Edit HTML in text edit field in C#

Question

I have a text string with basic HTML tags like <b> <i> <ul> <ol> tags.

Now I want to display it parsed in a editable text box and allow user to edit in a WYSIWYG way. How can I do it in C#?

Right now I have a RichTextBox but it uses RTF tags under the hood not HTML, so instead of formated text I see html code.

Reza Aghaei · Accepted Answer · 2020-12-23 23:07:29Z

2

The easiest solution is using a WebBrowser control, showing editable div:

private void Form1_Load(object sender, EventArgs e)
{
    webBrowser1.DocumentText = @"
    <div contenteditable=""true"">
        This is a sample:
        <ul>
            <li>test</li>
            <li><b>test</b></li>
            <li><a href=""https://stackoverflow.com"">stackoverflow</a></li>
        </ul>
    </ div >";
}

You can also have some toolbar buttons for setting text bold, italic, or insert <ul> or ol and other commands. For example, the following command, makes the selection bold:

webBrowser1.Document.ExecCommand("Bold", false, null);

Or the following command inserts ordered list:

webBrowser1.Document.ExecCommand("InsertOrderedList", false, null);

You may also want to take a look at following post:

Windows Forms HTML Editor

edited Dec 23, 2020 at 23:07

answered Sep 7, 2015 at 19:34

Reza Aghaei

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1 Comment

Pawel Over a year ago

Thanks a lot. First item on your list is what I was looking for

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