Asp.net mvc Web アプリケーション内に次の Action メソッドがあります。
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(SDJoin sdj, FormCollection formValues)
{
Try
{
//code goes here
repository.InsertOrUpdateSD(sdj.StorageDevice, User.Identity.Name, assetid);
repository.Save();
}
catch (Exception ex)
{
//code goes here
}
PopulateViewBagData();
return View(sdj);
}
次のメソッドを呼び出します:-
public void InsertOrUpdateSD(TMSStorageDevice sd, string username, long assetid)
{
var resource = entities.Resources.AsNoTracking().SingleOrDefault(a => a.RESOURCEID == assetid);
if (sd.TMSStorageDeviceID == default(int))
{
// New entity
int technologyypeID = GetTechnologyTypeID("Storage Device");
Technology technology = new Technology
{
IsDeleted = true,
IsCompleted = false,
TypeID = technologyypeID,
Tag = "SD" + GetTagMaximumeNumber2(technologyypeID).ToString(),
StartDate = DateTime.Now,
IT360ID = assetid
};
InsertOrUpdateTechnology(technology);
Save();
sd.TMSStorageDeviceID = technology.TechnologyID;
tms.TMSStorageDevices.Add(sd);
}
}
私のモデルクラスは次のとおりです:-
public partial class TMSStorageDevice
{
public int TMSStorageDeviceID { get; set; }
public string Name { get; set; }
public Nullable<decimal> size { get; set; }
public int RackID { get; set; }
public string CustomerName { get; set; }
public string Comment { get; set; }
public byte[] timestamp { get; set; }
public virtual Technology Technology { get; set; }
public virtual TMSRack TMSRack { get; set; }
}
しかし、Create アクション メソッドを呼び出すと、次の例外が発生します。
System.Data.Entity.Validation.DbEntityValidationException was caught
HResult=-2146232032
Message=Validation failed for one or more entities. See 'EntityValidationErrors' property for more details.
Source=EntityFramework
StackTrace:
at System.Data.Entity.Internal.InternalContext.SaveChanges()
at System.Data.Entity.Internal.LazyInternalContext.SaveChanges()
at System.Data.Entity.DbContext.SaveChanges()
at TMS.Models.Repository.Save() in c:\Users\Administrator\Documents\Visual Studio 2012\Projects\TMS\TMS\Models\Repository.cs:line 1926
at TMS.Controllers.StorageDeviceController.Create(SDJoin sdj, FormCollection formValues) in c:\Users\Administrator\Documents\Visual Studio 2012\Projects\TMS\TMS\Controllers\StorageDeviceController.cs:line 160
InnerException:
コードを再確認すると、すべてが正常に機能するはずなので、誰が何が間違っているのかアドバイスできますか? ありがとう