+3  A: 

From FCKeditor page about ASP.NET Integration

It is very easy to use FCKeditor in your ASP.NET web pages

In fact it comes with an easy to use ASP.NET control.

f3lix
+4  A: 

FCKEditor, or TinyMCE. Both are pretty good.

JasonS
A: 

I used FreeTextBox in the past.

M4N
A: 

I really like the wmd editor I´m writing in right now:)

http://wmd-editor.com/

Very good when it comes to code-examples.

Glenn
A: 

Depends what you think cheap is!

We've used CuteEditor from CuteSoft in the past and it's great - though prices start from $129.

We have also used TinyMCE, FreeTextBox and FckEditor - and whilst those are free, they don't come close to offering the polished features of CuteEditor.

  • HTML in source mode is tabbed and indented
  • Can edit/crop/resize images in gallery
  • Writing new toolbars is easy
  • Simple integration with ASP.NET webforms - MVC is another story

If you don't need all of this then one of the others should be fine.

Macka
A: 

I am currently using FreeTextBox and works well with our asp.net application. The best part is that its free.

irperez