Saving formatted timestring as file name problem in c# -


hi guys, started c# i'm not 100% familiar it's syntax yet , got problem. i'd write current time filename. i'm using following code:

datetime = datetime.now; string datestring = string.format(@"z:\test\{0}.bmp",now.tostring("s")); bitmap.save(datestring);

now gives me can't access filepath error. apparently has ":" characters @ time part (at least when give now.tostring("d") ) saves fine. idea whats causing this? thanks.

the "s" format create filename of like:

2009-06-15t13:45:30.bmp

that's not valid filename, due colon. either replace colon character after calling tostring, or use different format.

note "d" won't work either, can include "/" in name, depending on culture.

personally i'd suggest "yyyymmdd-hhmmss" give like

20090615-134530.bmp

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