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Net-Framework/ASP_dot_Net-Core/Data-Model/Linq EF: Determine new ID of a data record 03.04.2018 42 Question: How do you get the new ID of a record that you attach to a table in SQL Server using EF Entity Framework? Solution: You create a blank record from the appropriate MVC data model, fill it with new values ​​and default values Net-Framework/ASP_dot_Net-Core/Data-Model/Linq Asp MVC: Output Data from SQL Server directly to a List Type 03.04.2018 26 Asp MVC: Output Data from SQL Server directly to a List Normal call: Get data with Linq-EF from a database table Disadvantage: the results are of type var and have yet to be manually transferred to a list var Net-Framework/ASP_dot_Net-Core/Data-Model Asp MVC: Format Date as Short Date 22.03.2018 72 How to display a date as a short date in Asp Net MVC? The setting must be automatically displayed in each language so that the automatic national representation of the date appears Here the representation in German: So Net-Framework/ASP_dot_Net-Core/Data-Model/Linq Linq: Query data with a left join 06.03.2018 75 Linq: Query data with a left join Example of a left join query in Linq Net-Framework/ASP_dot_Net-Core/Data-Model/Linq Asp Linq: Collect data with a LINQ query from SQL Server 06.03.2018 58 Asp Linq: Collect data with a LINQ query from SQL Server As a table Fill a table of 20 elements directly from the SQL server data table *fill a Linq Table Net-Framework/ASP_dot_Net-Core/Data-Model/Data-Errors InvalidOperationException: The model item passed into the ViewDataDictionary ..requires System.Collections.Generic.IEnumerable 06.03.2018 115 InvalidOperationException: The model item passed into the ViewDataDictionary requires System Collections Generic IEnumerable Error message in the browser An unhandled exception occurre Net-Framework/ASP_dot_Net-Core/Data-Model Asp.Net Core: How to get the ApplicationDbContext in an Asp.Net Core MVC application 05.03.2018 123 Asp Net Core: How to get the ApplicationDbContext in an Asp Net Core MVC application If you want to access the SQL Server database in Asp Net MVC Core application, then you need the ApplicationDbContext short dbContext The ApplicationDbContext links the database ser Net-Framework/ASP_dot_Net-Core/Data-Model Asp.Net MVC: retrieve data via SQLClient from SQL Server without EF Entity Framwork ApplicationDbContext 05.03.2018 69 description This example shows how to pick up and edit data directly from SQL Server without using the ApplicationDbContext The problem is often that the handling of the ApplicationDbContext _dbContext is not publicly available The Net-Framework/ASP_dot_Net-Core/Data-Model Asp.Net Mvc: DbContext as interface of a SQL database 09.01.2018 180 Asp Net Mvc: DbContext as interface of a SQL database to the Asp Net Core application A connected database is always connected to Asp Net Core Mvc with some kind of bridge or interface This is called DbContext In principle, the Entity Framework DbContext translate Net-Framework/ASP_dot_Net-Core/Data-Model EF: Update Migration Type Mappings. Which C # variable types are to which SQL server field types 09.12.2017 115 Entity Framework, Default, Types In the following I created a model class under ASP Net Core 2 MVC and transferred them via add-migration and update-database to a SQL server The following variables are converted to C # including default defaults on Net-Framework/ASP_dot_Net-Core/Data-Model ASP.Net Core: Create a database from a model class 08.03.2017 437 ASP Net Core: Create a database from a model class Question: How to create data from a data model as a class Where can I find the Asp Net Core MVC database, which is created in the project? Under Asp Net Core the databases are usually created in