public MobileCoverageMapAppViewModel ImportFromCSV(string telcoOperator)
        {
            string filePath = @"c:\Users\tomas\Documents\Visual Studio 2017\Projects\MobileCoverageMapApp\MobileCoverageMapApp\App_Data\pokryti-dalnic-mobilnim-signalem-d0.csv";
            MobileCoverageMapAppViewModel model = new MobileCoverageMapAppViewModel();

            model.Measurements = new List <Measurement>();

            using (var reader = new StreamReader(filePath))
            {
                string   firstLine = reader.ReadLine();
                string[] headers   = firstLine.Split(';');

                while (!reader.EndOfStream)
                {
                    string   line   = reader.ReadLine();
                    string[] values = line.Split(';');

                    bool  timeParseSuccess = DateTime.TryParse(values[0], out DateTime time);
                    bool  latParseSuccess  = float.TryParse(values[1], out float lat);
                    bool  lngParseSuccess  = float.TryParse(values[2], out float lng);
                    bool  RSRPParseSuccess;
                    float RSRP;

                    switch (telcoOperator)
                    {
                    case "O2":
                        RSRPParseSuccess = float.TryParse(values[5], out RSRP);

                        break;

                    case "T-Mobile":
                        RSRPParseSuccess = float.TryParse(values[3], out RSRP);
                        break;

                    case "Vodafone":
                        RSRPParseSuccess = float.TryParse(values[7], out RSRP);
                        break;

                    default:
                        RSRP = default(float);
                        break;
                    }

                    model.Measurements.Add(new Measurement {
                        Time          = time,
                        Lat           = lat,
                        Lng           = lng,
                        RSRP          = RSRP,
                        ContentString = lat.ToString() + ", " + lng.ToString() + "<br \\>" + "<b>RSRP: </b>" + RSRP.ToString()
                    });
                }
            }

            return(model);
        }
 public void ImportFromExcel()
 {
     MobileCoverageMapAppViewModel model = new MobileCoverageMapAppViewModel();
 }