mvc [Remote]标签参考单独的项目控制器

Question

first let me say I think I know my issue, but I don't know how to solve it. I've been tasked with cleaning up the validation section for our application. We have entity models and MVC Application in separate projects, one called "core" and the other called "webapp"

I can't seem to get my [Remote] validation to fire. I've done my research, but I believe it's because, I'm trying to reference a controller in my separate project.

Simplified model in my core project looks something like

namespace Project.Core.Models
{
    [Table(name: "MT_DATABASE_SERVERS")]
    public class DatabaseServer : ModelBase
    {
        [Key]
        public int Id { get; set; }

        [Required]
        [MaxLength(500)]
        [Display(Name = "Database Server")]
        [Remote("IsPropertyExists","DatabaseServers", HttpMethod = "POST",ErrorMessage = "This Server is already in use.")]
        public string ServerName { get; set; }
    }
}

and here is a simplified controller logic

namespace Project.WebApp.Controllers.Servers
{
    public class DatabaseServersController : ControllerBase
    {
        [HttpPost]
        public ActionResult Create(DatabaseServer databaseServer
        {
            using (var db = GetMTContext()) 
            {
                db.DatabaseServers.Add(databaseServer);
                db.SaveChanges();
                return RedirectToAction("List");
            }
        }

        [HttpPost]
        public ActionResult IsPropertyExists(string property)
        {
            using (var db = GetMTContext())
            {
                return Json(!db.DatabaseServers.Any(x => x.ServerName == property), JsonRequestBehavior.AllowGet);
            }
        }
    }
}

Answer 1

you need to specify AdditionalFields = "property" then your code like

 [Remote("IsPropertyExists","DatabaseServers", AdditionalFields = "property", HttpMethod = "POST",ErrorMessage = "This Server is already in use.")]
    public string ServerName { get; set;a  }

But the condition is you need to add or exist additional field property in your model or entity.