///<summary>
///替換html中的特殊字符
///</summary>
///<paramname="theString">需要進行替換的文本。</param>
///<returns>替換完的文本。</returns>
public static string HtmlEncode(string theString)
{
theString=theString.Replace(">",">");
theString=theString.Replace("<","<");
theString=theString.Replace(" "," ");
theString=theString.Replace("/"",""");
theString = theString.Replace("/'", "'");
theString=theString.Replace("/n","<br/>");
return theString;
}

///<summary>
///恢復html中的特殊字符
///</summary>
///<paramname="theString">需要恢復的文本。</param>
///<returns>恢復好的文本。</returns>
public static string HtmlDiscode(string theString)
{
theString=theString.Replace(">",">");
theString=theString.Replace("<","<");
theString=theString.Replace(" "," ");
theString=theString.Replace(""","/"");
theString = theString.Replace("'", "/'");
theString=theString.Replace("<br/>","/n");
return theString;
}