df.vb

一个功能强大的学生公寓管理系统 界面非常友好 十分强大

        
        Protected Overrides Function NewRowFromBuilder(ByVal builder As DataRowBuilder) As DataRow
            Return New 家长信息Row(builder)
        End Function
        
        Protected Overrides Function GetRowType() As System.Type
            Return GetType(家长信息Row)
        End Function
        
        Protected Overrides Sub OnRowChanged(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanged(e)
            If (Not (Me.家长信息RowChangedEvent) Is Nothing) Then
                RaiseEvent 家长信息RowChanged(Me, New 家长信息RowChangeEvent(CType(e.Row,家长信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowChanging(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowChanging(e)
            If (Not (Me.家长信息RowChangingEvent) Is Nothing) Then
                RaiseEvent 家长信息RowChanging(Me, New 家长信息RowChangeEvent(CType(e.Row,家长信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleted(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleted(e)
            If (Not (Me.家长信息RowDeletedEvent) Is Nothing) Then
                RaiseEvent 家长信息RowDeleted(Me, New 家长信息RowChangeEvent(CType(e.Row,家长信息Row), e.Action))
            End If
        End Sub
        
        Protected Overrides Sub OnRowDeleting(ByVal e As DataRowChangeEventArgs)
            MyBase.OnRowDeleting(e)
            If (Not (Me.家长信息RowDeletingEvent) Is Nothing) Then
                RaiseEvent 家长信息RowDeleting(Me, New 家长信息RowChangeEvent(CType(e.Row,家长信息Row), e.Action))
            End If
        End Sub
        
        Public Sub Remove家长信息Row(ByVal row As 家长信息Row)
            Me.Rows.Remove(row)
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 家长信息Row
        Inherits DataRow
        
        Private table家长信息 As 家长信息DataTable
        
        Friend Sub New(ByVal rb As DataRowBuilder)
            MyBase.New(rb)
            Me.table家长信息 = CType(Me.Table,家长信息DataTable)
        End Sub
        
        Public Property 父名 As String
            Get
                Try 
                    Return CType(Me(Me.table家长信息.父名Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table家长信息.父名Column) = value
            End Set
        End Property
        
        Public Property 父亲工作单位 As String
            Get
                Try 
                    Return CType(Me(Me.table家长信息.父亲工作单位Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table家长信息.父亲工作单位Column) = value
            End Set
        End Property
        
        Public Property 母名 As String
            Get
                Try 
                    Return CType(Me(Me.table家长信息.母名Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table家长信息.母名Column) = value
            End Set
        End Property
        
        Public Property 母亲工作单位 As String
            Get
                Try 
                    Return CType(Me(Me.table家长信息.母亲工作单位Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table家长信息.母亲工作单位Column) = value
            End Set
        End Property
        
        Public Property 姓名 As String
            Get
                Try 
                    Return CType(Me(Me.table家长信息.姓名Column),String)
                Catch e As InvalidCastException
                    Throw New StrongTypingException("无法获取值，因为它是 DBNull。", e)
                End Try
            End Get
            Set
                Me(Me.table家长信息.姓名Column) = value
            End Set
        End Property
        
        Public Property 学号 As String
            Get
                Return CType(Me(Me.table家长信息.学号Column),String)
            End Get
            Set
                Me(Me.table家长信息.学号Column) = value
            End Set
        End Property
        
        Public Function Is父名Null() As Boolean
            Return Me.IsNull(Me.table家长信息.父名Column)
        End Function
        
        Public Sub Set父名Null()
            Me(Me.table家长信息.父名Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is父亲工作单位Null() As Boolean
            Return Me.IsNull(Me.table家长信息.父亲工作单位Column)
        End Function
        
        Public Sub Set父亲工作单位Null()
            Me(Me.table家长信息.父亲工作单位Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is母名Null() As Boolean
            Return Me.IsNull(Me.table家长信息.母名Column)
        End Function
        
        Public Sub Set母名Null()
            Me(Me.table家长信息.母名Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is母亲工作单位Null() As Boolean
            Return Me.IsNull(Me.table家长信息.母亲工作单位Column)
        End Function
        
