Capitalize letters in a string using C#

capitalize letters in a string
Algorithm challenge using string manipulation. This shows one solution for looping through each char in a string to convert toUpper or toLower depending on whether or not the letter is in an even or odd numbered position.

[manishpandey]

convert to charArray and then determine if the char is at even place or odd (modulo operation) and do a uppercase for even.

[golisrikanth]

Qe how to replace character in string write a c sharp program

[golisrikanth]

Example srikanth caracter r delete it and replace e new character in place of r how to add new char write a c sharp perogarm

[FenderSidekick]

Nice simple way to do it.
Using A stringbuildet is faster than concatenation.