To comment out a block of lines in the ASP.NET MVC Razor file, enclose them in @* and *@
@* Commented out instructions, including HTML and Extension methods *@
Create an ASP.NET MVC 5 Web Application with user authentication
To create a new ASP .NET MVC web application that contains user authentication code
- In the File menu of Visual Studio select New, Project…
- On the left select Visual C#, Web, and in the middle select ASP.NET Web Application (.NET Framework)
- Enter the Name, select the solution folder location and click OK. The solution name will automatically match the value of the Name field.
- Select MVC and click the Change Authentication button
- To use your database for authentication select Individual User Accounts
- Make sure the correct authentication is selected and click OK
This ASP.NET MVC 5 web application automatically creates an SQL Express internal database in the App_Data directory of the application when you register the first user.
- Start the application
- Click Register in the menu of the web application
- Register a user
To use an external database for user authentication, see the next post at Configure the ASP.NET MVC 5 web application to use an external database for user authentication
Configure NetBeans for Java Web development
The base installation of NetBeans does not include the web development category.
To add the Java web development tools to NetBeans
- Start the NetBeans IDE,
- In the Tools menu select Plugins,
- On the Available Plugins tab select the Java EE Base plugin and click the Install button,
- If any of the installed plugins is missing the valid signature, you need to click the Continue button to allow the installation,
- For the plugin installation, you need to restart the NetBeans IDE,
- During the next start, NetBeans installs the new plugins,
- The Java Web category is now available.
The .NET MVC model has to have a parameterless constructor
When you create a class to be used as the model in a .NET MVC application, the class has to have a parameterless constructor. It is called during the POST when the user clicks the submit button of the form. If the class does not have a parameterless constructor, we will get the following generic error message. None of the breakpoints can help you to find the cause, and there is no entry in the event log.
The website cannot display the page HTTP 500 Most likely causes: •The website is under maintenance. •The website has a programming error. What you can try: Refresh the page. Go back to the previous page. More information