模拟Confirm的Web自定义控件

using System;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.ComponentModel;

using System.Collections;

using System.Collections.Specialized;

 

namespace PublicControls

{

     ///<summary>

     /// MsgBoxControl 的摘要说明。

     ///</summary>

 

     public class MsgBoxControl : Control,IPostBackDataHandler,IPostBackEventHandler

     {

         #region预定义

    

         #endregion

 

         #region属性

        

         #endregion

 

         #region事件/方法

 

         ///<summary>

         ///获取回发的数据

         ///</summary>

         ///<param name="postDataKey"></param>

         ///<param name="values"></param>

         ///<returns></returns>

         public bool LoadPostData(String postDataKey, NameValueCollection values)

         {

 

            return false;       

         }

 

         ///<summary>

         ///数据回发事件

         ///</summary>

         public void RaisePostDataChangedEvent()

         {

 

         }

 

         ///<summary>

         ///回送事件

         ///</summary>

         ///<param name="e"></param>

         public void RaisePostBackEvent(string e)

         {

 

         }

 

         ///<summary>

         ///输出预处理

         ///</summary>

         ///<param name="e"></param>

         protected override void OnPreRender(EventArgs e)

         {

             

         }

        

         ///<summary>

         ///添加控件方法，该方法为指定控件添加onclick属性

         ///</summary>

         ///<param name="button">LinkButton控件对象</param>

         ///<param name="msg">提示信息</param>

         public void AddAttributes(System.Web.UI.WebControls.LinkButton button,string msg)

         {

              button.Attributes.Add("onclick","return onformsubmit(this,'"+msg+"')");

         }

 

         ///<summary>

         ///添加控件方法，该方法为指定控件添加onclick属性

         ///</summary>

         ///<param name="button">Button控件对象</param>

         ///<param name="msg">提示信息</param>

         public void AddAttributes(System.Web.UI.WebControls.Button button,string msg)

         {

              button.Attributes.Add("onclick","return onformsubmit(this,'"+msg+"')");

         }

 

         #endregion

 

         #region输出

         ///<summary>

         ///将此控件呈现给指定的输出参数。

         ///</summary>

         ///<param name="output">要写出到的 HTML 编写器 </param>

         protected override void Render(HtmlTextWriter output)

         {

              string View=ViewString();

 

              output.Write(View);

         }

         #endregion

 

         #region其他函数

         ///<summary>

         ///输出字符串

         ///</summary>

         ///<returns></returns>

         string ViewString()

         {

              string view="";

              view+="<script language=/"javascript/">/n";

              view+="<!--/n";

              view+="var EventObj;";

              view+="function operation(obj)/n";

              view+="{/n";

              view+="if(obj.innerHTML==/"0/")/n";

              view+="{/n";

              view+="obj.innerHTML=/"2/";/n";

              view+="obj.parentNode.parentNode.style.height=/"0px/";/n";  

              view+="obj.parentNode.nextSibling.style.display=/"none/";/n";

              view+="obj.parentNode.nextSibling.nextSibling.nextSibling.style.display=/"none/";/n";

              view+="}";

              view+="else if(obj.innerHTML==/"2/")/n";

              view+="{";

              view+="obj.innerHTML=/"0/";/n";

              view+="obj.parentNode.nextSibling.style.display=/"block/";/n";

              view+="obj.parentNode.nextSibling.nextSibling.nextSibling.style.display=/"block/";/n";

              view+="}/n";

              view+="else/n";

              view+="{/n";

              view+="obj.parentNode.parentNode.style.display='none';/n";  

              view+="}/n";

              view+="}/n";

              view+="function onformsubmit(obj,msg)/n";

              view+="{/n";

              view+="EventObj = obj;/n";

              view+="win.style.left=document.body.clientWidth/2-100;/n";

              view+="win.style.top=document.body.clientHeight/2-150;/n";

              view+="win.style.display=/"block/";/n";

              view+="win.childNodes[1].innerHTML=msg;/n";

              view+="return false;/n";

              view+="}/n";

              view+="function formsubmit()/n";

              view+="{/n";

              view+="eventTarget = EventObj.id.split(/"_/").join(/"$/").split(/"$$/").join(/"$_/");/n";

              view+="eventArgument = '';/n";

              view+="__doPostBack(eventTarget, eventArgument);/n";

              view+="}/n";

              view+="//-->/n";

              view+="</script>/n";

 

 

              view+="<div id=/"win/" style=/"position:absolute;z-index=999; background-color: #FFFFFF;BORDER-RIGHT:navy thin solid; BORDER-TOP:navy thin solid; DISPLAY:none; BORDER-LEFT:navy thin solid; WIDTH:200px; BORDER-BOTTOM:navy thin solid;/">/n";

              view+="<span style=/"FONT-SIZE: 9pt;WIDTH: 100%;COLOR: white;BACKGROUND-COLOR: navy;">/n";

              view+="<font style=/"CURSOR: hand/" onclick=/"operation(this);/">0</font> <font style=/"CURSOR: hand/" onclick=/"operation(this);/">/n";

              view+="r</font></span><span><!--提示信息--></span><br>/n";

              view+="<span style=/"/"><font style=/"CURSOR: hand/" onclick=/"formsubmit();/">[确定]</font>&nbsp;&nbsp;&nbsp;<font style=/"CURSOR: hand/" onclick=/"operation(this);/">[取消]</font>/n";

              view+="</span>/n";

              view+="</div>/n";

              return view;

         }

         #endregion

     }

}