dssy230.vb

通用进销存-visual basic编写

        
        Public Property UserID As String
            Get
                Return CType(Me(Me.tableUserAuthority.UserIDColumn),String)
            End Get
            Set
                Me(Me.tableUserAuthority.UserIDColumn) = value
            End Set
        End Property
        
        Public Property ProgramID As String
            Get
                Return CType(Me(Me.tableUserAuthority.ProgramIDColumn),String)
            End Get
            Set
                Me(Me.tableUserAuthority.ProgramIDColumn) = value
            End Set
        End Property
        
        Public Property Running As Boolean
            Get
                Return CType(Me(Me.tableUserAuthority.RunningColumn),Boolean)
            End Get
            Set
                Me(Me.tableUserAuthority.RunningColumn) = value
            End Set
        End Property
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class UserAuthorityRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As UserAuthorityRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As UserAuthorityRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As UserAuthorityRow
            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 UsersDataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private columnUserID As DataColumn
        
        Private columnUserName As DataColumn
        
        Private columnPasswordCode As DataColumn
        
        Friend Sub New()
            MyBase.New("Users")
            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 UserIDColumn As DataColumn
            Get
                Return Me.columnUserID
            End Get
        End Property
        
        Friend ReadOnly Property UserNameColumn As DataColumn
            Get
                Return Me.columnUserName
            End Get
        End Property
        
        Friend ReadOnly Property PasswordCodeColumn As DataColumn
            Get
                Return Me.columnPasswordCode
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As UsersRow
            Get
                Return CType(Me.Rows(index),UsersRow)
            End Get
        End Property
        
        Public Event UsersRowChanged As UsersRowChangeEventHandler
        
        Public Event UsersRowChanging As UsersRowChangeEventHandler
        
        Public Event UsersRowDeleted As UsersRowChangeEventHandler
        
        Public Event UsersRowDeleting As UsersRowChangeEventHandler
        
        Public Overloads Sub AddUsersRow(ByVal row As UsersRow)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function AddUsersRow(ByVal UserID As String, ByVal UserName As String, ByVal PasswordCode As String) As UsersRow
            Dim rowUsersRow As UsersRow = CType(Me.NewRow,UsersRow)
            rowUsersRow.ItemArray = New Object() {UserID, UserName, PasswordCode}
            Me.Rows.Add(rowUsersRow)
            Return rowUsersRow
        End Function
        
        Public Function FindByUserID(ByVal UserID As String) As UsersRow
            Return CType(Me.Rows.Find(New Object() {UserID}),UsersRow)
        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 UsersDataTable = CType(MyBase.Clone,UsersDataTable)
            cln.InitVars
            Return cln
        End Function
        
        Friend Sub InitVars()
            Me.columnUserID = Me.Columns("UserID")
            Me.columnUserName = Me.Columns("UserName")
            Me.columnPasswordCode = Me.Columns("PasswordCode")
        End Sub
        
        Private Sub InitClass()
            Me.columnUserID = New DataColumn("UserID", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnUserID)
            Me.columnUserName = New DataColumn("UserName", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnUserName)
            Me.columnPasswordCode = New DataColumn("PasswordCode", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.columnPasswordCode)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.columnUserID}, true))
            Me.columnUserID.AllowDBNull = false
            Me.columnUserID.Unique = true
            Me.columnUserName.AllowDBNull = false
            Me.columnPasswordCode.AllowDBNull = false
        End Sub
        
        Public Function NewUsersRow() As UsersRow
            Return CType(Me.NewRow,UsersRow)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New UsersRow(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(UsersRow)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.UsersRowChangedEvent) Is Nothing) Then
                RaiseEvent UsersRowChanged(Me, New UsersRowChangeEvent(CType(e.Row,UsersRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.UsersRowChangingEvent) Is Nothing) Then
                RaiseEvent UsersRowChanging(Me, New UsersRowChangeEvent(CType(e.Row,UsersRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.UsersRowDeletedEvent) Is Nothing) Then
                RaiseEvent UsersRowDeleted(Me, New UsersRowChangeEvent(CType(e.Row,UsersRow), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.UsersRowDeletingEvent) Is Nothing) Then
                RaiseEvent UsersRowDeleting(Me, New UsersRowChangeEvent(CType(e.Row,UsersRow), e.Action))
            End If
        End Sub
        
        Public Sub RemoveUsersRow(ByVal row As UsersRow)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class UsersRow
        Inherits DataRow
        
        Private tableUsers As UsersDataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.tableUsers = CType(Me.Table,UsersDataTable)
        End Sub
        
        Public Property UserID As String
            Get
                Return CType(Me(Me.tableUsers.UserIDColumn),String)
            End Get
            Set
                Me(Me.tableUsers.UserIDColumn) = value
            End Set
        End Property
        
        Public Property UserName As String
            Get
                Return CType(Me(Me.tableUsers.UserNameColumn),String)
            End Get
            Set
                Me(Me.tableUsers.UserNameColumn) = value
            End Set
        End Property
        
        Public Property PasswordCode As String
            Get
                Return CType(Me(Me.tableUsers.PasswordCodeColumn),String)
            End Get
            Set
                Me(Me.tableUsers.PasswordCodeColumn) = value
            End Set
        End Property
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class UsersRowChangeEvent
        Inherits EventArgs
        
        Private eventRow As UsersRow
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As UsersRow, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As UsersRow
            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