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in DataContainer.cs line 864
protected override void DoCopyValue (DataContainer from, int from_index, int to_index)
_values [to_index] = (double) GetContainerData (from.GetValue (from_index));
GetContainerData may return null, and casting it to double will cause a NullReferenceException.
I found this when I was trying to migrate my application from windows to linux. It works fine on windows(with official .NET runtime), but it will crash for this reason on linux.
System.NullReferenceException: Object reference not set to an instance of an object
at System.Data.Common.DoubleDataContainer.DoCopyValue (System.Data.Common.DataContainer from, Int32 from_index, Int32 to_index) [0x00000] in /root/mono-4.0.2/mcs/class/System.Data/System.Data.Common/DataContainer.cs:866
at System.Data.Common.DataContainer.CopyValue (System.Data.Common.DataContainer from, Int32 from_index, Int32 to_index) [0x00000] in /root/mono-4.0.2/mcs/class/System.Data/System.Data.Common/DataContainer.cs:237
at System.Data.Common.RecordCache.CopyRecord (System.Data.DataTable fromTable, Int32 fromRecordIndex, Int32 toRecordIndex) [0x0004a] in /root/mono-4.0.2/mcs/class/System.Data/System.Data.Common/RecordCache.cs:112
The caller is ExcelDataReader, a third party library, so I cannot tell how it's using the class.