Hello Alen,   Thanks for your prompt and valuable reply. Well actually I have tried many  xpt from our side as well as download from internet having four column but error shows ""xportLib.DataSets[0].Observations = 'xportLib.DataSets[0].Observations' threw an exception of type 'System.ArgumentOutOfRangeException'".   In four column i am not getting dataset and its observation too only getting variable details having first row header details. Please guide on me on this.   Thanks, MP   ... View more

Hi,   As per your guidance code is running but i observe that when i use four column xpt file it shows me error, details are as follow:   xportLib.DataSets[0].Observations = 'xportLib.DataSets[0].Observations' threw an exception of type 'System.ArgumentOutOfRangeException'   Awaiting for your prompt reply.   Thanks, MP ... View more