取两位小数

Question

Response.Write("<td>"+Odr["price"]+"</td>");
显示为88.00000000
怎样让它变成88
或者还要变成88.00

Answer 1

Response.Write("<td>"+Odr["price"].substring(0,2)+Odr["price"].sustring(Odr["price"].indexof("."),2)+"</td>");

Answer 2

Response.Write("<td>"+Odr["price"].substring(0,2)+Odr["price"].sustring(Odr["price"].indexof("."),3)+"</td>");

Answer 3

格式化字符串 用 string.Format

Answer 4

->88
String.Format("{0:F0}",Convert.ToDouble(Odr["price"]));
->88.00
String.Format("{0:F2}",Convert.ToDouble(Odr["price"]));

Answer 5

greennetboy(我的老婆叫静静)
正解

Answer 6

greennetboy(我的老婆叫静静),,是对的.....还可以这样:
format((double)price,"#00.00");这样返回的结果即为小数点后面有两位
form((double)price,"#00");这样没有小数位