C# 创建新任务没有运行整个方法

我有一个计算，I/O我想发送到另一个线程，因此在网站上，用户可以转到下一页，而无需等待计算完成。据我所知，我需要做的是像这样调用方法

var backgroundTask=Task.Run（（）=>CalculateSet（uow、profile、userId、specialtyCode））

但是当我这样做的时候，似乎调用了方法中的一行，然后就消失了。。没有一部分工作完成了

我错过什么了吗

  [Fact]
    public void Calculation_Xls()
    {
        string currentDirectory = Directory.GetCurrentDirectory();
        string filesDirectory = currentDirectory + "\\Files";
        System.Text.Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

        var builder = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json");
        Configuration = builder.Build();

        var optionsBuilder = new DbContextOptionsBuilder<RetContext>();
        optionsBuilder.UseSqlServer(Configuration.GetConnectionString("DefaultConnection"));

        int i = 0; //outer loop

        UnitOfWork uow = new UnitOfWork(new RetContext(optionsBuilder.Options));

        using (var stream = System.IO.File.Open(filesDirectory + "\\t2UserProfileDataTwoUserPerSpecialty.xlsx",
            FileMode.Open, FileAccess.Read))
        {
            using (var reader = ExcelReaderFactory.CreateReader(stream))
            {
                do
                {
                    while (reader.Read())
                    {
                        if (i != 0)
                        {
                            var userId = reader.GetString(0);
                            var specialtyCode = reader.GetString(1);
                            var userProfileElement1_WorkExp = reader.GetValue(2);
                            var userProfileElement2_VolExp = reader.GetValue(3);
                            var userProfileElement3_ResExp = reader.GetValue(4);
                            var userProfileElement4_Pubs = reader.GetValue(5);
                            var userProfileElement5_AOA = reader.GetValue(6);
                            var userProfileElement6_Nspecialties = reader.GetValue(7);
                            var userProfileElement7_PercentApps = reader.GetValue(8);

                            //Create profile
                            UserProfileData profile = new UserProfileData();
                            profile.UserProfileElement1_WorkExp = Convert.ToInt32(userProfileElement1_WorkExp);
                            profile.UserProfileElement2_VolExp = Convert.ToInt32(userProfileElement2_VolExp);
                            profile.UserProfileElement3_ResExp = Convert.ToInt32(userProfileElement3_ResExp);
                            profile.UserProfileElement4_Pubs = Convert.ToInt32(userProfileElement4_Pubs);
                            profile.UserProfileElement5_Aoa = Convert.ToBoolean(userProfileElement5_AOA);
                            profile.UserProfileElement6_Nspecialties = Convert.ToInt32(userProfileElement6_Nspecialties);
                            profile.UserProfileElement7_PercentApps = Convert.ToInt32(userProfileElement7_PercentApps);

                            //Calculate for set of programs. Selects one row at a time from XLS. BulkInsert into DB

                            //THIS ONLY RUNS ONE LINE OF THE METHOD
                             var backgroundTask = Task.Run(() =>  CalculateSet(uow, profile, userId, specialtyCode ));

                            //THIS WORKS
                            //CalculateSet(uow, profile, userId, specialtyCode);
                        }

                        i++;

                        Debug.WriteLine("Bulkcreate complete " + i);


                        //only process xxx rows
                        if (i > 1)
                        {
                            break;
                        }
                    }
                } while (reader.NextResult());
            }
        }

        Debug.WriteLine("Should get here quickly and not wait until task is done");
    }

    private void CalculateSet(UnitOfWork uow, UserProfileData profile, string userId, string specialtyCode)
    {
        //I CAN HIT THIS BREAKPOINT!
        //get specialtyId from code
        var specialtyId = uow.RefMedicalSpecialtyRepository
             .Find(x => x.Code == specialtyCode).FirstOrDefault().Id;

        //NEVER GET TO THIS BREAKPOINT
        //loop through all programs for speciality
        var programsForSpecialty = uow.RefProgramDetailDataRepository
            .Find(x => x.RefMedicalSpecialtyId == specialtyId);

        //List for bulk insert
       // List<UserProgram> userPrograms = new List<UserProgram>();

        //Write a row for each program
        foreach (RefProgramDetailData rpdd in programsForSpecialty.ToList())
        {
            //Get program info
            var programProfile = LoadData.Load_RefProgramProfileData(rpdd.Code);

            //Calculate results
            var userProgram = _calculator.CalculateAll(programProfile, profile, specialtyId, userId);

            //If the Program can not be found in program detail then skip insert
            if (userProgram == null)
            {
                Debug.WriteLine("Program NULL");
            }
            else
            {
                //Write results to UserProgram
                 uow.UserProgramRepository.Create(userProgram);