        Public Sub Set母亲工作单位Null()
            Me(Me.table家长信息.母亲工作单位Column) = System.Convert.DBNull
        End Sub
        
        Public Function Is姓名Null() As Boolean
            Return Me.IsNull(Me.table家长信息.姓名Column)
        End Function
        
        Public Sub Set姓名Null()
            Me(Me.table家长信息.姓名Column) = System.Convert.DBNull
        End Sub
    End Class
    
    <System.Diagnostics.DebuggerStepThrough()>  _
    Public Class 家长信息RowChangeEvent
        Inherits EventArgs
        
        Private eventRow As 家长信息Row
        
        Private eventAction As DataRowAction
        
        Public Sub New(ByVal row As 家长信息Row, ByVal action As DataRowAction)
            MyBase.New
            Me.eventRow = row
            Me.eventAction = action
        End Sub
        
        Public ReadOnly Property Row As 家长信息Row
            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 已住床位DataTable
        Inherits DataTable
        Implements System.Collections.IEnumerable
        
        Private column栋号 As DataColumn
        
        Private column房号 As DataColumn
        
        Private column已住床位 As DataColumn
        
        Friend Sub New()
            MyBase.New("已住床位")
            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 栋号Column As DataColumn
            Get
                Return Me.column栋号
            End Get
        End Property
        
        Friend ReadOnly Property 房号Column As DataColumn
            Get
                Return Me.column房号
            End Get
        End Property
        
        Friend ReadOnly Property 已住床位Column As DataColumn
            Get
                Return Me.column已住床位
            End Get
        End Property
        
        Public Default ReadOnly Property Item(ByVal index As Integer) As 已住床位Row
            Get
                Return CType(Me.Rows(index),已住床位Row)
            End Get
        End Property
        
        Public Event 已住床位RowChanged As 已住床位RowChangeEventHandler
        
        Public Event 已住床位RowChanging As 已住床位RowChangeEventHandler
        
        Public Event 已住床位RowDeleted As 已住床位RowChangeEventHandler
        
        Public Event 已住床位RowDeleting As 已住床位RowChangeEventHandler
        
        Public Overloads Sub Add已住床位Row(ByVal row As 已住床位Row)
            Me.Rows.Add(row)
        End Sub
        
        Public Overloads Function Add已住床位Row(ByVal 栋号 As String, ByVal 房号 As String, ByVal 已住床位 As String) As 已住床位Row
            Dim row已住床位Row As 已住床位Row = CType(Me.NewRow,已住床位Row)
            row已住床位Row.ItemArray = New Object() {栋号, 房号, 已住床位}
            Me.Rows.Add(row已住床位Row)
            Return row已住床位Row
        End Function
        
        Public Function FindBy栋号房号(ByVal 栋号 As String, ByVal 房号 As String) As 已住床位Row
            Return CType(Me.Rows.Find(New Object() {栋号, 房号}),已住床位Row)
        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 已住床位DataTable = CType(MyBase.Clone,已住床位DataTable)
            cln.InitVars
            Return cln
        End Function
        
        Protected Overrides Function CreateInstance() As DataTable
            Return New 已住床位DataTable
        End Function
        
        Friend Sub InitVars()
            Me.column栋号 = Me.Columns("栋号")
            Me.column房号 = Me.Columns("房号")
            Me.column已住床位 = Me.Columns("已住床位")
        End Sub
        
        Private Sub InitClass()
            Me.column栋号 = New DataColumn("栋号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column栋号)
            Me.column房号 = New DataColumn("房号", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column房号)
            Me.column已住床位 = New DataColumn("已住床位", GetType(System.String), Nothing, System.Data.MappingType.Element)
            Me.Columns.Add(Me.column已住床位)
            Me.Constraints.Add(New UniqueConstraint("Constraint1", New DataColumn() {Me.column栋号, Me.column房号}, true))
            Me.column栋号.AllowDBNull = false
            Me.column房号.AllowDBNull = false
        End Sub
        
        Public Function New已住床位Row() As 已住床位Row
            Return CType(Me.NewRow,已住床位Row)
        End Function
        
        Protected Overrides Function NewRowFromBuilder(ByVal builde