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/questions/4660142/what-is-a-nullreferenceexception-and-how-do-i-fix-it
/questions/4660142/what-is-a-nullreferenceexception-and-how-do-i-fix-it
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Answers
You have not initialized your array. try this. May be this could help you.
items=new string[]{""}; items[size] = name;
Source
License : cc by-sa 3.0
http://stackoverflow.com/questions/41776422/handling-a-nullreferenceexception-in-c-sharp