                //userPrograms.Add(userProgram);

                Debug.WriteLine("Program " + programProfile.ProgramCode);
            }
        }

        //bulk insert
       // uow.UserProgramRepository.BulkCreate(userPrograms);
    }
}

你能试一下吗

[Fact]
        public async Task Calculation_Xls()
        {
            string currentDirectory = Directory.GetCurrentDirectory();
            string filesDirectory = currentDirectory + "\\Files";
            System.Text.Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

            var builder = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json");
            Configuration = builder.Build();

            var optionsBuilder = new DbContextOptionsBuilder<RetContext>();
            optionsBuilder.UseSqlServer(Configuration.GetConnectionString("DefaultConnection"));

            int i = 0; //outer loop

            UnitOfWork uow = new UnitOfWork(new RetContext(optionsBuilder.Options));

            using (var stream = System.IO.File.Open(filesDirectory + "\\t2UserProfileDataTwoUserPerSpecialty.xlsx",
                FileMode.Open, FileAccess.Read))
            {
                using (var reader = ExcelReaderFactory.CreateReader(stream))
                {
                    do
                    {
                        while (reader.Read())
                        {
                            if (i != 0)
                            {
                                var userId = reader.GetString(0);
                                var specialtyCode = reader.GetString(1);
                                var userProfileElement1_WorkExp = reader.GetValue(2);
                                var userProfileElement2_VolExp = reader.GetValue(3);
                                var userProfileElement3_ResExp = reader.GetValue(4);
                                var userProfileElement4_Pubs = reader.GetValue(5);
                                var userProfileElement5_AOA = reader.GetValue(6);
                                var userProfileElement6_Nspecialties = reader.GetValue(7);
                                var userProfileElement7_PercentApps = reader.GetValue(8);

                                //Create profile
                                UserProfileData profile = new UserProfileData();
                                profile.UserProfileElement1_WorkExp = Convert.ToInt32(userProfileElement1_WorkExp);
                                profile.UserProfileElement2_VolExp = Convert.ToInt32(userProfileElement2_VolExp);
                                profile.UserProfileElement3_ResExp = Convert.ToInt32(userProfileElement3_ResExp);
                                profile.UserProfileElement4_Pubs = Convert.ToInt32(userProfileElement4_Pubs);
                                profile.UserProfileElement5_Aoa = Convert.ToBoolean(userProfileElement5_AOA);
                                profile.UserProfileElement6_Nspecialties = Convert.ToInt32(userProfileElement6_Nspecialties);
                                profile.UserProfileElement7_PercentApps = Convert.ToInt32(userProfileElement7_PercentApps);

                                //Calculate for set of programs. Selects one row at a time from XLS. BulkInsert into DB

                                //THIS ONLY RUNS ONE LINE OF THE METHOD
                                 var backgroundTask = await Task.Run(() =>  CalculateSet(uow, profile, userId, specialtyCode ));

                                //THIS WORKS
                                //CalculateSet(uow, profile, userId, specialtyCode);
                            }

                            i++;

                            Debug.WriteLine("Bulkcreate complete " + i);


                            //only process xxx rows
                            if (i > 1)
                            {
                                break;
                            }
                        }
                    } while (reader.NextResult());
                }
            }

            Debug.WriteLine("Should get here quickly and not wait until task is done");
        }

        private void CalculateSet(UnitOfWork uow, UserProfileData profile, string userId, string specialtyCode)
        {
            //I CAN HIT THIS BREAKPOINT!
            //get specialtyId from code
            var specialtyId = uow.RefMedicalSpecialtyRepository
                 .Find(x => x.Code == specialtyCode).FirstOrDefault().Id;

            //NEVER GET TO THIS BREAKPOINT
            //loop through all programs for speciality
            var programsForSpecialty = uow.RefProgramDetailDataRepository
                .Find(x => x.RefMedicalSpecialtyId == specialtyId);

            //List for bulk insert
           // List<UserProgram> userPrograms = new List<UserProgram>();

            //Write a row for each program
            foreach (RefProgramDetailData rpdd in programsForSpecialty.ToList())
            {
                //Get program info
                var programProfile = LoadData.Load_RefProgramProfileData(rpdd.Code);

                //Calculate results
                var userProgram = _calculator.CalculateAll(programProfile, profile, specialtyId, userId);

                //If the Program can not be found in program detail then skip insert
                if (userProgram == null)
                {
                    Debug.WriteLine("Program NULL");
                }
                else
                {
                    //Write results to UserProgram
                     uow.UserProgramRepository.Create(userProgram);

