Asp.net Web API | Async await or Task.Run

Question

User370603270 posted

Hello Guys,

I've asp.net web API integrated with public ui web site

the website will have many concurrent users  that submit applications , api pull this to database.

the API do a lot functions like :

Get Data

Update Data 

Upload files

I'm trying to use Async operations ( specially in upload documents ) 

I edited all function to use await Task.Run()=>bla())) , like this :

if (Someconditions)
{
await Task.Run(() => Function1());
await Task.Run(() => Function2())
if (Someconditions)
await Task.Run(() => Function3())

if (Someconditions)
await Task.Run(() => CreateUpdateDocumentDetails)); // Uploading document

For document upload function , I'm very confused 

Should  I use await  UploadDocumentAsync() , or Task.Run(()=>UploadDocumetSync) or Task.Run(()=>UploadDocumentAsync)

Also Does Task.Run(SyncFunc())  mean all above function runs asynchronously without marked them as async  and is it good practice? 

Last questions what's the difference between this and making all functions (async / await)   

Thanks

Answer 1

User1120430333 posted

So what about the database that will have many users using it concurrently  and record lockout conditions in the database tables due to concurrent usage?

Answer 2

User-474980206 posted
Using an async method is better than starting a new thread just to run an sync operation as async. There is a lot less overhead.