<script type="text/javascript" src="tinymce/jscripts/tiny_mce/tiny_mce.js"></script>

<script type="text/javascript">

   tinyMCE.init({

        mode : "textareas",

        theme : "advanced",

        plugins : "safari,spellchecker,pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,inlinepopups,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template,imagemanager,filemanager",

        theme_advanced_buttons1 : "save,newdocument,|,bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull,|,styleselect,formatselect,fontselect,fontsizeselect",

        theme_advanced_buttons2 : "cut,copy,paste,pastetext,pasteword,|,search,replace,|,bullist,numlist,|,outdent,indent,blockquote,|,undo,redo,|,link,unlink,anchor,image,cleanup,help,code,|,insertdate,inserttime,preview,|,forecolor,backcolor",

        theme_advanced_buttons3 : "tablecontrols,|,hr,removeformat,visualaid,|,sub,sup,|,charmap,emotions,iespell,media,advhr,|,print,|,ltr,rtl,|,fullscreen",

        theme_advanced_buttons4 : "insertlayer,moveforward,movebackward,absolute,|,styleprops,spellchecker,|,cite,abbr,acronym,del,ins,attribs,|,visualchars,nonbreaking,template,blockquote,pagebreak,|,insertfile,insertimage",

        theme_advanced_toolbar_location : "top",

        theme_advanced_toolbar_align : "left",

        theme_advanced_statusbar_location : "bottom",

        theme_advanced_resizing : false,

        template_external_list_url : "js/template_list.js",

        external_link_list_url : "js/link_list.js",

        external_image_list_url : "js/image_list.js",

        media_external_list_url : "js/media_list.js"

    });

</script>

<form id="form1" runat="server">

    <div>

        <asp:TextBox ID="RichTextBox" runat="server" TextMode = "MultiLine" ></asp:TextBox>

        <asp:Button ID="btnSave" runat="server" Text="Save" OnClick="btnSave_Click" />

        <asp:Button ID="btnCancel" runat="server" Text="Cancel" OnClick="btnCancel_Click" />           

        <asp:Label ID="lblDisplay" runat="server" Text="" Visible = "false" ></asp:Label>

    </div>

</form>

protected void btnSave_Click(object sender, EventArgs e)

{

    lblDisplay.Visible = true;

    RichTextBox.Visible = false;

    lblDisplay.Text = RichTextBox.Text;  

}

Protected Sub btnCancel_Click(ByVal sender As Object, ByVal e As EventArgs)

    lblDisplay.Visible = False

    RichTextBox.Visible = True

    lblDisplay.Text = ""

    RichTextBox.Text = ""

End Sub

The above code has been tested in the following browsers

         

* All browser logos displayed above are property of their respective owners.