Validation failed for one or more entities. See 'EntityValidationErrors' property for more details.

System.Data.Entity.Validation.DbEntityValidationException: Validation failed for one or more entities. See 'EntityValidationErrors' property for more details.

System.Data.Entity.Validation.DbEntityValidationException: Validation failed for one or more entities. See 'EntityValidationErrors' property for more details.
   at System.Data.Entity.Internal.InternalContext.SaveChangesAsync(CancellationToken cancellationToken)
   at System.Data.Entity.Internal.LazyInternalContext.SaveChangesAsync(CancellationToken cancellationToken)
   at System.Data.Entity.DbContext.SaveChangesAsync(CancellationToken cancellationToken)
   at System.Data.Entity.DbContext.SaveChangesAsync()
   at Semsark.Controllers.HomeController.<Searchkey>d__36.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Web.Mvc.Async.TaskAsyncActionDescriptor.EndExecute(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<BeginInvokeAsynchronousActionMethod>b__36(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<>c__DisplayClass2b.<BeginInvokeAction>b__1c()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult)

Logged on Thursday, April 16, 2026 at 3:05:17 PM

See also:

Server Variables

NameValue
ALL_HTTPHTTP_CONNECTION:close HTTP_ACCEPT:*/* HTTP_ACCEPT_ENCODING:gzip, deflate, br HTTP_FROM:bingbot(at)microsoft.com HTTP_HOST:www.semsark.com HTTP_USER_AGENT:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/116.0.1938.76 Safari/537.36
ALL_RAWConnection: close Accept: */* Accept-Encoding: gzip, deflate, br From: bingbot(at)microsoft.com Host: www.semsark.com User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/116.0.1938.76 Safari/537.36
APPL_MD_PATH/LM/W3SVC/4/ROOT
APPL_PHYSICAL_PATHC:\inetpub\wwwroot\Semsark2\
AUTH_PASSWORD*****
AUTH_TYPE
AUTH_USER
CERT_COOKIE
CERT_FLAGS
CERT_ISSUER
CERT_KEYSIZE256
CERT_SECRETKEYSIZE2048
CERT_SERIALNUMBER
CERT_SERVER_ISSUERC=US, O=Let's Encrypt, CN=R13
CERT_SERVER_SUBJECTCN=www.semsark.com
CERT_SUBJECT
CONTENT_LENGTH0
CONTENT_TYPE
GATEWAY_INTERFACECGI/1.1
HTTP_ACCEPT*/*
HTTP_ACCEPT_ENCODINGgzip, deflate, br
HTTP_CONNECTIONclose
HTTP_FROMbingbot(at)microsoft.com
HTTP_HOSTwww.semsark.com
HTTP_USER_AGENTMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/116.0.1938.76 Safari/537.36
HTTPSon
HTTPS_KEYSIZE256
HTTPS_SECRETKEYSIZE2048
HTTPS_SERVER_ISSUERC=US, O=Let's Encrypt, CN=R13
HTTPS_SERVER_SUBJECTCN=www.semsark.com
INSTANCE_ID4
INSTANCE_META_PATH/LM/W3SVC/4
LOCAL_ADDR172.31.24.199
LOGON_USER
PATH_INFO/Searchkey
PATH_TRANSLATEDC:\inetpub\wwwroot\Semsark2\Searchkey
QUERY_STRINGCountry=eg&lang=ar&Type=1&city=1&Proviences=1&search=%C3%83%CB%9C%C3%82%C2%B4%C3%83%CB%9C%C3%82%C2%A7%C3%83%CB%9C%C3%82%C2%B1%C3%83%CB%9C%C3%82%C2%B9%20%C3%83%CB%9C%C3%82%C2%AC%C3%83%E2%84%A2%C3%A2%E2%82%AC%C2%A6%C3%83%CB%9C%C3%82%C2%A7%C3%83%E2%84%A2%C3%A2%E2%82%AC%C5%BE%20%C3%83%CB%9C%C3%82%C2%B9%C3%83%CB%9C%C3%82%C2%A8%C3%83%CB%9C%C3%82%C2%AF%20%C3%83%CB%9C%C3%82%C2%A7%C3%83%E2%84%A2%C3%A2%E2%82%AC%C5%BE%C3%83%E2%84%A2%C3%A2%E2%82%AC%C2%A0%C3%83%CB%9C%C3%82%C2%A7%C3%83%CB%9C%C3%82%C2%B5%C3%83%CB%9C%C3%82%C2%B1
REMOTE_ADDR52.167.144.173
REMOTE_HOST52.167.144.173
REMOTE_PORT25429
REMOTE_USER
REQUEST_METHODGET
SCRIPT_NAME/Searchkey
SERVER_NAMEwww.semsark.com
SERVER_PORT443
SERVER_PORT_SECURE1
SERVER_PROTOCOLHTTP/1.1
SERVER_SOFTWAREMicrosoft-IIS/10.0
URL/Searchkey