QueryString不在Asp.net中显示所有文本

Question

I have url below,

http://localhost:34349/page.aspx?RUD=Pby0lPWu+dc=

If i use below code in page.cs load method

 string result = Request.QueryString["RUD"].ToString();

result displays below value

Pby0lPWu dc=

" + " character is missing while Request.QueryString . Where i miss exactly while using querystring in asp.net ?

Answer 1

 string result = Server.UrlDecode(Request.QueryString["RUD"].ToString());