                    //userPrograms.Add(userProgram);

                    Debug.WriteLine("Program " + programProfile.ProgramCode);
                }
            }

            //bulk insert
           // uow.UserProgramRepository.BulkCreate(userPrograms);
        }
    }

[事实]
公共异步任务计算_Xls（）
{
字符串currentDirectory=Directory.GetCurrentDirectory（）；
字符串filesDirectory=currentDirectory+“\\Files”；
System.Text.Encoding.RegisterProvider（CodePagesEncodingProvider.Instance）；
var builder=new ConfigurationBuilder（）.SetBasePath（Directory.GetCurrentDirectory（））.AddJsonFile（“appsettings.json”）；
Configuration=builder.Build（）；
var optionsBuilder=new DbContextOptionsBuilder（）；
optionsBuilder.UseSqlServer（Configuration.GetConnectionString（“DefaultConnection”））；
int i=0；//外部循环
UnitOfWork uow=新的UnitOfWork（新的RetContext（optionsBuilder.Options））；
使用（var stream=System.IO.File.Open（filesDirectory+“\\t2UserProfileDataTwoUserPerSpecialty.xlsx”，
FileMode.Open，FileAccess.Read）
{
使用（var reader=ExcelReaderFactory.CreateReader（流））
{
做
{
while（reader.Read（））
{
如果（i！=0）
{
var userId=reader.GetString（0）；
var specialtyCode=reader.GetString（1）；
var userProfileElement1_WorkExp=reader.GetValue（2）；
var userProfileElement2_VolExp=reader.GetValue（3）；
var userProfileElement3_ResExp=reader.GetValue（4）；
var userProfileElement4_Pubs=reader.GetValue（5）；
var userProfileElement5_AOA=reader.GetValue（6）；
var userProfileElement6_Nspecialties=reader.GetValue（7）；
var userProfileElement7_PercentApps=reader.GetValue（8）；
//创建配置文件
UserProfileData profile=新的UserProfileData（）；
profile.UserProfileElement1\u WorkExp=Convert.ToInt32（UserProfileElement1\u WorkExp）；
profile.UserProfileElement2\u VolExp=Convert.ToInt32（UserProfileElement2\u VolExp）；
profile.UserProfileElement3\u ResExp=Convert.ToInt32（UserProfileElement3\u ResExp）；
profile.UserProfileElement4_Pubs=Convert.ToInt32（UserProfileElement4_Pubs）；
profile.UserProfileElement5_Aoa=Convert.ToBoolean（UserProfileElement5_Aoa）；
profile.UserProfileElement6\u nspecialities=Convert.ToInt32（UserProfileElement6\u nspecialities）；
profile.UserProfileElement7_%apps=Convert.ToInt32（UserProfileElement7_%apps）；
//计算程序集。从XLS.BulkInsert到DB中一次选择一行
//这只运行方法的一行
var backgroundTask=wait Task.Run（（）=>CalculateSet（uow、profile、userId、specialtyCode））；
//这很有效
//CalculateSet（uow、配置文件、用户ID、特殊代码）；
}
i++；
Debug.WriteLine（“Bulkcreate complete”+i）；
//仅处理xxx行
如果（i>1）
{
打破
}
}
}while（reader.NextResult（））；
}
}
WriteLine（“应该快速到达这里，不要等到任务完成”）；
}
私有void CalculateSet（UnitOfWork uow、UserProfileData配置文件、字符串userId、字符串specialtyCode）
{
//我能击中这个断点！
//从代码中获取specialtyId
var specialtyId=uow.RefMedicalSpecialtyRepository
.Find（x=>x.Code==specialtyCode）.FirstOrDefault（）.Id；
//永远不要到达这个断点
//循环浏览所有专业课程
var programsForSpecialty=uow.RefProgramDetailDataRepository
.Find（x=>x.RefMedicalSpecialtyId==specialtyId）；
//批量插入列表
//List userPrograms=newlist（）；
//为每个程序写一行
foreach（programsForSpecialty.ToList（）中的RefProgramDetailData rpdd）
{
//获取程序信息
var programProfile=LoadData.Load\U REF PROGRAMPROFILEDATA（rpdd.Code）；
//计算结果
var userProgram=\u calculator.CalculateAll（programProfile，profile，specialtyId，userId）；
//如果在程序详细信息中找不到该程序，则跳过插入
if（userProgram==null）
{
Debug.WriteLine（“程序空”）；
}
其他的
{
//将结果写入用户程序
uow.UserProgramRepository.Create（userProgram）；
//添加（userProgram）；
Debug.WriteLine（“程序”+programmaprofile.ProgramCo
[Fact]
        public async Task Calculation_Xls()
        {
            string currentDirectory = Directory.GetCurrentDirectory();
            string filesDirectory = currentDirectory + "\\Files";
            System.Text.Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);

