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at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndD

Piersall, Scott 0 Reputation points
2025-06-08T23:11:59.5266667+00:00

|at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.Host.ServerHost.d__16.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext()|at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.Host.ServerHost.d__16.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext()|at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.Host.ServerHost.d__16.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext()| | -------- | -------- | -------- | |at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.Host.ServerHost.d__16.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext()at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.Host.ServerHost.d__16.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext() at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.Host.ServerHost.d__16.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext()

End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext()

End of stack trace from previous ___location where exception was thrown ---
at
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
task)
at
Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext() at StreamJsonRpc.JsonRpc.d__154`1.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.Host.ServerHost.d__16.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__29.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.<>c__DisplayClass25_1.<<-ctor>b__1>d.MoveNext() --- End of stack trace from previous ___location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.DotNet.DesignTools.Client.DesignToolsClientLoader.d__27.MoveNext()|

Cannot view forms in visual studio designer after upgrading project from .net framework to .net core

.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
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  1. Bruce (SqlWork.com) 77,631 Reputation points Volunteer Moderator
    2025-06-09T16:24:13.4833333+00:00

    does the project build correctly? be sure there are no errors in any of the *.designer.cs files. also you may not have the correct nuget packages.

    in general the designer will not work until the projects builds correctly.

    migration hint: in the original .net framework project, move as much code as possible to library projects. then convert all library projects to .netstandard 2.0. after this works, convert the main project. also for any 3rd part code, check if they support .net core. if not, replace in the old project first if possible.

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