Exemple #1
0
        /// <summary>
        /// convert csv to data table
        /// </summary>
        /// <param name="fileSaveWithPath"></param>
        /// <returns></returns>
        public DataTable ReadCsvFile(string fileSaveWithPath)
        {
            DataTable dtCsv = new DataTable();
            string    Fulltext;

            try
            {
                if (!String.IsNullOrEmpty(fileSaveWithPath))
                {
                    using (StreamReader sr = new StreamReader(fileSaveWithPath))
                    {
                        while (!sr.EndOfStream)
                        {
                            Fulltext = sr.ReadToEnd().ToString(); //read full file text
                            Fulltext = Fulltext.Replace("\r", "");
                            string[] rows = Fulltext.Split('\n'); //split full file text into rows
                            for (int i = 0; i < rows.Count() - 1; i++)
                            {
                                string[] rowValues = rows[i].Split(','); //split each row with comma to get individual values
                                {
                                    if (i == 0)
                                    {
                                        for (int j = 0; j < rowValues.Count(); j++)
                                        {
                                            dtCsv.Columns.Add(rowValues[j]); //add headers
                                        }
                                    }
                                    else
                                    {
                                        DataRow dr = dtCsv.NewRow();
                                        for (int k = 0; k < dtCsv.Columns.Count; k++)
                                        {
                                            dr[k] = rowValues[k].ToString();
                                        }
                                        dtCsv.Rows.Add(dr); //add other rows
                                    }
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                throw new InvalidDataException("CSVFile content is not correct ");
            }
            return(dtCsv);
        }
        private static DataTable GetDatasetFromCsv(string csvFileName)
        {
            DataTable dtCsv = new DataTable();
            string    Fulltext;
            var       path             = Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase);
            string    FileSaveWithPath = path.Replace(@"file:\", "") + @"\Datasets\" + csvFileName;

            using (StreamReader sr = new StreamReader(FileSaveWithPath))
            {
                while (!sr.EndOfStream)
                {
                    Fulltext = sr.ReadToEnd().ToString(); //read full file text
                    Fulltext = Fulltext.Replace("\r", "");
                    string[] rows = Fulltext.Split('\n'); //split full file text into rows
                    for (int i = 0; i < rows.Count() - 1; i++)
                    {
                        string[] rowValues = rows[i].Split(','); //split each row with comma to get individual values
                        {
                            if (i == 0)
                            {
                                for (int j = 0; j < rowValues.Count(); j++)
                                {
                                    dtCsv.Columns.Add(rowValues[j]); //add headers
                                }
                            }
                            else
                            {
                                DataRow dr = dtCsv.NewRow();
                                for (int k = 0; k < rowValues.Count(); k++)
                                {
                                    dr[k] = rowValues[k].ToString();
                                }
                                dtCsv.Rows.Add(dr); //add other rows
                            }
                        }
                    }
                }
            }
            return(dtCsv);
        }