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the type or namespace name dbAppData_Context does not exist 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

Delete record in Linq 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

Code snippet: Create Linq Select table from ID number fields 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

Evaluate Json in WPF 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

Json error: A method was called at an unexpected time 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

StatusCode: 405, ReasonPhrase: Method Not Allowed 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

httpClient Error: There is no mapped character in the multi-byte codepage for the Unicode character.  HRESULT: 0x80070459 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

How to create a database connection in WPF and connect to EF Entity Framework 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

Kestrel web server Asp.Net Core 2 MVC hangs 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

Browser in Asp.Net Core 2 with Wangkanai 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

Mailenable: Set email aliases and specify domain 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

Mailenable: Set which IP addresses are allowed to send emails 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

Mailenable: Error: Could not reverse lookup in DNS, error 9003. Warning: No Ptr Record found For Domain. 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

HTML: Move the position of an element only up to a certain position 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

Asp core redirect http to https and www. To directly domain host 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

Asp Net Core MVC: Login failed for user IIS APPPOOL \ Readdy 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

Error message: An assembly specified in the application dependencies manifest was not found 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:

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