无法加载文件或程序集'System.Threading.Thread，Version = 4.0.0.0

Question

我正在使用VS2017在Xamarin中创建一个多平台应用程序，我从我的UWP应用程序中收到此错误。

System.IO.FileNotFoundException: Could not load file or assembly 'System.Threading.Thread, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. 

The system cannot find the file specified.
File name: 'System.Threading.Thread, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
   at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource 1 retry, DbConnectionOptions userOptions)
at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
at System.Data.SqlClient.SqlConnection.Open()
at SS12.DataServices.SendScalar(String qString)
at SS12.ItemsPage.CheckUserLogin(String User, String Pwd)
at SS12.ItemsPage.<Login_Clicked>d__3.MoveNext()

有没有人见过这个？可能是什么原因？

Answer 1

如果您可以定位构建16299，那么这就消失了magicamagica。

Answer 2

UWP和Xamarin最近都支持该库。

https://docs.microsoft.com/en-us/windows/uwp/data-access/sql-server-databases

请确保为秋季创作者更新设置最低支持