Action is ambiguous,imported from the namespaces or types 'microsoft.office.interop.excel,system

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This is the value @ashokkarale
If(dt_CSCSiteActivationData.AsEnumerable().Where(Function(e) e(“Site ID”).ToString.Trim.ToLower.StartsWith(Dict_Config(“PediatricMainCohortShortForm”).ToString.Trim.ToLower)).ToList.Count>0,dt_CSCSiteActivationData.AsEnumerable().Where(Function(e) e(“Site ID”).ToString.Trim.ToLower.StartsWith(Dict_Config(“PediatricMainCohortShortForm”).ToString.Trim.ToLower)).CopyToDataTable(),dt_CSCSiteActivationData.Clone)