How to add rich textbox in asp.net

I need to add rich text box i开发者_Go百科n asp.net for adding multiline data in text box

You can use this below code for multiline textboxes,

<asp:TextBox id="txtBox" TextMode="multiline" runat="server" />

You can use ASP:TextBox and set property TextMode="multiLine" Rows="2" to use multi line text box.