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Net-Framework/ASP_dot_Net-Core/Errors Installation of .NET Core 2.1 on a web server 07.11.2018 707 Installation of NET Core 2 1 on a web server Problem: If you upload a new web page with Asp Net Core 2 1 to a web server and try to start it, then first an error message 502 5 appears on the web server Net-Framework/ASP_dot_Net-Core/Errors Set upload of very large files in Asp.Net MVC Core 2. 24.08.2018 8567 Set upload of very large files in Asp Net MVC Core 2 Problem: If you want to upload large files or videos with 200 MB or 1 5 GB in asp net core 2 1 Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Kestrel web server Asp.Net Core 2 MVC hangs 11.05.2018 1585 Status: Open After a few incorrect accesses to SQL Server, the internal web server of Asp Net Core MVC hangs The problem is that then the entire application hangs for all web clients You then have to restart the IIS web server and web application by stopping th Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Asp Net Core MVC: Login failed for user IIS APPPOOL \ Readdy 19.04.2018 4859 Asp Net Core MVC: Login failed for user 'IIS APPPOOL Readdy' The following error message comes when you want to access an SQL Server in an Asp Net Core 2 MVC application -> An error occurred using the connection to database Status: solve Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Error message: An assembly specified in the application dependencies manifest was not found 18.04.2018 3333 Error message: An assembly specified in the application dependencies manifest deps json was not found Status: solved Following error in detail: Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Asp Core Error: Could not create stdoutLogFile 18.04.2018 11448 Where are the detail errors of the Asp Net Core web application written? When creating an Asp Net core application, errors are written by the IIS Internet Information Server in the Windows Event Viewer and internal errors of the Asp Net Core application are written int Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Finding bugs in Asp.Net Core 2 MVC applications. 18.04.2018 1326 Where to Find the Error Description, Error Log Files for Asp Net Core Applications on Windows Server 2016 with IIS 10, 8 5 When I publish my application to the Windows IIS Internet Information Server, the error Error 502 5 Process Failure appears Net-Framework/ASP_dot_Net-Core/Errors Error: Identity column can not be updated, IDENTITY_INSERT is set to OFF 30.03.2018 3261 error message ex InnerException = {System Data SqlClient SqlException (0x80131904): Die IDUser-Identitätsspalte kann nicht aktualisiert werden Net-Framework/ASP_dot_Net-Core/Errors Asp Error: IDENTITY_INSERT OFF when accessing AspNetUsers registry 29.03.2018 1228 Asp Error: IDENTITY_INSERT OFF when accessing AspNetUsers registry A database operation failed while processing the request DbUpdateException: An error occurred while updating the entri Net-Framework/ASP_dot_Net-Core/Errors ASP IIS Error: 440.13 Not Found. upload file size is exceeded 17.03.2018 1251 Error message when uploading files to an IIS server IIS 10 0 Detailed Error – 404 13 – Not Found Reason: The upload file size is exc Net-Framework/ASP_dot_Net-Core/Errors InvalidOperationException: An exception occurred while reading a database value for property 06.03.2018 3351 InvalidOperationException: An exception occurred while reading a database value for property xx The expected type was System Nullable 1 [System Int64] but the actual value was of type System Int32 Error message in the browser Net-Framework/ASP_dot_Net-Core/Errors A database operation failed while processing the request. SqlException: Invalid object name 06.03.2018 1735 Asp Error: A database operation failed while processing the request SqlException: Invalid object name Error description in Asp Mvc A database operation failed while processing the request Net-Framework/ASP_dot_Net-Core/Errors InvalidOperationException: No database provider has been configured for this dbContext 05.03.2018 4339 InvalidOperationException: No database provider has been configured for this dbContext error message An unhandled exception occurred while processing the request Net-Framework/ASP_dot_Net-Core/Errors NullReferenceException: Object reference not set to an instance of an object. 02.03.2018 4317 Error: NullReferenceException: Object reference not set to an instance of an object Opening a page in an Asp Net Core application causes the error NullReferenceException: Object reference not set to an instance of an object Net-Framework/ASP_dot_Net-Core/Errors InvalidOperationException: The expected type was System.Boolean but the actual value was null. 02.03.2018 2417 Own error: InvalidOperationException: An exception occurred while reading a database value for property 'ApplicationUser has_Main_Image' The expected type was 'Syste Net-Framework/ASP_dot_Net-Core/Errors Asp: InvalidOperationException: The model item passed into the ViewDataDictionary is of type 02.03.2018 2544 The following error occurs in asp net Core Mvc applications: error message An unhandled exception occurred while processing the request Net-Framework/ASP_dot_Net-Core/Errors InvalidCastException: Unable to cast object of type System.Int32 to type System.Int64 26.02.2018 3737 InvalidCastException: Unable to cast object of type 'System Int32' to type 'System Int64' Other SQL Server Asp Net error message Using bigint and long An unhandled exception occurred while proces Net-Framework/ASP_dot_Net-Core/Errors ASP Long UInt64 and SQL Server bigint 26.02.2018 1060 When using integers in SQL Server, you can choose between 32 bit int and the 64 bit bitint as data type Int is the 32 bit integer with a range of numbers from: -2,147,483,648 to 2,147,483,647 (+ - 2 high 31) 4 bytes This corresponds to 2,000 million positive entries Net-Framework/ASP_dot_Net-Core/Errors ASP.Net: A database operation failed while processing the request. 11.01.2018 1917 The first time an Asp Net MVC Core 2 application with Authentication is called, the error occurs: A database operation failed while processing the request Net-Framework/ASP_dot_Net-Core/Errors API error: Could not get any response 10.01.2018 2623 When executing the API request to an ASP Net application, the feedback comes in the API client: Could not get any response This seems to be like an error connecting to Net-Framework/ASP_dot_Net-Core/Errors ASP Error: System.InvalidOperationException, An exception occurred while reading a database value 13.12.2017 1894 ASP Error: System InvalidOperationException, An exception occurred while reading a database value Error message in ASP Net System InvalidOperationException: 'An exception occurred while reading a Net-Framework/ASP_dot_Net-Core/Errors ASP EF Error: Unable to create object of type DbContext 09.12.2017 2763 Problem: When uploading the Code First data to a SQL Server with Entity Framework comes the message PM: Add-migration initial Unable to create an object of type 'a Net-Framework/ASP_dot_Net-Core/Errors Asp.net Error: No DbContext was found in assembly 30.11.2017 8783 The error message arises if you want to extend an application with EF Entity Framework on Asp net Core 2 MVC As soon as you start the migration, the Feher comes: No DbContext was found in assembly Net-Framework/ASP_dot_Net-Core/Errors Asp.net Errors: The entity type xxx requires a primary key to be defined. 30.11.2017 12989 When you create the migration in ASP Net Core 2 0 MVC, you receive the error that the Model class Products does not have a Primary Key You need the PrimaryKey in each table on SQL Server for the database to work quickly Error message in the Package Manager