schedul task with custom table

hello kentico dev i try to execute a schedul task to read csv file and save the data into custom table but i think but nothing created any one have idea but it thanks` string filePath = @"C:\convertcsv.csv";

    // Check if file exists.
    int datacreated = 0;
    int dataupdated = 0;
    int dataerror = 0;
    try {
        if (File.Exists(filePath))
        {


            // Read column headers from file
            CsvReader csv = new CsvReader(File.OpenText(filePath));
            csv.Read();
            csv.ReadHeader();

            List<string> headers = csv.Context.HeaderRecord.ToList();

            // Prepares the code name (class name) of the custom table to which the data record will be added
            string customTableClassName = "AT.People";

            // Gets the custom table
            DataClassInfo customTable = DataClassInfoProvider.GetDataClassInfo(customTableClassName);
            if (customTable != null)
            {
                // Creates a new custom table item
                CustomTableItem newCustomTableItem = CustomTableItem.New(customTableClassName);

                // Sets the values for the fields of the custom table (ItemText in this case)
                newCustomTableItem.SetValue("Email","");

                // Save the new custom table record into the database
                newCustomTableItem.Insert();
            }
            else
                EventLogProvider.LogInformation("No parent", "No parent", "Page can't be created as there is no parent page.");
            datacreated++;

        }
    }
    catch (Exception ex)
    {
        dataerror++;
    }
    string result = datacreated + " data are created and " + dataupdated + " data are updated and " + dataerror + " data have errors.";
    return result;`