c# - DateTime cannot resolve ToShortTimeString() -

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i have windows phone app have been using toshorttimestring method on datetime attributes.

i using code in windows 8 store app , getting errors toshorttimestring cannot resolved. when check available on datetime object see smaller list of options available - date few missing options (one of 'toshorttimestring'.

have done dumb here?

am missing namespace? using 'system' although resharper telling me not required.

toshorttimestring isn't supported in windows 8 store apps. can see when check "version information" in the documentation. doesn't mention windows 8 store apps.

but that's not problem. can create method yourself:

public static class datetimeextensions {     public static string toshorttimestring(this datetime datetime)     {         return datetime.tostring("t", datetimeformatinfo.currentinfo);     } }

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