SqlHelperAllT Method

public DatabaseResult<IEnumerable<T>> All<T>()

using (SqlHelper sqlHelper = new SqlHelper("SqlServer"))
{
    DatabaseResult<IEnumerable<Employee>> result = sqlHelper.All<Employee>();

    if (result.IsSuccess) {
        IEnumerable<Employee> employees = result.Result;

        //Do something
    } else {
        Exception exception = result.Exception;

        //Error handling
    }
}