c# - Calling a method from WS, parameter input type issue -


i have following operation in webservice interface:

[operationcontract]   list<vcard> getvcards(int[] vcardids);

and error when trying write code calling it:

enter image description here

what doing wrong?

thanks

you have type missmatch wrap cardlist new observablecollection() needed. e.g. before call service, 'course if it's following program semantic

service.getvcardsasync(new observablecollection<int>(cardlist))

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