C # ToString () data format

Double[] numbers= {1054.32179, -195489100.8377, 1.0437E21,
-1.0573E-05};
String[] Specifiers = {"C", "E", "E", "F", "G", "N", "P",
"R", "#,000.000", "0.## #E-000",
"000,000,000,000.00###"};
foreach (double number in numbers)
{
Console.WriteLine ("Formatting of {0}:", number);
foreach (string specifier in specifiers) {
Console.WriteLine ("{0,-22} {1}",
Specifier + ":", number. ToString (specifier));
ADD precision specifiers from 0 to 3.
if (specifier. Length = = 1 &! Specifier. Equals ("R")) {
for (int precision = 0; precision <= 3; precision++) {
String pspecifier = String.Format ("{0}{1}", specifier, precision);
Console.WriteLine ("{0,-22} {1}",
Pspecifier + ":", number. ToString (Pspecifier));
}
Console.WriteLine ();
}
}
Console.WriteLine ();
}
The example displays the following output to the console:
Formatting of 1054.32179:
C: $1,054.32
C0: $1,054
C1: $1,054.3
C2: $1,054.32
C3: $1,054.322
//
e:1.054322e+003
e0:1e+003
e1:1.1e+003
e2:1.05e+003
e3:1.054e+003
//
e:1.054322e+003
e0:1e+003
e1:1.1e+003
e2:1.05e+003
e3:1.054e+003
//
f:1054.32
f0:1054
f1:1054.3
f2:1054.32
f3:1054.322
//
g:1054.32179
g0:1054.32179
g1:1e+03
g2:1.1e+03
g3:1.05e+03
//
n:1,054.32
n0:1,054
n1:1,054.3
n2:1,054.32
n3:1,054.322
//
p:105,432.18%
p0:105,432%
p1:105,432.2%
p2:105,432.18%
p3:105,432.179%
//
r:1054.32179
#,000.000:1,054.322
0.## #E -000:1.054e003
000,000,000,000.00###: 000,000,001,054.32179
//
Formatting of-195489100.8377:
C: ($195,489,100.84)
C0: ($195,489,101)
C1: ($195,489,100.8)
C2: ($195,489,100.84)
C3: ($195,489,100.838)
//
E: -1.954891E+008
E0: -2E+008
E1: -2.0E+008
E2: -1.95E+008
E3: -1.955E+008
//
E: -1.954891e+008
E0: -2e+008
E1: -2.0e+008
E2: -1.95e+008
E3: -1.955e+008
//
F:-195489100.84
F0:-195489101
F1:-195489100.8
F2:-195489100.84
F3:-195489100.838
//
G:-195489100.8377
G0:-195489100.8377
G1: -2E+08
G2: -2E+08
G3: -1.95E+08
//
N: -195,489,100.84
N0:-195,489,101
N1: -195,489,100.8
N2: -195,489,100.84
N3: -195,489,100.838
//
P: -19,548,910,083.77
P0:-19,548,910,084%
P1: -19,548,910,083.8
P2: -19,548,910,083.77
P3: -19,548,910,083.770
//
R:-195489100.8377
#,000.000: -195,489,100.838
0.## #E -000: -1.955E008
000,000,000,000.00###: -000,195,489,100.8377
//
Formatting of 1.0437E+21:
C: $1,043,700,000,000,000,000,000.00
C0: $1,043,700,000,000,000,000,000
C1: $1,043,700,000,000,000,000,000.0
C2: $1,043,700,000,000,000,000,000.00
C3: $1,043,700,000,000,000,000,000.000
//
e:1.043700e+021
e0:1e+021
e1:1.0e+021
e2:1.04e+021
e3:1.044e+021
//
e:1.043700e+021
e0:1e+021
e1:1.0e+021
e2:1.04e+021
e3:1.044e+021
//
f:1043700000000000000000.00
f0:1043700000000000000000
f1:1043700000000000000000.0
f2:1043700000000000000000.00
f3:1043700000000000000000.000
//
G:1.0437e+21
G0:1.0437e+21
G1:1e+21
G2:1e+21
G3:1.04e+21
//
n:1,043,700,000,000,000,000,000.00
n0:1,043,700,000,000,000,000,000
n1:1,043,700,000,000,000,000,000.0
n2:1,043,700,000,000,000,000,000.00
n3:1,043,700,000,000,000,000,000.000
//
p:104,370,000,000,000,000,000,000.00%
p0:104,370,000,000,000,000,000,000%
p1:104,370,000,000,000,000,000,000.0%
p2:104,370,000,000,000,000,000,000.00%
p3:104,370,000,000,000,000,000,000.000%
//
R:1.0437e+21
#,000.000:1,043,700,000,000,000,000,000.000
0.## #E -000:1.044e021
000,000,000,000.00###: 1,043,700,000,000,000,000,000.00
//
Formatting of-1.0573e-05:
C: $0.00
C0: $
C1: $0.0
C2: $0.00
C3: $0.000
//
E: -1.057300E-005
E0: -1E-005
E1: -1.1E-005
E2: -1.06E-005
E3: -1.057E-005
//
E: -1.057300e-005
E0: -1e-005
E1: -1.1e-005
E2: -1.06e-005
E3: -1.057e-005
//
f:0.00
f0:0
f1:0.0
f2:0.00
f3:0.000
//
G: -1.0573E-05
G0: -1.0573E-05
G1: -1E-05
G2: -1.1E-05
G3: -1.06E-05
//
n:0.00
n0:0
n1:0.0
n2:0.00
n3:0.000
//
p:0.00%
P0:0%
p1:0.0%
p2:0.00%
P3:-0.001%
//
R: -1.0573E-05
#,000.000:000.000
0.## #E -000: -1.057E-005
000,000,000,000.00###: -000,000,000,000.00001

C # ToString () data format