System.IO.Stream s;
s = System.IO.File.Open("C:\\controls\\book1.xlsx", System.IO.FileMode.Open);
//FpSpread1.Sheets[0].OpenExcel(s, "Sheet1");
//FpSpread1.Sheets[0].OpenExcel(s, 0);
//FpSpread1.Sheets[0].OpenExcel(s, "Sheet1", FarPoint.Excel.ExcelOpenFlags.DataOnly);
//FpSpread1.Sheets[0].OpenExcel(s, "Sheet1", FarPoint.Excel.ExcelOpenFlags.DataOnly, "123*");
//FpSpread1.Sheets[0].OpenExcel(s, 0, FarPoint.Excel.ExcelOpenFlags.DataOnly);
FpSpread1.Sheets[0].OpenExcel(s, 0, FarPoint.Excel.ExcelOpenFlags.DataOnly, "123*");