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Event scheduler notification [closed]

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I am working on code to send an sms to customer one week before their subscription reach expiration date. I absolutely don't know how to proceed. I am coding in asp.net c# and sql server.

Create one console Application which will take user whos expiration comes in week, Then write code to fetch the user with there numbers. Then use any third party Api to send sms. you have to send parameters to this Api with your appropriate message.
Then create one job inside sql server which will run everyday which will execute your Console Application code to send SMS.

I would say, separate out publishing and subscription tasks. So in future you can do more with such customers.
Prepare a Publisher which looks for such customers and adds a task to Queue.
Write a Subscriber who watch outs for new queue items and take action.
So in future if you want to make multiple way of communicating to customer like, email then you just need to add more subscriber.
Host your logic as a .NET windows or IIS service.
Benefit: Publisher can independently perform addition.
Subscriber performs task as soon it sees something in queue.

Thread State Management in Asynchronous Programming [closed]

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I am new to asynchronous programming in .Net using C#. All I have understood so far is :
With asynchronous programming, threads that are waiting for a web service or database to return data are freed up to service new requests until the data the is received.
Once the data is received, the thread is restarted and continue processing the code that comes after that call.
Now , I wanted to know in details How the state is managed for the thread so that it can start executing from the point the async call was made.
If it uses a stack to handle that, Can some one please give me an insight into the process?
Thanks,
Mayank

Now , I wanted to know in details How the state is managed for the thread so that it can start executing from the point the async call was made.
Async method are divided into smaller chunks. Basically, when compiling async method, for every await keyword new method is generated.
Keep in mind, that this is a big simplification and it's all done behind the scenes and you really don't need to know how it works in order to use it.

c# notify a running process [closed]

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Is it possible to somehow notify a running process from the "outside"?
I have a C# program that theoretical runs forever. And I would like to notify it to trigger some action manually. It would be best, if this solution is possible on Windows and Linux (mono).
EDIT:
The solution should work without a user interface
My program is, as for now, a part of web service. On initializing, a new Theread is created, which uses the Task class to stay alive

Take your forever-running-process and let it provide a webservice other processes can call.
You might use any cross-plattform webservice framework like WebApi or ServiceStack to achieve this via HTTP calls. This will even work over the internet (if the machines can reach each other).
There are dozens of approaches. You could also use named pipes for example, or put commands into a database (the other process has to query regularly) or - if you're fearless enough - write/read files to communicate. Be creative ...

C#: How do I wait 10 seconds for a client to call a method? [closed]

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On a server(Web API), I have methods A and B. When method A reaches a certain point it uses SignalR to call a client method with a certain ID and then has to wait 10 seconds. If a client calls web method B with that ID within those 10 seconds then method A enters Path 1. If a client does not call method B then method A enters Path 2. Do you have any ideas on how to implement that?
Thank you,
Peter Chikov

HTTP is designed to be stateless. If possible, the server should not be attempting to keep track of the client's state. Can you change your implementation so that the client initiates a new request after the SignalR call and then enters path #1 or #2?

is there any solution for making 10000 concurrent web requests in C#? [closed]

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I want to test my asp.net web api REST service that hosted in a HP-580dl and I want to measure the performance and response time when 10,000 simultaneous requests hit the service.
is there any way to do that in C# ?

Siege is a good tool for measuring load under concurrent requests: http://www.joedog.org/siege-home/
It's not written in C#, but there's no reason why it should be.

The Visual Studio load testing tools provide this functionality, and can control multiple agents in cases where you want a distributed profile and/or a greater concurrency level than a single client machine can support.
Create and run a load test