C# 数值格式化

stringstr1 =string.Format({0N1},56789);               result 56,789.0
stringstr2 =string.Format({0N2},56789);               result 56,789.00
stringstr3 =string.Format({0N3},56789);               result 56,789.000
stringstr8 =string.Format({0F1},56789);               result 56789.0
stringstr9 =string.Format({0F2},56789);               result 56789.00
stringstr11 =(56789  100.0).ToString(#.##);           result 567.89
stringstr12 =(56789  100).ToString(#.##);             result 567

C 或 c
货币
Console.Write({0C}, 2.5);  $2.50
Console.Write({0C}, -2.5); ($2.50)

D 或 d
十进制数
Console.Write({0D5}, 25);  00025
 
E 或 e
科学型
Console.Write({0E}, 250000);  2.500000E+005
 
F 或 f
固定点
Console.Write({0F2}, 25);  25.00
Console.Write({0F0}, 25);  25
 
G 或 g
常规
Console.Write({0G}, 2.5);  2.5
 
N 或 n
数字
Console.Write({0N}, 2500000);  2,500,000.00
 
X 或 x
十六进制
Console.Write({0X}, 250);  FA
Console.Write({0X}, 0xffff);  FFFF