Làm cách nào để giải quyết dạng lỗi này?

namespace Skills_International
{
    public partial class Form1 : Form
    {
        private object txtpassword;
        private object txtpassword;

        public Form1()
        {
            InitializeComponent();
        }

Các trường hợp của lỗi này (1)

1.   Skills International Form1.Designer.cs Line:35 Column:1   Show Call Stack  
 
at Microsoft.DotNet.DesignTools.Client.CodeDom.Roslyn.CSharp.CSharpCodeDomService.Reader.AddMethod(MethodDeclarationSyntax methodDeclaration, CodeTypeMemberCollection collection)
at Microsoft.DotNet.DesignTools.Client.CodeDom.Roslyn.CSharp.CSharpCodeDomService.Reader.AddClass(ClassDeclarationSyntax classDeclaration, IList collection)
at Microsoft.DotNet.DesignTools.Client.CodeDom.Roslyn.CSharp.CSharpCodeDomService.Reader.AddNamespace(BaseNamespaceDeclarationSyntax namespaceDeclaration, CodeNamespaceCollection collection)
at Microsoft.DotNet.DesignTools.Client.CodeDom.Roslyn.CSharp.CSharpCodeDomService.Reader.Read()
at Microsoft.DotNet.DesignTools.Client.CodeDom.Roslyn.RoslynCodeDomService.d__12.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Microsoft.DotNet.DesignTools.Client.CodeDom.Roslyn.RoslynCodeDomService.d__11.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.CodeDom.CodeDomSource.d__19.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.CodeDom.CodeDomSource.d__12.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.CodeDom.CodeDomManager.d__11.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.CodeDom.CodeDomManager.d__10.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.Loader.VsDesignerLoader.d__59.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.Loader.VsDesignerLoader.<>c__DisplayClass57_0.<b__1>d.MoveNext()

Trợ giúp về lỗi này

Trợ giúp MSDN

Các bài viết trên diễn đàn về lỗi này

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Những gì tôi đã thử:

Tôi đã thử các mã trên nhưng tôi vẫn nhận được lỗi txtusername và txtpassword