ASP.NET Color Picker - Textbox inside Color Picker

This example demonstrates Textbox control use inside Color Picker.

Example code

<%@ Register TagPrefix="obout" Namespace="OboutInc.ColorPicker" Assembly="obout_ColorPicker" %>
Click to the box:
<obout:ColorPicker runat="server" OnClientOpen="OnColorOpen" TargetId="color"
            TargetProperty="style.backgroundColor" >
       <asp:TextBox readOnly="true" id="color" style="cursor: pointer;" runat="server"/>

See the full source code in /ColorPicker/aspnet_textboxInside.aspx file of downloaded Suite.
Set position of Control's popup:

Vertical Position     Top offset px
Horizontal Position Left offset  px

Click to the box:
Color Picker