C # formatted output

int a = 12345678
//format sring output
Label1.Text = string. Format ("Asdfadsf{0}adsfasdf", a);
Label2.Text = "ASDFADSF" +a.tostring () + "ADSFASDF";
Label1.Text = string. Format ("Asdfadsf{0:c}adsfasdf", a);//ASDFADSF￥1,234.00ADSFASDF
Label2.Text = "ASDFADSF" +a.tostring ("C") + " Adsfasdf ";//asdfadsf￥1,234.00adsfasdf
Double b = 1234.12543
int a = 12345678;
//format special string style output
Label1 . Text = string. Format ("Asdfadsf{0:c}adsfasdf", b);//ASDFADSF￥1,234.13ADSFASDF
Label2.Text = "ASDFADSF" +b.tostring ("C") + " Adsfasdf ";//asdfadsf￥1,234.13adsfasdf
Label1.Text = string. Format ("{0:c3}", b);//￥1,234.125
Label2.Text = b.tostring ("C3");//￥1,234.125
Label1.Text = string. Format ("{0:d}", a);/decimal--12345678
Label2.Text = b.tostring ("D");/decimal--same type, conversion error
Label1.Text = string. Format ("{0:e}", a);/index--1.234568e+007
Label2.Text = b.tostring ("e");/index--1.234125e+003
Label1.Text = string . Format ("{0:f}", a);//fixed-point number--12345678.00
Label2.Text = b.tostring ("f");/fixed-point number--1234.13
Label1.Text = string. Format ("{0:n}", a);/value--12,345,678.00
Label2.Text = b.tostring ("n");/value--1,234.13
Label1.Text = string. Format ("{0:x}", a);/hexadecimal--bc614e
Label2.Text = b.tostring ("x");//16--with decimal numbers cannot be converted, error
Label1.Text = string. Format ("{0:g}", a);/Universal is the most compact--12345678
Label2.Text = b.tostring ("G");//Universal is the most compact--1234.12543
Label1.Text = string . Format ("{0:r}", a);/round without loss of precision-integer is not allowed, error
Label2.Text = b.tostring ("R"); precision--1234.12543
Double b = 4321.12543;
int a = 1234;

Custom mode output:

//"0" description: Placeholder, if possible, padding bit
Label1.Text = string. Format ("{0:000000}", a);//001234
Label2.Text = string. Format ("{0:000000}", b);//004321
//"#" description: Placeholder, if possible, padding bit
Label1.Text = string. Format ("{0:#######}", a);//1234
Label2.Text = string. Format ("{0:#######}", b);//4321
Label1.Text = string. Format (' {0: #0 #} ', a);//01234
Label2.Text = string. Format ("{0:0#0000}", b);//004321
///"." Description: decimal point
Label1.Text = string. Format ("{0:000.000}", a);//1234.000
Label2.Text = string. Format ("{0:000.000}", b);//4321.125
Double b = 87654321.12543
int a = 12345678;
//", Description: Group of numbers, also for multiplier
Label1.Text = string. Format ("{0:0,00}", a);//12,345,678
Label2.Text = string. Format ("{0:0,00}", b);//87,654,32
Label1.Text = string. Format ("{0:0,}", a);//12346
Label2.Text = string. Format ("{0:0,}", b);//87654
Label1.Text = string. Format ("{0:0,,}", a);//
Label2.Text = string. Format ("{0:0,,}", b);//The
Label1.Text = string. Format ("{0:0,,,}", a);//0
Label2.Text = string. Format ("{0:0,,,}", b);//0
//"%" description: Formatted as percent
Label1.Text = string. Format ("{0:0%}", a);//1234567800%
Label2.Text = string. Format ("{0:#%}", b);//8765432113%
Label1.Text = string. Format ("{0:0.00%}", a);//1234567800.00%
Label2.Text = string. Format ("{0:#.00%}", b);//8765432112.54%
//"ABC" Description: Display text within single quotes
Label1.Text = string. Format (' {0: ' text ' 0} ', a);//text 12345678
Label2.Text = string. Format ("{0: Text 0}", b);//Text 87654321
//"\" description: followed by 1 characters to be printed and also for the transfer character \ n
Label1.Text = string. Format ("\" Hello!) /"" Hello! "
Label2.Text = string. Format ("[url=file://\\c\\books\\new\\we.asp]\\c\\books\\new\\we.asp");//\c\books\new\we.asp
//"@" Description: followed by the character to be printed,
Label1.Text = string. Format (@ "" Hello!) """); Hello To print, you need to enter a two pair to
Label2.Text = string. Format (@ "\c\books\new\we.asp");//\c\books\new\we.asp