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ASP.Net: A database operation failed while processing the request. Net-Framework/ASP_dot_Net-Core/Errors
ASP.Net: A database operation failed while processing the request.
11.01.2018 23
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

API error: Could not get any response Net-Framework/ASP_dot_Net-Core/Errors
API error: Could not get any response
10.01.2018 27
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

ASP Error: System.InvalidOperationException, An exception occurred while reading a database value Net-Framework/ASP_dot_Net-Core/Errors
ASP Error: System.InvalidOperationException, An exception occurred while reading a database value
13.12.2017 58
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

ASP EF Error: Unable to create object of type DbContext Net-Framework/ASP_dot_Net-Core/Errors
ASP EF Error: Unable to create object of type DbContext
09.12.2017 44
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

Asp.net Error: No DbContext was found in assembly Net-Framework/ASP_dot_Net-Core/Errors
Asp.net Error: No DbContext was found in assembly
30.11.2017 102
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

Asp.net Errors: The entity type xxx requires a primary key to be defined. Net-Framework/ASP_dot_Net-Core/Errors
Asp.net Errors: The entity type xxx requires a primary key to be defined.
30.11.2017 114
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

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