ckeditor在.cs文件中怎么赋值及取值

ckeditor在.cs文件中如何赋值及取值？
如题。

[解决办法]
var editor = CKEDITOR.replace("content");
editor.setData("");
alert(CKEDITOR.instances.content.getData());

var editor = CKEDITOR.replace("content");
alert(editor.getData());

 <script type="text/javascript" src="ckeditor/ckeditor.js"></script>
 CKEDITOR.replace('<%= txtSource.ClientID %>', { skin: 'kama' }); 
string value = txtSource.Text;
[解决办法]
取不到值?
[解决办法]
8楼 OK的