c# - How to remove mili seconds from '0' date formatting -

i trying convert datetime following format.

2015-05-30t12:00:00+05:30

when trying 'o' formatter getting out put in following format,

string plannedstarttime = starttime.tostring("o");

output:2015-06-12t16:54:47.3206929+05:30

i need remove mil seconds .

not getting formatters msdn

any other formatters?

you can use custom formatter:

string plannedstarttime = starttime.tostring("yyyy-mm-ddthh:mm:sszzz");

Th