HTML Dialog Generator

Create an HTML <dialog> Element Online

The HTML Dialog Generator creates a <dialog> element with text content and an optional open attribute. The preview and generated HTML and C# update when the content or initial state changes.

The open attribute displays a non-modal dialog in the document. A modal interaction requires runtime code that calls showModal() and provides a clear way to close the dialog.

Create an HTML <dialog> Element in C#

The C# panel shows how to create the configured element with Aspose.HTML for .NET . The generated code follows this workflow:

1. Create an HTMLDocument .
2. Create the dialog element with CreateElement() .
3. Assign its text through TextContent and add open when selected.
4. Add the element with AppendChild() and write dialog.html with Save() .

Enter the initial content and state before copying the updated C# code.

HTML Dialog Generator FAQ

1. What does the open attribute do on <dialog>?

It makes the dialog visible and active as a non-modal dialog. Removing the attribute hides it, but directly toggling the attribute does not provide the modal behavior of showModal().

2. How do I open a modal HTML dialog?

Call the dialog element’s showModal() method in browser-side JavaScript. It opens the dialog in the top layer and makes the rest of the document inert until the modal is closed.

3. How should users close a dialog?

Provide a clearly labeled button that calls close() or use a form with method="dialog". Modal dialogs should also handle the platform’s cancel action appropriately.

4. Does this generator create buttons and focus management?

No. It creates the initial dialog element and text content. Add task-specific controls, an accessible name, initial focus behavior, and a return-focus strategy in the final application.

5. Can the Content field insert HTML controls into the dialog?

No. The generator treats entered content as plain text and escapes markup. After copying the result, add permitted child elements through HTML or the Aspose.HTML DOM API.

Get Started with Aspose.HTML for .NET API

Install Aspose.HTML for .NET from NuGet with the .NET CLI:

dotnet add package Aspose.HTML

You can also use the NuGet Package Manager UI or run Install-Package Aspose.HTML in the Package Manager Console. See the installation guide for setup details, or request a temporary license to evaluate the API without evaluation limitations.