            var builder = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json");
            Configuration = builder.Build();

            var optionsBuilder = new DbContextOptionsBuilder<RetContext>();
            optionsBuilder.UseSqlServer(Configuration.GetConnectionString("DefaultConnection"));

            int i = 0; //outer loop

            UnitOfWork uow = new UnitOfWork(new RetContext(optionsBuilder.Options));

            using (var stream = System.IO.File.Open(filesDirectory + "\\t2UserProfileDataTwoUserPerSpecialty.xlsx",
                FileMode.Open, FileAccess.Read))
            {
                using (var reader = ExcelReaderFactory.CreateReader(stream))
                {
                    do
                    {
                        while (reader.Read())
                        {
                            if (i != 0)
                            {
                                var userId = reader.GetString(0);
                                var specialtyCode = reader.GetString(1);
                                var userProfileElement1_WorkExp = reader.GetValue(2);
                                var userProfileElement2_VolExp = reader.GetValue(3);
                                var userProfileElement3_ResExp = reader.GetValue(4);
                                var userProfileElement4_Pubs = reader.GetValue(5);
                                var userProfileElement5_AOA = reader.GetValue(6);
                                var userProfileElement6_Nspecialties = reader.GetValue(7);
                                var userProfileElement7_PercentApps = reader.GetValue(8);

                                //Create profile
                                UserProfileData profile = new UserProfileData();
                                profile.UserProfileElement1_WorkExp = Convert.ToInt32(userProfileElement1_WorkExp);
                                profile.UserProfileElement2_VolExp = Convert.ToInt32(userProfileElement2_VolExp);
                                profile.UserProfileElement3_ResExp = Convert.ToInt32(userProfileElement3_ResExp);
                                profile.UserProfileElement4_Pubs = Convert.ToInt32(userProfileElement4_Pubs);
                                profile.UserProfileElement5_Aoa = Convert.ToBoolean(userProfileElement5_AOA);
                                profile.UserProfileElement6_Nspecialties = Convert.ToInt32(userProfileElement6_Nspecialties);
                                profile.UserProfileElement7_PercentApps = Convert.ToInt32(userProfileElement7_PercentApps);

                                //Calculate for set of programs. Selects one row at a time from XLS. BulkInsert into DB

                                //THIS ONLY RUNS ONE LINE OF THE METHOD
                                 var backgroundTask = await Task.Run(() =>  CalculateSet(uow, profile, userId, specialtyCode ));

                                //THIS WORKS
                                //CalculateSet(uow, profile, userId, specialtyCode);
                            }

                            i++;

                            Debug.WriteLine("Bulkcreate complete " + i);


                            //only process xxx rows
                            if (i > 1)
                            {
                                break;
                            }
                        }
                    } while (reader.NextResult());
                }
            }

            Debug.WriteLine("Should get here quickly and not wait until task is done");
        }

        private void CalculateSet(UnitOfWork uow, UserProfileData profile, string userId, string specialtyCode)
        {
            //I CAN HIT THIS BREAKPOINT!
            //get specialtyId from code
            var specialtyId = uow.RefMedicalSpecialtyRepository
                 .Find(x => x.Code == specialtyCode).FirstOrDefault().Id;

            //NEVER GET TO THIS BREAKPOINT
            //loop through all programs for speciality
            var programsForSpecialty = uow.RefProgramDetailDataRepository
                .Find(x => x.RefMedicalSpecialtyId == specialtyId);

            //List for bulk insert
           // List<UserProgram> userPrograms = new List<UserProgram>();

            //Write a row for each program
            foreach (RefProgramDetailData rpdd in programsForSpecialty.ToList())
            {
                //Get program info
                var programProfile = LoadData.Load_RefProgramProfileData(rpdd.Code);

                //Calculate results
                var userProgram = _calculator.CalculateAll(programProfile, profile, specialtyId, userId);

                //If the Program can not be found in program detail then skip insert
                if (userProgram == null)
                {
                    Debug.WriteLine("Program NULL");
                }
                else
                {
                    //Write results to UserProgram
                     uow.UserProgramRepository.Create(userProgram);

                    //userPrograms.Add(userProgram);

                    Debug.WriteLine("Program " + programProfile.ProgramCode);
                }
            }

            //bulk insert
           // uow.UserProgramRepository.BulkCreate(userPrograms);
        }
    }