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Net-Framework/ASP_dot_Net-Core/Project-Setup Where to find the Asp.Net Core Project File 18.04.2018 16 In the Asp Net Core project file, the settings for the Asp Net Core application are set The file naming is with the ending csproj in the application like MeinAspProjekt csproj Many tutorials refer to the project file again and again in the xml structure Net-Framework/ASP_dot_Net-Core/Project-Setup Wo findet man die Asp.Net Core Projekt File 18.04.2018 13 in der Asp Net Core Projekt-Datei werden die Einstellungen zu der Asp Net Core Anwendung eingestellt Die Dateibenennung ist mit der endung csproj in der Anwendung wie MeinAspProjekt csproj In vielen Tutorials wird immer wieder auf die Projektdatei verwiesen und in de Net-Framework/ASP_dot_Net-Core/IIS-Setup Server Error 500. Asp Core 2 MVC on IIS Website Setup 13.04.2018 23 Server Error 500, Website: Asp net mvc core 2 Server: IIS Server on Windows Server 2016 HTTP-Fehler Net-Framework/ASP_dot_Net-Core/Code-Example Asp.Net Core 2 MVC: Email Sender Client Write. 05.04.2018 48 By default, Asp Net Core MVC refers to the Api interface to the Email Service Provider: EmailGrid But you can also just set up your own email client to an email server like MailEnable Mailenable is a free email system and runs stably on all windows servers Net-Framework/ASP_dot_Net-Core/Code-Example Asp core: Cookie read and write 05.04.2018 34 Cookie reading string sIDReference = Request Cookies[ "r" ] ToString(); Net-Framework/ASP_dot_Net-Core/Errors Error: Identity column can not be updated, IDENTITY_INSERT is set to OFF 30.03.2018 52 error message ex InnerException = {System Data SqlClient SqlException (0x80131904): Die IDUser-Identitätsspalte kann nicht aktualisiert werden Net-Framework/ASP_dot_Net-Core/Errors Asp Error: IDENTITY_INSERT OFF when accessing AspNetUsers registry 29.03.2018 75 Asp Error: IDENTITY_INSERT OFF when accessing AspNetUsers registry A database operation failed while processing the request DbUpdateException: An error occurred while updating the entri Net-Framework/ASP_dot_Net-Core/Data-Model Asp MVC: Format Date as Short Date 22.03.2018 60 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/Code-Example Asp MVC Core: Display HTML text as HTML elements 22.03.2018 62 HTML text issues How to display HTML text as HTML elements in an Asp MVC View In my Asp Net Core MVC application data should be displayed containing HTML strings with HTML structures and elements If you output these HTML str Net-Framework/ASP_dot_Net-Core/Errors ASP IIS Error: 440.13 Not Found. upload file size is exceeded 17.03.2018 67 Error message when uploading files to an IIS server IIS 10 0 Detailed Error – 404 13 – Not Found Reason: The upload file size is exc Net-Framework/ASP_dot_Net-Core/jQuery Upload with progress bar, Ajax 17.03.2018 85 This example shows a web page that allows you to upload files to a server while displaying the current transfer status The example contains a simple HTML form with an invisible Files-Input element Once the files are selected, the upload will start automatically Net-Framework/ASP_dot_Net-Core/jQuery jQuery: Set the value of a progress display 17.03.2018 75 jQuery: Set the value of a progress display set the value of an HTML Progress element with val (value) $( "#ctlProgress" ) Net-Framework/ASP_dot_Net-Core/jQuery jQuery: 1-Button file upload with autostart 16.03.2018 68 automatically starting the upload of files after selecting the file upload script code This example shows how to create a photo upload in HTML, jQuery, javascript, which · Made up of only 1-button · Net-Framework/ASP_dot_Net-Core/jQuery Asp jQuery: upload files with Ajax 16.03.2018 83 Asp: upload files with Ajax This example shows how to use Asp Core MVC and jQuery-Ajax to upload multiple photos or files to the server The transfer is loaded asynchronously under ajax and json, so the webpage does not have to be rebuilt With the jQuery Net-Framework/ASP_dot_Net-Core/jQuery jQuery: execute function before submit with send 15.03.2018 59 How to use jQuery to execute a function before sending a form Solution: $( "#frmEdit" ) submit(functionxxx); Net-Framework/ASP_dot_Net-Core/jQuery Execute jQuery: function after loading a page 