//This method reads in the file and calls other methods which do the arithmetic, as well as adding each line as an object to recordList
private void LoadFile()
{
rtbMain.Clear();
string lineFromFile;
char[] deliminator = { ',' };
string[] lineFromFileSplit;
try
{
using (StreamReader reader = new StreamReader(fileName))
{
reader.ReadLine();
while (!reader.EndOfStream)
{
lineFromFile = reader.ReadLine();
lineFromFileSplit = lineFromFile.Split(deliminator);
Charts.ProcessMonthlyTotal(lineFromFileSplit);
Charts.RecordsPerMonth(lineFromFileSplit);
Charts.ItemsSold(lineFromFileSplit);
addToList(lineFromFileSplit);
}
whatGraph = 1;
drawTotalBarChart();
lblTotalEntries.Text = Convert.ToString(recordList.Count + 1);
}
}
catch (IOException ex)
{
MessageBox.Show("Error reading from file", "File Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnOpenFile_Click(object sender, EventArgs e)
{
if (openFileDialog.ShowDialog() != DialogResult.Cancel)
{
fileName = openFileDialog.FileName;
directoryName = openFileDialog.InitialDirectory;
if (fileOpen == false)
{
LoadFile();
fileOpen = true;
}
else
{
Charts.ClearVariables();
recordList.Clear();
LoadFile();
}
}
}