                Return CType(Me(Me.tablejobs.job_idColumn),Short)
            End Get
            Set
                Me(Me.tablejobs.job_idColumn) = value
            End Set
        End Property
        
        Public Property job_desc As String
            Get
                Return CType(Me(Me.tablejobs.job_descColumn),String)
            End Get
            Set
                Me(Me.tablejobs.job_descColumn) = value
            End Set
        End Property
        
        Public Function GetemployeeRows() As employeeRow()
            Return CType(Me.GetChildRows(Me.Table.ChildRelations("EmployeeJob")),employeeRow())
        End Function
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class jobsRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As jobsRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As jobsRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As jobsRow
            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