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Net-Framework/ASP_dot_Net-Core/Data-Model/Linq the type or namespace name dbAppData_Context does not exist 10.08.2018 14 Problem: Occurs when updating the data model when updating the model at the WPF with an EF Entity Framework connection to a SQL Server database, then it may be that the connection is taken over incorrectly as a data context Net-Framework/ASP_dot_Net-Core/Data-Model/Linq Delete record in Linq 10.08.2018 11 Delete record in Linq Code snippet: delete record call Net-Framework/ASP_dot_Net-Core/Data-Model/Linq Code snippet: Create Linq Select table from ID number fields 10.08.2018 14 Code snippet: Create Linq Select table from ID number fields call Net-Framework/WPF/HTML-Documents Evaluate Json in WPF 09.08.2018 36 Evaluate Json in WPF Task: I would like to evaluate a Json return from a website in WPF Net-Framework/ASP_dot_Net-Core/API Json error: A method was called at an unexpected time 09.08.2018 18 Json error: A method was called at an unexpected time Problem: When evaluating an Api interface which returns a pure value list, the error comes that the method was called at an unexpected time Solution: When evaluating Json re Net-Framework/ASP_dot_Net-Core/API StatusCode: 405, ReasonPhrase: Method Not Allowed 09.08.2018 21 StatusCode: 405, ReasonPhrase: "Method Not Allowed" Problem: when accessing an Api-Delete interface from WPF on Asp Net Core MVC, the response StatusCode 405 Net-Framework/WPF/HTML-Documents httpClient Error: There is no mapped character in the multi-byte codepage for the Unicode character. HRESULT: 0x80070459 08.08.2018 24 There is no mapped character in the multi-byte codepage for the Unicode character (Exception from HRESULT: 0x80070459) Problem: W Net-Framework/WPF How to create a database connection in WPF and connect to EF Entity Framework 02.08.2018 52 If you've added an existing database as a draft to the WPF project, the easiest way to create a data connection is to double-click the database under Visual Studio This opens the Server Explorer and integrates the SQL Server database as Datat Conn Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Kestrel web server Asp.Net Core 2 MVC hangs 11.05.2018 373 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/Code-Example Browser in Asp.Net Core 2 with Wangkanai 23.04.2018 492 How to determine the browser in Asp Net Core 2 and determine if it is a mobile device Net Framework, alt First of all, there is no query on the server in Asp Net Core as in Asp Net Framework In asp net MVC Net framework and Others/Web-Hoster/Mailserver Mailenable: Set email aliases and specify domain 20.04.2018 244 If you have to set emails on a web server -> mail server, you can also set so-called aliases for your own email account What are email aliases? As email aliases one understands equivalent email addresses, under which one can address an addre Others/Web-Hoster/Mailserver Mailenable: Set which IP addresses are allowed to send emails 20.04.2018 215 Where do you put Mailenable, which IP addresses are allowed to send emails? Under the mail server: Mailenable you can set which IP address circle can send emails This prevents anyone from sending e-mails via open relays settings: To do Others/Web-Hoster/Mailserver Mailenable: Error: Could not reverse lookup in DNS, error 9003. Warning: No Ptr Record found For Domain. 20.04.2018 303 Mailenable: Error: Could not reverse lookup 172 17 175 1 in DNS, error 9003 Warning: No Ptr Record found For Domain When setting up Mailenable on a web server under United-Hoster de, the diagnosis shows that the check of the Host IP Reverse Loopup fails Net-Framework/ASP_dot_Net/HTML HTML: Move the position of an element only up to a certain position 20.04.2018 209 How does one set it that an HTML element is only moved to a certain position when the browser moves the page? View browser In this example, the DIV area on a web page is only moved to the top of the window The element thus always remai Net-Framework/ASP_dot_Net-Core/Basics/Route Asp core redirect http to https and www. To directly domain host 19.04.2018 713 Asp core redirect to and To directly domain host This article describes how to redirect the addresses from to in an Asp Net Core MVC project and additionally to move the domain from to domain com without redirects All elements such as the website and Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Asp Net Core MVC: Login failed for user IIS APPPOOL \ Readdy 19.04.2018 972 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 1009 Error message: An assembly specified in the application dependencies manifest deps json was not found Status: solved Following error in detail: