简单的颜色表控件源码

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;

namespace Colors
{
    /// <summary>
    /// ColorTable 的摘要说明
    /// </summary>
    public class ColorTable : System.Web.UI.UserControl
    {
        public ColorTable()
        {
        }
        public override void RenderControl(HtmlTextWriter writer)
        {
            KnownColor[] colors = Enum.GetValues(typeof(KnownColor)) as KnownColor[];//#123456
            writer.Write("<center><div style='width:500px'>");
            foreach (KnownColor str in colors)
            {
                writer.Write("<input type='button' onClick='f(this)' style='height:20px; width:30px; background-color:" + str.ToString() + "' />");
            }
            writer.Write("</div></center>");
            string javascript = "function f(e){document.body.bgColor = e.style.backgroundColor;}";
            Page.ClientScript.RegisterStartupScript(this.GetType(), "code", javascript, true);
            base.RenderControl(writer);
        }
    }
}

 

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/QQlvbo/archive/2009/01/04/3706712.aspx