我在 Silverlight 应用程序中检索项目计数时遇到问题,要使用来自 sql 的项目填充组合框,我使用以下代码:
objctx = New BanksDomain
Dim itemType = NameComboBox.SelectedItem.[GetType]()
Dim pi = itemType.GetProperty(NameComboBox.DisplayMemberPath)
Dim cbi = pi.GetValue(NameComboBox.SelectedItem, Nothing).ToString()
Dim BankName As String = cbi
Dim query As EntityQuery(Of Branches) = objctx.GetBranchesByBankQuery(BankName)
query.IncludeTotalCount = True
Dim loadOp As LoadOperation(Of Branches) = Me.objctx.Load(query)
Branch_NameComboBox.ItemsSource = loadOp.Entities
我尝试从组合框项目计数中获取计数但无济于事,我尝试通过 textbox.text = loadop.entities.count 加载它,但它显示“0”
我不知道出了什么问题,我似乎无法做到,虽然它应该很简单,有人可以帮帮我吗