.net - format date in c# -

how can format date dd/mm/yyyy or mm/dd/yy ?

like in vb format("dd/mm/yy",now)

how can in c#?

it's same, use datetime.tostring() method, e.g:

datetime.now.tostring("dd/mm/yy"); 

or:

datetime dt = getdate(); // getdate() returns date dt.tostring("dd/mm/yy"); 

in addition, might want consider using 1 of predefined date/time formats, e.g:

datetime.now.tostring("g"); // returns "02/01/2009 9:07 pm" en-us // or "01.02.2009 21:07" de-ch  

these ensure format correct, independent of current locale settings.

check following msdn pages more information

• datetime.tostring() method
• standard date , time format strings
• custom date , time format strings

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some additional, related information:

if want display date in specific locale / culture, there overload of tostring() method takes iformatprovider:

datetime dt = getdate(); dt.tostring("g", new cultureinfo("en-us")); // returns "5/26/2009 10:39 pm" dt.tostring("g", new cultureinfo("de-ch")); // returns "26.05.2009 22:39" 

or alternatively, can set cultureinfo of current thread prior formatting date:

thread.currentthread.currentculture = new cultureinfo("en-us"); dt.tostring("g"); // returns "5/26/2009 10:39 pm"  thread.currentthread.currentculture = new cultureinfo("de-ch"); dt.tostring("g"); // returns "26.05.2009 22:39"