15.03.2018 82 I want a feature or program to run after loading a webpage Code example In the example a div field should be loaded with HTML Solution: If a script block is written to the end of the web page and checked with jQuery for $ ( Net-Framework/ASP_dot_Net-Core/jQuery jQuery: insert HTML into an element 15.03.2018 98 jQuery: insert HTML into an element, jQuery append() jQuery empty() With jQuery you can insert dynamic HTML elements into an HTML element by applying the methods jQuery empty () and jQuery appene (xxx) to an HTMLElement $( " Net-Framework/ASP_dot_Net-Core/Code-Example Asp: HTML to Text convert 14.03.2018 65 Asp: HTML to text Convert html to text If you want to convert HTML into text in ASP Net Core MVC for further processing, then there is not a simple method available as with Javascript Therefore, here is an HTML to text conversion file and Net-Framework/ASP_dot_Net-Core/jQuery jQuery: Paste Event on Inserting Content into HTML Element 13.03.2018 65 Task: I need a jquery event when inserting text into an input form using strg-v, paste, paste Solution: With the bind ("paste", function ) $( "#divEditor" Net-Framework/ASP_dot_Net-Core/jQuery jQuery: Insert event When Text or HTML Inserted in Element 13.03.2018 62 jQuery: Insert Paste Text How can you intercept the paste and paste event in an input element? I would like to execute a jquery function when inserting into a Div input field or TextArea input field? Solution: With jquery Elem Net-Framework/ASP_dot_Net-Core/jQuery jQuery: Insert Event bei Text Eingabe 13.03.2018 55 jQuery: Insert Paste Text Wie kann man den Event von Einfügen und Paste in ein Eingabeelement abfangen? Ich möchte beim Einfügen in ein Div-Eingabefeld oder TextArea Eingabefeld eine jquery Funktion ausführen? Lösung: Net-Framework/ASP_dot_Net-Core/jQuery jQuery: address element with id-Selector 13.03.2018 65 Selector: With the selectors you can address different groups in jQuery The # hashtag is used to address an element with the id With the Point all elements of a Css class are addressed #id selector $ ("# IDTest") Hide () - Net-Framework/ASP_dot_Net-Core Integrate Asp.Net Core jQuery 13.03.2018 61 How to include a jQuery script in Asp Net Core jQuery is pre-installed in Asp Net Core under wwwroot-libs Therefore you only need to insert a block at the desired position and insert functions into these jQuery Here's Net-Framework/ASP_dot_Net-Core/Layout-Master Asp MVC: Determine current controllers and action in a view 07.03.2018 58 How can I find the current caller of an Asp Net Core MVC page directly in the view? If I am in the general layout view, and I want to set the current controller as the path in the navigation bar, then I need the information at runtime, which page was passed and from wh Net-Framework/ASP_dot_Net-Core/Errors InvalidOperationException: An exception occurred while reading a database value for property 06.03.2018 125 InvalidOperationException: An exception occurred while reading a database value for property xx The expected type was System Nullable 1 [System Int64] but the actual value was of type System Int32 Error message in the browser Net-Framework/ASP_dot_Net-Core/Errors A database operation failed while processing the request. SqlException: Invalid object name 06.03.2018 84 Asp Error: A database operation failed while processing the request SqlException: Invalid object name Error description in Asp Mvc A database operation failed while processing the request 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 107 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 63 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/Errors InvalidOperationException: No database provider has been configured for this dbContext 05.03.2018 119 InvalidOperationException: No database provider has been configured for this dbContext error message An unhandled exception occurred while processing the request Net-Framework/ASP_dot_Net-Core/Errors NullReferenceException: Object reference not set to an instance of an object. 02.03.2018 177 Error: NullReferenceException: Object reference not set to an instance of an object Opening a page in an Asp Net Core application causes the error NullReferenceException: Object reference not set to an instance of an object