I wanna import the data from excel into sqlserver 2005 in asp.net

private bool sheetNameValidation()
        {
//this is ur uploaded file name
            string FileName = Path.GetFileName(FileUpload.PostedFile.FileName);
            string Extension = Path.GetExtension(FileUpload.PostedFile.FileName);
            string FolderPath = ConfigurationManager.AppSettings["FolderPath"];
            string FilePath = Server.MapPath(FolderPath + FileName);            
            string ExcelConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" +                          FilePath + ";Extended Properties=" + "\"Excel 12.0;HDR=YES;\"";

            string myExcelDataQuery = "Select top 1 * from [Data$]";
            OleDbConnection OleDbConn = new OleDbConnection(ExcelConnectionString);
            OleDbCommand OleDbCmd = new OleDbCommand(myExcelDataQuery, OleDbConn);
            OleDbConn.Open();

            DataTable dt = new DataTable();
            dt = OleDbConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);

            if (dt == null)
            {
                return false;
            }

            String[] excelSheets = new String[dt.Rows.Count];
            int i = 0;

            // Add the sheet name to the string array.
            foreach (DataRow row in dt.Rows)
            {
                excelSheets[i] = row["TABLE_NAME"].ToString();
                i++;
            }            
            OleDbConn.Close();
//
//
//
//Here you ned to check that the sheet of which data you want to import
// is exist in youe excel file...
            if (!excelSheets.Contains("Data$"))
            {
                Master.showError = "Invalid excel document. Please select correct file.";
                return false;
            }
            else
            {
                return true;
            }
        }