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Exception Handling

Exception Handling

Handling errors is a normal part of coding any application, especially an ever-connected app. Depending on the .NET execution methods you use, you do this differently.

This article is organized as follows:

When Using Execute Methods

You can handle errors using try...catch blocks around the invocation when using Execute, ExecuteSync or ExecuteAsync.

    var allBooks = await app.WorkWith().Data<Book>().GetAll().ExecuteAsync();
catch (EverliveException ex)

When Using TryExecute Methods

The TryExecute, TryExecuteAsync, and TryExecuteSync methods allow you to handle errors without a try...catch block. Instead of the actual request result, they return an object that holds either the actual result or the error that occurred.

var allBooksResult = await app.WorkWith().Data<Book>().GetAll().TryExecuteAsync();
if (allBooksResult.Success) {
    var allBooks = allBooksResult.Result;
} else {
    EverliveException error = allBooksResult.Error;

The EverliveException Class

Whenever an error occurs while using the SDK, the EverliveException exception is thrown or instantiated. It contains the following members that provide information about the error.

  • Code—an integer value specifying the error code. Use it to build additional error handling logic in your application.
  • Message—a string describing the error. It is not recommended to directly display this message to your app users, but you can log it somewhere for your own reference.

See Also

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