private static void Main()
{
var mi = ExtensionMethodsHelper.GetExtensionMethodOrNull(typeof(string), "MyExtensionMethod");
if (mi != null)
{
Console.WriteLine(mi.Invoke(null, new object[] { "hello world" }));
}
else
{
Console.WriteLine("did't find extension method with name " + "MyExtensionMethod");
}
}
public static object InvokeExtensionMethod(this object instance, string methodName, params object[] arguments)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
MethodInfo mi = ExtensionMethodsHelper.GetExtensionMethodOrNull(instance.GetType(), methodName);
if (mi == null)
{
string message = string.Format("Unable to find '{0}' extension method in '{1}' class.", methodName, instance);
throw new InvalidOperationException(message);
}
return(mi.Invoke(null, new[] { instance }.Concat(arguments).ToArray()));
}
public async Task ModificarControlAnuncio(List <int> listaCodigoAnuncios)
{
string query = @"UPDATE a set Ultimavezvisto = getdate(), NumeroVecesVistos = (ISNULL((Select numerovecesvistos from anuncios b where b.Consecutivo = a.consecutivo), 0) + 1) from Anuncios a where Consecutivo IN (" + ExtensionMethodsHelper.ConvertToCommaSeparatedString(listaCodigoAnuncios) + ")";
await _context.Database.ExecuteSqlCommandAsync(query);
}
