Does not contain a definition for and no extension method accepting a first argument of type could be found

Question

I ve looked around at some of the solutions to this problem but they don t seem to be the same as what I m experiencing   Method that I m trying to call   namespace BetfairAPI       public class CBetfairAPI               public ArrayList placeBets ArrayList betList  double stakeSize                           code to betList maniplulate              return betList                      Method that I m calling from   namespace Bot       public partial class Form1   Form                   private void makeBets MarketSummary mkt  double odds  double stakeAmt                                ArrayList betList   new ArrayList                        code to build  betList                   ArrayList bets   MyBetfair placeBets betList  stakeAmt                                      Error that I m receiving      Error 1    BetfairAPI CBetfairAPI  does not contain a definition for    placeBets  and no extension method  placeBets  accepting a first   argument of type  BetfairAPI CBetfairAPI  could be found  are you   missing a using directive or an assembly reference     I have no problem using any other methods in the CBetfairAPI class  placeBets   doesn t show up in the drop down menu in Visual studio if I do  CBetfairAPI    all the other methods and fields do    Thanks for your help

User · Accepted Answer

placeBets betList  stakeAmt  is an instance method not a static method  You need to create an instance of CBetfairAPI first   MyBetfair api   new MyBetfair    ArrayList bets   api placeBets betList  stakeAmt

User · Answer

There are two cases in which this error is raised    You didn t declare the variable which is used You didn t create the instances of the class

User · Answer

Declare an instance of the CBetfairAPI class or make it static

[c#] Does not contain a definition for and no extension method accepting a first argument of type could be found

Examples related to c#

Examples related to betfair