LINQ Query Troubleshooting

dtFrstChkSuccessRecords.AsEnumerable.Where(Function(x) x.Item(If((“Column”)=(“”),(“Column”),Datetime.ParseExact((“Column”),“dd.MM.yyyy”,System.Globalization.CultureInfo.InvariantCulture).Tostring(“MM/dd/yyyy”))))).CopyToDataTable

above code is giving error as one or more inferno possible with shared code

i am using mentioned codes,but dont know why it is giving the end of expression expected