public class LocalizedRequiredAttribute : RequiredAttribute, IClientValidatable
{
private readonly string _resourceKey;
public string SourceName { get; set; } = LocalizationSourceNames.Default;
public LocalizedRequiredAttribute(string resourceKey)
{
_resourceKey = resourceKey;
}
public override string FormatErrorMessage(string name)
{
return LocalizationHelper.GetString(SourceName, _resourceKey);
}
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
{
yield return new ModelClientValidationRequiredRule(FormatErrorMessage(null));
}
} using (var db = new BloggingContext())
{
using (var trn = db.Database.BeginTransaction())
{
db.Blogs.Add(new Site { Url = "http://msdn.com/data/ef" });
db.Blogs.Add(new Site { Url = "http://blogs.msdn.com/adonet" });
db.SaveChanges();
db.Blogs.Add(new Site { Url = "http://twitter.com/efmagicunicorns" });
db.SaveChanges();
trn.Commit();
}
} public calss Test
{
public User User {get;set;}
public int UserId {get;set;}
}
public class User
{
public int Id {get;set;}
//some properties
} using (var context = new MyContext())
{
var myObject = new NonMappedType();
var query = from entity in context.MyEntities
where entity.Name.StartsWith(myObject.MyProperty)
select entity;
var results = query.ToList();
...
} using (var context = new MyContext())
{
var myObject = new NonMappedType();
var myValue = myObject.MyProperty;
var query = from entity in context.MyEntities
where entity.Name.StartsWith(myValue)
select entity;
var results = query.ToList();
...
}