您好我在azure上发布了一个应用程序.当我尝试访问BookDetail页面时,我收到InvalidColumn“Borrowed”错误.在具有PhoneNumber和Password列的UserDetail页面上也会发生同样的事情.
这是BookDetail getmethod
public IQueryable<Book> GetBook([QueryString("BookID")] int? BookID)
{
var _db = new WebApplication1.Models.LibraryContext();
IQueryable<Book> query = _db.Books;
if (BookID.HasValue && BookID > 0)
{
query = query.Where(p => p.BookID == BookID);
}
else
{
query = null;
}
if (query == null || query.Count() == 0)
{
inputUserBorrow.Visible = false;
inputUserBorrowButton.Visible = false;
}
return query;
}
这是我的模特
namespace WebApplication1.Models
{
public class LibUser
{
[Key]
public int UserID { get; set; }
[required, StringLength(50), display(Name = "First Name")]
public string UserFirstName { get; set; }
[required, StringLength(50), display(Name = "Last Name")]
public string UserLastName { get; set; }
[required, StringLength(100), display(Name = "Street"), DataType(DataType.Text)]
public string Adress { get; set; }
[required, StringLength(20), display(Name = "Phone Number"), DataType(DataType.Text)]
public string PhoneNumber { get; set; }
public string Password { get; set; }
}
public class Book
{
[Key]
public int BookID { get; set; }
public string Title { get; set; }
public string Author { get; set; }
public DateTime Published { get; set; }
public bool Borrowed { get; set; }
public Book() {
Borrowed = false;
}
}
public class Borrowed
{
[Key]
public int BorrowID { get; set; }
public int UserID { get; set; }
public int BookID { get; set; }
public string BookTitle { get; set; }
public DateTime Due { get; set; }
}
}
这是我的上下文文件
namespace WebApplication1.Models
{
public class LibraryContext : DbContext
{
public LibraryContext()
: base("LibraryContext")
{
}
public DbSet<LibUser> LibUsers { get; set; }
public DbSet<Book> Books { get; set; }
public DbSet<Borrowed> Borrows { get; set; }
}
}
堆栈跟踪
[sqlException (0x80131904): Invalid column name 'Borrowed'.]
System.Data.sqlClient.sqlConnection.OnError(sqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +1787814
System.Data.sqlClient.sqlInternalConnection.OnError(sqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) +5341674
System.Data.sqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncclose) +546
System.Data.sqlClient.TdsParser.TryRun(RunBehavior runBehavior, sqlCommand cmdHandler, sqlDataReader dataStream, BulkcopySimpleResultSet bulkcopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) +1693
System.Data.sqlClient.sqlDataReader.TryConsumeMetaData() +61
System.Data.sqlClient.sqlDataReader.get_MetaData() +90
System.Data.sqlClient.sqlCommand.FinishExecuteReader(sqlDataReader ds, RunBehavior runBehavior, String resetoptionsstring) +377
System.Data.sqlClient.sqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, sqlDataReader ds) +1421
System.Data.sqlClient.sqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, taskcompletionsource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite) +177
System.Data.sqlClient.sqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +53
System.Data.sqlClient.sqlCommand.ExecuteReader(CommandBehavior behavior, String method) +137
System.Data.sqlClient.sqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +41
System.Data.Common.DbCommand.ExecuteReader(CommandBehavior behavior) +10
System.Data.Entity.Infrastructure.Interception.DbCommanddispatcher.<Reader>b__c(DbCommand t, DbCommandInterceptionContext`1 c) +9
System.Data.Entity.Infrastructure.Interception.Internaldispatcher`1.dispatch(TTarget target, Func`3 operation, TInterceptionContext interceptionContext, Action`3 executing, Action`3 executed) +72 System.Data.Entity.Infrastructure.Interception.DbCommanddispatcher.Reader(DbCommand command, DbCommandInterceptionContext interceptionContext) +356
System.Data.Entity.Internal.InterceptableDbCommand.ExecuteDbDataReader(CommandBehavior behavior) +166
System.Data.Common.DbCommand.ExecuteReader(CommandBehavior behavior) +10
System.Data.Entity.Core.EntityClient.Internal.EntityCommandDeFinition.ExecuteStoreCommands(EntityCommand entityCommand, CommandBehavior behavior) +37
当我将我的应用程序发布到azure并在azure服务上使用新数据库时出现此问题.
非常感谢您的帮助.
解决方法:
我今天下午遇到了同样的问题.花了大约2个小时的重新部署并尝试新的迁移.关闭和打开App Service对我来说是个窍门.
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