static void Main()
{
var context = new NewsDBContext();
var data = context.News.Find(1);
//WARNING: Concurency handling should be tested by running two instances of the app.
while (true)
{
try
{
data.Content = Console.ReadLine();
context.SaveChanges();
Console.WriteLine("Changes successfully saved in the DB.");
break;
}
catch (DbUpdateConcurrencyException exc)
{
exc.Entries.Single().Reload();
Console.WriteLine("Conflict! Text from DB:" + context.News.Find(1).Content
+ ". Enter the corrected text:");
}
}
}
static void Main()
{
var context = new NewsDBContext();
var newContext = new NewsDBContext();
var firstNews = context.News.FirstOrDefault();
Console.WriteLine("Application started");
Console.Write("Text from DB: ");
Console.WriteLine(firstNews.NewsContent);
Console.WriteLine("Enter the corrected text: ");
firstNews.NewsContent = Console.ReadLine();
try
{
context.SaveChanges();
Console.WriteLine("Changes successfully saved in the DB.");
}
catch (DbUpdateConcurrencyException ex)
{
var textFromDB = newContext.News.FirstOrDefault();
Console.WriteLine("Conflict! Text from DB: {0}. Enter the corrected text:", textFromDB.NewsContent);
Main();
}
}
public static void Main()
{
using (var db = new NewsDBContext())
{
db.News.Add(new News { Content = "Some very long and interesting content!" });
db.SaveChanges();
}
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
news = new News();
editNews = new EditNews();
success = new Success();
error = new Error();
Application.Run(news);
using (var context = new NewsDBContext())
{
var loadedEntity = context.News.First();
CatchConcurrencyConflict(context, loadedEntity);
}
}
public NewsletterRepository(NewsDBContext context)
{
_context = context;
}
public CommentRepository(NewsDBContext context)
{
_context = context;
}
public UnitOfWork(NewsDBContext context, IMapper mapper, IConfiguration configuration)
{
_Context = context;
_mapper = mapper;
_configuration = configuration;
}
public RankController(NewsDBContext context)
{
_context = context;
}
public CategoryRepository(NewsDBContext context, IMapper mapper)
{
_context = context;
_mapper = mapper;
_context.CheckArgumentIsNull(nameof(_context));
}
public NewsService(NewsDBContext dbContext)
{
this._dbContext = dbContext;
}
