How to call async methods C#

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Hi,

i have following method in C#.

C#

public async Task<ObservableCollection<Vehicle>> GetDataAsync(string vehicleId)

What I have tried:

i am calling this method using below code.

C#

var data =  GetDataAsync("123");

i am getting the following error message.

Id = 9, Status = WaitingForActivation, Method = "{null}", Result = "{Not yet computed}

can any one help how to call methods.

Thanks..

Posted 17-Nov-16 18:50pm

viprat

Updated 17-Nov-16 20:05pm

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Mohtshm Zubair · Answer 1 · 2016-11-17T19:17:00

Solution 1

try explicit declaration

Task<observablecollection> task = GetDataAsync("123");

var result = await task;

But it seems from error that the calling method is also calling another async so better if use await

plz check also

Asynchronous Programming with Async and Await (C# and Visual Basic)[^]

Posted 17-Nov-16 19:17pm

Mohtshm Zubair

Updated 17-Nov-16 19:24pm

v3

Comments

viprat 18-Nov-16 1:24am

i tried this.. it is giving me the same error..

Mohtshm Zubair · Answer 2 · 2016-11-17T20:05:00

Solution 2

also put async before method name from where u'r calling this method.

Posted 17-Nov-16 20:05pm

Mohtshm Zubair

Updated 17-Nov-16 22:58pm

v2

Comments

viprat 18-Nov-16 5:16am

that is also not working...