asp.net ajax

AjaxFunc.MessageBox(Page, "5", "请选择至少一种型号！");

using System;
using System.Web.UI;

/// <summary>
/// AJAX帮助类
/// </summary>
public static class AjaxFunc
{
    /// <summary>
    /// 返回上一页
    /// </summary>
    /// <param name="ps"></param>
    public static void Back(Page ps)
    {
        ScriptManager.RegisterStartupScript(ps, ps.GetType(), "E", "<script>history.go(-1);</script>", false);
    }

    /// <summary>
    /// 弹出对话框
    /// </summary>
    /// <param name="ps"></param>
    /// <param name="strName"></param>
    /// <param name="strMsg"></param>
    public static void MessageBox(Page ps, string strName, string strMsg)
    {
        ScriptManager.RegisterClientScriptBlock(ps, ps.GetType(), strName, "alert('" + strMsg + "')", true);
    }

    /// <summary>
    /// 运行JavaScript脚本
    /// </summary>
    /// <param name="ps">页面</param>
    /// <param name="script">JavaScript脚本</param>
    public static void RunJavaScript(Page ps, string script)
    {
        ScriptManager.RegisterClientScriptBlock(ps, ps.GetType(), "key", script, true);
    }

    /// <summary>
    /// 加载网页
    /// </summary>
    /// <param name="ps"></param>
    /// <param name="strName"></param>
    /// <param name="strUrl"></param>
    public static void OpenUrl(Page ps, string strName, string strUrl)
    {
        System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName,
                                                          "window.location.href='" + strUrl + "';", true);
    }

    /// <summary>
    /// 弹出网页
    /// </summary>
    /// <param name="ps"></param>
    /// <param name="strName"></param>
    /// <param name="strUrl"></param>
    public static void OpenModelUrl(Page ps, string strName, string strUrl)
    {
        //System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName, "window.showModalDialog ('" + strUrl + "', 'newwindow', 'height=100, width=400, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no');", true);
        System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName,
                                                          "window.showModalDialog ('" + strUrl +
                                                          "', 'newwindow', 'dialogHeight:650px, dialogWidth:300px, toolbar=no, menubar=no, resizable=no, location=no, status=no');",
                                                          true);
    }

    /// <summary>
    /// 弹出网页
    /// </summary>
    /// <param name="ps"></param>
    /// <param name="strName"></param>
    /// <param name="strUrl"></param>
    public static void OpenModelUrl(Page ps, string strName, string strUrl, int width, int height)
    {
        //System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName, "window.showModalDialog ('" + strUrl + "', 'newwindow', 'height=100, width=400, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no');", true);
        System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName,
                                                          "window.showModalDialog ('" + strUrl +
                                                          "', 'newwindow', 'dialogHeight:" + height.ToString() +
                                                          "px; dialogWidth:" + width.ToString() +
                                                          "px; toolbar:no; resizable:no; location:no; status:no;help:no;scroll:no;');",
                                                          true);
    }

    /// <summary>
    /// 弹出网页+状态栏
    /// </summary>
    /// <param name="ps"></param>
    /// <param name="strName"></param>
    /// <param name="strUrl"></param>
    public static void OpenModelUrl_EX(Page ps, string strName, string strUrl, int width, int height)
    {
        //System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName, "window.showModalDialog ('" + strUrl + "', 'newwindow', 'height=100, width=400, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no');", true);
        System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName,
                                                          "window.showModalDialog ('" + strUrl +
                                                          "', 'newwindow', 'dialogHeight:" + height.ToString() +
                                                          "px; dialogWidth:" + width.ToString() +
                                                          "px; toolbar:no; resizable:no; location:no; status:yes;help:no;scroll:no;');",
                                                          true);
    }

    /// <summary>
    /// 弹出网页
    /// </summary>
    /// <param name="ps"></param>
    /// <param name="strName"></param>
    /// <param name="strUrl"></param>
    public static void OpenModelUrl_DW(Page ps, string strName, string strUrl)
    {
        //System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName, "window.showModalDialog ('" + strUrl + "', 'newwindow', 'height=100, width=400, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no');", true);
        System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), strName,
                                                          "window.showModalDialog ('" + strUrl +
                                                          "', 'newwindow', 'dialogHeight:700px, dialogWidth:300px, toolbar=no, menubar=no, resizable=no, location=no, status=no');",
                                                          true);
    }

    /// <summary>
    /// 关闭模式网页
    /// </summary>
    /// <param name="ps"></param>
    public static void CloseModalUrl(Page ps)
    {
        System.Web.UI.ScriptManager.RegisterStartupScript(ps, ps.GetType(), "", "window.close();", true);
    }

    /// <summary>
    /// 使用AJAX操作Response.Write
    /// </summary>
    /// <param name="control"></param>
    /// <param name="type"></param>
    /// <param name="key"></param>
    /// <param name="script"></param>
    /// <param name="addScriptTags"></param>
    public static void ResponseWrite(Control control, Type type, string script, bool addScriptTags)
    {
        System.Web.UI.ScriptManager.RegisterStartupScript(control, type, "NULL", script, addScriptTags);
    }
}