The theoretical limit may be 2,147,483,647
chars but the practical limit is nowhere near that. Since no single object in a .Net program may be over 2GB and the string type uses unicode (2 bytes for each character), the best you could do is 1,073,741,823
, but you're not likely to ever be able to allocate that on a 32-bit machine.
,maximum length of Query String
depends on browser.Refer..
Maximum length of Query String?