Sorting data received from a CSV files

class DisplayEmpData
{
    public void DisplayEmp()
    {
        List<string> columns;
        List<Dictionary<string, string>> myData = GetData(out columns);
        foreach (string column in columns)
        {
            Console.Write("{0,-9}", column);
        }
        Console.WriteLine();
        foreach (Dictionary<string, string> row in myData)
        {
            foreach (string column in columns)
            {
                Console.Write("{0,-9}", row[column]);
            }
            Console.WriteLine();
        }
        Console.ReadKey();
    }

    private static List<Dictionary<string, string>> GetData(out List<string> columns)
    {
        string line;
        string[] stringArray;
        char[] charArray = new char[] { ',' };
        List<Dictionary<string, string>> data = new List<Dictionary<string, string>>();
        columns = new List<string>();
        try
        {
            FileStream aFile = new FileStream(@"..\..\EmployeeDetails.txt", FileMode.Open);
            StreamReader sr = new StreamReader(aFile);
            // Obtain the columns from the first line.
            // Split row of data into string array
            line = sr.ReadLine();
            stringArray = line.Split(charArray);
            for (int x = 0; x <= stringArray.GetUpperBound(0); x++)
            {
                columns.Add(stringArray[x]);
            }
            line = sr.ReadLine();
            while (line != null)
            {
                // Split row of data into string array
                stringArray = line.Split(charArray);
                Dictionary<string, string> dataRow = new Dictionary<string, string>();
                for (int x = 0; x <= stringArray.GetUpperBound(0); x++)
                {
                    dataRow.Add(columns[x], stringArray[x]);
                }
                data.Add(dataRow);
                line = sr.ReadLine();
            }
            sr.Close();
            return data;
        }
        catch (IOException ex)
        {
            Console.WriteLine("An IO exception has been thrown!");
            Console.WriteLine(ex.ToString());
            Console.ReadLine();
            return data;
        }
    }
}