Add string to List(of String) in an Object

Hobbyist_programmer 621 Reputation points
2021-02-18T07:49:44.313+00:00

Hallo,

I have a following object and i want to add a string to a list but i am getting error. What am i doing wrong?

    Public Class ItemsColl

            Public Property Coll1 as List(of String)

    End Class


Public CollList as New ItemsColl

CollList.Coll1.Add("StringValue")

Above code gives me 'Object reference not set to an instance of an object.' error.

VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
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  1. Viorel 116.6K Reputation points
    2021-02-18T08:31:31.88+00:00

    Try adding 'New': 

    Public Class ItemsColl
   Public Property Coll1 as New List(of String)
End Class
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  1. Hobbyist_programmer 621 Reputation points
    2021-02-18T08:39:52.537+00:00

    Thanks Viorel Adding New worked.

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