Tuesday, August 13, 2013

Bound Columns -- "DataFormatString"

Important back pocket tool to have for formatting bound fields...

Reference MSDN --- http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.boundfield.dataformatstring.aspx

NoteNote
In most cases, formatting depends on the server's culture setting. The examples are for a culture setting of en-US.
Format character
Description
Example
C or c
Displays numeric values in currency format. You can specify the number of decimal places.
Format: {0:C}
123.456 -> $123.46
Format: {0:C3}
123.456 -> $123.456
D or d
Displays integer values in decimal format. You can specify the number of digits. (Although the type is referred to as "decimal", the numbers are formatted as integers.)
Format: {0:D}
1234 -> 1234
Format: {0:D6}
1234 -> 001234
E or e
Displays numeric values in scientific (exponential) format. You can specify the number of decimal places.
Format: {0:E}
1052.0329112756 -> 1.052033E+003
Format: {0:E2}
-1052.0329112756 -> -1.05e+003
F or f
Displays numeric values in fixed format. You can specify the number of decimal places.
Format: {0:F}
1234.567 -> 1234.57
Format: {0:F3}
1234.567 -> 1234.567
G or g
Displays numeric values in general format (the most compact of either fixed-point or scientific notation). You can specify the number of significant digits.
Format: {0:G}
-123.456 -> -123.456
Format: {0:G2}
-123.456 -> -120
N or n
Displays numeric values in number format (including group separators and optional negative sign). You can specify the number of decimal places.
Format: {0:N}
1234.567 -> 1,234.57
Format: {0:N4}
1234.567 -> 1,234.5670
P or p
Displays numeric values in percent format. You can specify the number of decimal places. (NOTE TO SELF --- System will perform calculation (n * 100) just provide the number.

In other words (n1 \ n2 = n3)  n3 *100 will be handled by the Format {0:P}   Note alos {0:P0} will not produce decimals values.
Format: {0:P}
1 -> 100.00%
Format: {0:P1}
.5 -> 50.0%
R or r
Displays SingleDouble, or BigInteger values in round-trip format.
Format: {0:R}
123456789.12345678 -> 123456789.12345678
X or x
Displays integer values in hexadecimal format. You can specify the number of digits.
Format: {0:X}
255 -> FF
Format: {0:x4}
255 -> 00ff
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