hi all,

i have a page in that one drop down List.when i changed the value(abc to sam's) i am getting below error

sys.webforms.pagerequestManagerParserErrorException:This message received from the server could not be parsed.Common causes for this error are when the response is modified by calls to Response.Write(),response filters,HTTPModules,or server trace is enabled.

Details:Error Parsing near'
<!DOCTYPE html P

one more issue i have found here when i changes sam's to sam"s from back end it not giving any error and second drop down list appears and working with out error.