NameValueCollection.GetValues Method (String)
Gets the values associated with the specified key from the NameValueCollection.
Assembly: System (in System.dll)
This method returns null in the following cases: 1) if the specified key is not found; and 2) if the specified key is found and its associated value is null. This method does not distinguish between the two cases.
This method is an O(n) operation, where n is the number of values associated with the specified key.