System.IO.Stream stream;
stream = System.IO.File.Open("c:\\zipfile\\savespreadstream.csv", System.IO.FileMode.Open);
gcSpreadSheet1.Sheets[0].OpenTextFile(stream, GrapeCity.Windows.SpreadSheet.Data.TextFileOpenFlags.None, "\r", ",", "");
//gcSpreadSheet1.Sheets[0].OpenTextFile(stream, GrapeCity.Windows.SpreadSheet.Data.TextFileOpenFlags.None, "\r", ",", "", System.Text.Encoding.ASCII);
//gcSpreadSheet1.OpenTextFile(0, stream, GrapeCity.Windows.SpreadSheet.Data.TextFileOpenFlags.None, "\r", ",", "");