What is different between ToLower And ToLowerInvariant()? [Resolved]

Both methods will convert the input value to small letters.

The difference here is ToLower is depending on current culture(ex: en-US) i.e ToLower method return a copy of this String object converted to lowercase using the casing rules of the specified culture. some time this culture dependency will result in invalid results.

Ex: For alphabhet (i) dot is removed. You can check this link for more details.
http://stackoverflow.com/questions/6600954/c-tolower-is-sometimes-removing-dot-from-the-letter-i

ToLowerInvariant Method will return a copy of this String object converted to lowercase using the casing rules of the invariant culture. ie. this method will convert characters to lowercase without culture dependency.

Thanks,
A2H
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Additional References
https://msdn.microsoft.com/en-us/library/system.string.tolowerinvariant(v=vs.110).aspx
https://msdn.microsoft.com/en-us/library/s8z5yt00(v=vs.110).aspx

Thanks,
A2H
My Blog

Kumarkrishna184, if this helps please login to Mark As Answer. | Alert Moderator