Using set to change property value in a constructor, C# - Stack ...

Your understanding of the program flow is wrong. In your constructor when you call your properties to set value, the program flow will run ... Home Public Questions Tags Users Collectives ExploreCollectives FindaJob Jobs Companies Teams StackOverflowforTeams –Collaborateandshareknowledgewithaprivategroup. CreateafreeTeam WhatisTeams? Teams CreatefreeTeam CollectivesonStackOverflow Findcentralized,trustedcontentandcollaboratearoundthetechnologiesyouusemost. Learnmore Teams Q&Aforwork Connectandshareknowledgewithinasinglelocationthatisstructuredandeasytosearch. Learnmore Usingsettochangepropertyvalueinaconstructor,C# AskQuestion Asked 5monthsago Modified 5monthsago Viewed 162times 0 TheprogramIwroteworks,andprintsfine.Itcreatestwoobjectsfine.Oneobjectistobecreatedusingtheno-argdefaultconstructor,andtheotheristobecreatedfromthenon-defaultconstructor.TheonlydifferenceisIamsupposedtousethesetkeywordforAuthortocreateadefaultvalue.SothatwhenIgotocreatetheobjectwiththewrongauthornameitwillchangeitusingthesetkeyword. WhenIenterinthewrongvalueforBook1.Authorforthenon-defaultconstructor,itchangesbothAuthornamesinbothobjects.HowdoIonlyallowittochangetheauthornameinmyBook1object? usingSystem; namespaceBook { publicclassBook { privatestring_Author; privatestring_Title; privatestring_Keywords; privatestring_publicationDate; privatestring_ISBN; publicBook() { Author=""; } publicBook(stringtitle,stringauthor,stringpublicationDate,stringkeywords,stringisbn) { Title=title; Author=author; Keywords=keywords; PublicationDate=publicationDate; ISBN=isbn; } publicstringTitle{get=>_Title;set=>_Title=value;} publicstringAuthor{get=>_Author;set=>_Author="MaryDelamaterandJoelMurach,";} publicstringKeywords{get=>_Keywords;set=>_Keywords=value;} publicstringPublicationDate{get=>_publicationDate;set=>_publicationDate=value;} publicstringISBN{get=>_ISBN;set=>_ISBN=value;} publicoverridestringToString() { returnTitle+Author+PublicationDate+"Keywords:"+Keywords+"ISBN"+ISBN; } } } usingSystem; namespaceBook { classProgram { staticvoidMain(string[]args) { BookBook1=newBook("murach'sASP.NETCoreMVC,","MaryDelamaterandJoelMurach,","January2020,","C#,Programming,MVC,ASP.NET,Core,Beginner","978-1-943872-49-7"); Console.WriteLine(Book1.ToString()); BookBook2=newBook(); Book2.Title="C#InDepth,"; Book2.Author="JohnSkeet,"; Book2.PublicationDate="March23,2019,"; Book2.Keywords="C#,InDepth"; Book2.ISBN="9781617294532"; Console.WriteLine(Book2.ToString()); } } } c#constructorobject-create Share Follow askedOct24,2021at1:56 Kcampbell22Kcampbell22 1522bronzebadges 3 Canyoupostthesamplewhatcanbegoingwrong? – Serge Oct24,2021at2:05 "WhenIenterinthewrongvalueforBook1.Author....itchangesbothAuthornamesinbothobjects."whatobjectsareyoutalkingabout? – Serge Oct24,2021at2:06 1 set=>_Author="MaryDelamaterandJoelMurach,";shouldbeset=>_Author=value;,surely?Andyou'dassigntheintendedstringfromthespecificplace?Thesetterisn'tthedefault;itiswhathappensanytimeyouassignanyvaluetotheproperty,andrightnow,whathappensisyouignorethevaluebeingassigned,andchangethefieldtoafixedvalue – MarcGravell Oct24,2021at6:59 Addacomment  |  1Answer 1 Sortedby: Resettodefault Highestscore(default) Datemodified(newestfirst) Datecreated(oldestfirst) 0 Yourunderstandingoftheprogramflowiswrong.Inyourconstructorwhenyoucallyourpropertiestosetvalue,theprogramflowwillrunthesetpartwhichyouhardcodedtoastring.Nowifyoutrytosaveyourvalueviathispropertybyanobjectorinaconstructoritwillalwayssettothehardcodedvalueirrespectiveofwhatyouwant.Tostoreacustomvalue,youhavetouseset=>valueandtoapplyyourbusinessconstraint,youcanwritelogicalconditionsinsideyourpropertywhichiswhypropertiesareusedfortoachieveencapsulation. Somethinglikethis: publicstringAuthor{ get{ return_Author; } set{ if()//yourconditiontovalidateifauthoriswrong _Author="";//yourexpectedcorrectauthorname else _Author=value } } Share Follow answeredOct24,2021at7:30 dark_cypherdark_cypher 5877bronzebadges Addacomment  |  YourAnswer ThanksforcontributingananswertoStackOverflow!Pleasebesuretoanswerthequestion.Providedetailsandshareyourresearch!Butavoid…Askingforhelp,clarification,orrespondingtootheranswers.Makingstatementsbasedonopinion;backthemupwithreferencesorpersonalexperience.Tolearnmore,seeourtipsonwritinggreatanswers. Draftsaved Draftdiscarded Signuporlogin SignupusingGoogle SignupusingFacebook SignupusingEmailandPassword Submit Postasaguest Name Email Required,butnevershown PostYourAnswer Discard Byclicking“PostYourAnswer”,youagreetoourtermsofservice,privacypolicyandcookiepolicy Nottheansweryou'relookingfor?Browseotherquestionstaggedc#constructorobject-createoraskyourownquestion. 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