Steps to Edit HTML in C#

GroupDocs.Editor for .NET provides an easy and straightforward way for developers to edit the HTML files using a few lines of code.

Create an instance of Editor class with mandatory file path or byte stream and load the HTML file
Create & set the TextEditOptions class instance for the HTML file format
Call Editor.Edit() method and obtain HTML document in HTML format that is easily editable with any WYSIWYG-editor.
Call Editor.Save() method and save edited HTML file using TextSaveOptions class

System Requirements

A basic document editing with GroupDocs.Editor for .NET APIs can be done by implementing a few easy steps. Our APIs are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.

Operating Systems: Microsoft Windows, Linux, MacOS
Development Environments: Microsoft Visual Studio, Xamarin, MonoDevelop
Frameworks: .NET Framework, .NET Standard, .NET Core, Mono
Get the latest version of GroupDocs.Editor for .NET downloaded from NuGet

// Load the HTML file into Editor
Editor editor = new Editor("source.html");

// Create and adjust the HTML edit options
TextEditOptions editOptions = new TextEditOptions();

// Open input HTML document for edit — obtain an intermediate document, that can be edited
EditableDocument beforeEdit = editor.Edit(editOptions);

// Grab HTML document content and associated resources from editable document
string content = beforeEdit.GetEmbeddedHtml();

// Send the content to WYSIWYG-editor, edit it there, and send edited content back to the server-side
// This step simulates a such operation
string updatedContent = content.Replace("text", "Edited text");

// Grab edited content and resources from WYSIWYG-editor and create a new EditableDocument instance from it
EditableDocument afterEdit = EditableDocument.FromMarkup(updatedContent, null);

// Create and adjust the save options
TextSaveOptions saveOptions = new TextSaveOptions();

// Save edited HTML document to the file
editor.Save(afterEdit, "edited.html", saveOptions);