Asp.net 弹出对话框基类(输出alet警告框)

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.text;
namespace ec
{
/// <summary>
/// 信息输出通用方法
/// </summary>
public class messageobject
{
/// <summary>
/// 一般输出
/// </summary>
/// <param name="str"></param>
public static void write(string str)
{
system.web.httpcontext.current.response.write(str);
}
/// <summary>
/// 显示一段自定义的输出代码
/// </summary>
/// <param name="mypage"></param>
/// <param name="strcode"></param>
public static void showjs(system.web.ui.page mypage, string strcode)
{
stringbuilder sb = new stringbuilder();
sb.append("<script language=\"javascript\"> \n");
sb.append(strcode.trim());
sb.append("</script>");
mypage.response.write(sb.tostring());
}
/// <summary>
/// 页面重载
/// </summary>
public static void location()
{
stringbuilder sb = new stringbuilder();
sb.append("<script language=\"javascript\"> \n");
sb.append("window.location.href=window.location.href;");
sb.append("</script>");
system.web.httpcontext.current.response.write(sb.tostring());
}
/// <summary>
/// 显示一个弹出窗口
/// </summary>
/// <param name="str"></param>
public static void show(string str)
{
stringbuilder sb = new stringbuilder();
sb.append("<script language=\"javascript\"> \n");
sb.append("alert(\"" + str.trim() + "\"); \n");
sb.append("</script>");
system.web.httpcontext.current.response.write(sb.tostring());
}
/// <summary>
/// 显示一个弹出窗口，并关闭当前页
/// </summary>
/// <param name="str"></param>
public static void showclose(string str)
{
system.text.stringbuilder sb = new system.text.stringbuilder();
sb.append("<script language=\"javascript\">\n");
sb.append("alert(\"" + str.trim() + "\"); \n");
sb.append("window.close();\n");
sb.append("</script>\n");
system.web.httpcontext.current.response.write(sb.tostring());
}
/// <summary>
/// 显示一个弹出窗口，并转向当前页(刷新)
/// </summary>
/// <param name="str"></param>
public static void showlocation(string str)
{
stringbuilder sb = new stringbuilder();
sb.append("<script language=\"javascript\"> \n");
sb.append("alert(\"" + str.trim() + "\"); \n");
sb.append("window.location.href=window.location.href;\n");
sb.append("</script>");
system.web.httpcontext.current.response.write(sb.tostring());
}
/// <summary>
/// 显示一个弹出窗口，并转向目标页(导航)
/// </summary>
/// <param name="str"></param>
/// <param name="url"></param>
public static void showredirect(string str, string url)
{
stringbuilder sb = new stringbuilder();
sb.append("<script language=\"javascript\"> \n");
sb.append("alert(\"" + str.trim() + "\"); \n");
sb.append("window.location.href=\"" + url.trim() + "\";\n");
sb.append("</script>");
system.web.httpcontext.current.response.write(sb.tostring());
}
/// <summary>
/// 显示一个弹出窗口，并转向上一页
/// </summary>
/// <param name="str"></param>
public static void showpre(string str)
{
stringbuilder sb = new stringbuilder();
sb.append("<script language=\"javascript\"> \n");
sb.append("alert(\"" + str.trim() + "\"); \n");
sb.append("var p=document.referrer; \n");
sb.append("window.location.href=p;\n");
sb.append("</script>");
system.web.httpcontext.current.response.write(sb.tostring());
}
/// <summary>
/// 重定向
/// </summary>
/// <param name="url"></param>
public static void redirectpage(string url)
{
string path = "http://" + system.web.httpcontext.current.request.url.host + url;
stringbuilder sb = new stringbuilder();
sb.append("<script language=\"javascript\"> \n");
sb.append(string.format("window.location.href='{0}';", @path));
sb.append("</script>");
system.web.httpcontext.current.response.write(sb.tostring());
}
}
}