C # get current system time2010-01-02 16:24
--datetime Digital TypeSystem.DateTime currenttime=new System.DateTime ();Take the current month and day time of the second currenttime=system.datetime.now;take the current year int year
GMT: Hotell gyllene Geten Standard TimeBeijing Time =gmt time + 8 hoursDatatime nowdate = Datatime.now;Nowdate.tostring ("R"); Effect: Wed, 16:24:33 GMTExplanation of the parameters:D ShortDatePatternD LongdatepatternF Full Date and time (long date
C # placeholder usage tutorial,
[\ N \ r] cannot match spaces during regular expression matching. [\ n \ r] can only match line breaks, and line breaks are placeholders, there is no length.
To match blank characters (including spaces, tabs, and
Take this project-UML diagram. After learning it, I don't feel any gains. I don't know how to figure it out. I always think that painting is not good, but it cannot be wrong. It can only be regarded as low-level. For a UML diagram, there is no right
Int.tostring (format):The format string takes the form: Axx, where a is the format specifier, specifies the format type, XX is the precision specifier, and controls the number of significant digits or decimal digits of the formatted output, as
The following are excerpted from the blog Park and are for information inquiries only.Copied from: http://www.cnblogs.com/huangting2009/archive/2009/02/09/1386596.htmlToString FormattingWhen many objects are displayed as strings, they are formatted
C # time represents C # time/date format DaquanC # Time/date format Daquan, C # time/Date function DaquanSometimes we have to change the time to achieve a different display effect.The default format is: 2005-6-6 14:33:34What if you want to replace
1. Use {0 :?} Format
You can use the string. Format method or the console. Write method to format numeric results. The latter method calls string. format. Use a format string to specify the format. The following table contains supported standard
Data format setting expression
. NET Framework format setting expression, which is applied to data before data is displayed in the column.This expression consists of optional static text and format specifiers in the following format:
{0: format
Recently in doing third-party payment, the use of the ISO8583 package, because some fields require a specific format, so the common are moved over, in case of a rainy days, knowledge is unlimited, the brain is unlimited.
C
C # format the value result table
Character
Description
Example
Output
C
Currency
String. Format("{0: C3}", 2)
$2.000
D
Decimal
String. Format("{0: D3}", 2)
002
This is often used to format strings of dates and numbers, so we sorted out some of the help items here.
The following table describes the standard format specifiers used to format DateTime objects.Format descriptionD. The short date mode displays
1. Escape
C # uses placeholders such as {0}, {1: yyyy-MM-dd}. What if the formatted string itself contains {or? The answer is: Use two {or} hyphens to represent a single one.
For exampleStringStr1 = String. Format ("{Hello}, {0}, Now is {1:
C # formatting the numeric result table (formatting strings)
Character
Description
Example
Output
C
Currency
String. Format("{0: C3}", 2)
$2.000
D
Decimal
String. Format("{0: D3
Use C # To Format a string
1 Preface
If you are familiar with Microsoft Foundation Classes (MFC) cstring, Windows Template Library (wtl) cstring or standard template library (STL) string class. you must be familiar with the format method. This
When developing a system today, we need to implement such a function.
Query related content based on the selected date, but not filter by the entire date, but filter by year, month, or day splitting, for example, from January 1, 2013 to January 1,
Document directory
Strings
Numbers
Dates
Enumerations
Some useful examples
C # formatting the numeric result table (formatting strings)
Character
Description
Example
Output
C
Currency
String. Format("{0: C3
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.