小编Kus*_*ake的帖子

尝试在Visual Studio中通过Xamarin.Forms预览器预览XAML文档时出现以下错误.

Android应用程序项目必须引用包含此xaml文件的项目才能在预览器中呈现.

我试过了

1. 关闭XAML文件并重新打开
2. 验证了Java SDK路径位置是否正确
3. 清洁和重建解决方案

我使用Xamarin 4.5.0.486,Android SDK 7.3.1.2,Xamarin.iOS和Xamarin.Mac SDK 10.10,Visual Studio社区版2017

我正在尝试将 Crystal Reports 的提供商从 更改为 ，OLEDBSQL因为MSOLEDBSQL不OLEDBSQL支持TLS 1.2

我的代码：

Private Sub ProcessReport()
    Dim crxRpt As New CrystalDecisions.CrystalReports.Engine.ReportDocument
    crxRpt.Load("D:\RND\Crystal Reports - Connector\CrystallReportConvertVB\SummaryReport.rpt")

     ChangeOleDbConnectionInfo(crxRpt, "SERVER", "DBNAME", "MSOLEDBSQL", False, "USERID", "PASSWORD")
End Sub

Friend Shared Sub ChangeOleDbConnectionInfo(ByVal reportDocument As ReportDocument, ByVal server As String, ByVal database As String, ByVal oledbProvider As String, ByVal integratedSecurity As Boolean, ByVal userId As String, ByVal password As String)

    Dim boMainPropertyBag = New NameValuePairs2()
    Dim boInnerPropertyBag = New NameValuePairs2()
    boInnerPropertyBag.Add(New NameValuePair2("Application Intent", …