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Net-Framework/ASP_dot_Net-Core/Errors/IIS-AspCore-Errors Error starting des Debug Asp Core Projects 04.11.2021 1647 Error message: The project doesn't know how to run the profile Solution: Select in the new Debug Profile a real Value like IIS Express, IIS or Project Microsoft Visual Studio: when try to debug on ASP Core, Asp Net on local IIS Server Net-Framework/ASP_dot_Net/HTML Dynamically exchange URL parameters with new value in the browser 14.10.2021 6648 The following code in javascript exchanges the displayed URL of a web page at runtime by adjusting the parameter with an input field Javascript, Browser URL, Parameter, Query Javascript code: Net-Framework/ASP_dot_Net-Core/Data-Model/Linq Linq Query Linq Query: Create multiple AND and OR in one query 07.10.2021 2296 This C# code shows how to merge a SQL Server table with LINQ according to multiple AND conditions and multiple OR conditions Example Linq EF Code C# Code EF Entity Framework, API Controller in asp net co Net-Framework/ASP_dot_Net-Core/Data-Model/Linq LINQ: Creating Multiple OR Subqueries in a WHERE Condition 07.10.2021 1326 The following LINQ statement filters data in a Linq query with sub-sets The filter is referred to subqueries with ANY(value in Subdata) Technically, this solution also corresponds to a ForEach query, in which an OR filter is set up in the WHERE (Filter=A OR Fil Net-Framework/ASP_dot_Net-Core/Data-Model/Linq LINQ: ForEach Loop in Linq Query to create WHERE or subqueries 07.10.2021 15946 Code example for creating multiple WHERE conditions in a LINQ query Here it is shown how to integrate a multiple AND link into a LINQ SQL text this prevents many individual queries from being sent to the sql server but only a single sql query that combines the whe Net-Framework/c_hash_/Error-Messages Error: Comparison row==System.DBNull DBNull is a type, which is not valid in the given context 06.10.2021 559 Error: Comparison row ==System DBNull DBNull is a type, which is not valid in the given context Fehler: Net-Framework/ASP_dot_Net-Core/Data-Model/Linq Connect existing database to ASP Core project 05.10.2021 2632 How do you connect an existing database to a new ASP Core MVC project? in Visual Studio Step 1: Connect the Database Server in Visual Studio Net-Framework/ASP_dot_Net-Core/jQuery Code: List of days in a month, table with 2 columns 30.09.2021 465 This code in Javascript generates a list of all days in the current month A formatted list with 2 columns is created First col Net-Framework/ASP_dot_Net-Core/Tutorials Make web server variables available globally 28.07.2021 1084 How to provide or retrieve the local directories of a web server as WebHostEnvironment in a static class guide: To do this, you need to create a public static class MyServer with a static property such as WebHostEnvironment This property or variable must be set Net-Framework/ASP_dot_Net-Core/Code-Example Create a thumbnail image from a video 28.07.2021 2777 This article shows how to easily create thumbnails from a video To do this, the free FFMpeg package is installed in the C# project and then the ffmpeg exe program is executed as a process The application takes place in Asp Core Net5, MVC and can run on Windows server