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Creating an array to store variable

 
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How to create an array that can store variable.I try to create the code below but it is giving me an error "object reference not set to an instance on an object "

Dim Info As String
Dim arrInfo() As String

For k = 0 To totalRows - 1
Info = lobjDs.Tables("tblMemberApproval").Rows(k).Item("strUserId")
arrInfo(k) = Info
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