Vb.net 可从datacontext获取的泛型
我正在寻找一种方法来创建一个通用函数/属性,以便从我的datacontext中获取表。 现在我有几个属性,每个属性都调用GetTable函数,但我想将它们合并到一个泛型函数中Vb.net 可从datacontext获取的泛型,vb.net,linq,generics,Vb.net,Linq,Generics,我正在寻找一种方法来创建一个通用函数/属性,以便从我的datacontext中获取表。 现在我有几个属性,每个属性都调用GetTable函数,但我想将它们合并到一个泛型函数中 Partial Public Class SAdminDataContext Inherits DataContext Public ReadOnly Property GetCustomer() As Table(Of Customer) Get Try Retur
Partial Public Class SAdminDataContext
Inherits DataContext
Public ReadOnly Property GetCustomer() As Table(Of Customer)
Get
Try
Return GetTable(Of Customer)()
Catch ex As Exception
Return Nothing
End Try
End Get
End Property
'...
Public ReadOnly Property GetCustomerPerson() As Table(Of CustomerPerson)
Get
Try
Return GetTable(Of CustomerPerson)()
Catch ex As Exception
Return Nothing
End Try
End Get
End Property End Class
然后我得到如下数据:
dim datasource = dataContext.GetCustomer
你可以用另一层泛型来包装
Public Function GetIt(Of T)() As List(Of T)
Dim it As New List(Of T)
Return it
End Function
并称之为:
Dim l = GetIt(Of String)()
同样的概念也适用于上述方法。gettableoft方法呢?