/// <summary>
/// Load button click event.
/// Reads
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnLoad_Click(object sender, EventArgs e)
{
string inputRecord;
string[] fields;
try
{
openFileDialog1.FileName = filName;
openFileDialog1.ShowDialog();
filName = openFileDialog1.FileName;
StreamReader inFile = new StreamReader(filName);
inputRecord = inFile.ReadLine();
while (inputRecord != null)
{
fields = inputRecord.Split(',');
StudentClass aStudent = new StudentClass();
aStudent.LastName = fields[0];
aStudent.FirstName = fields[1];
aStudent.IdNumber = Convert.ToInt32(fields[2]);
aStudent.ClassName = fields[3];
aStudent.Grade = fields[4];
lstBxGrades.Items.Add(aStudent);
inputRecord = inFile.ReadLine();
}//end of while
inFile.Close();
lblMessage.Text = "File Loaded";
btnSaveAs.Enabled = true;
}//end of try
catch (Exception exc)
{
lblMessage.Text = exc.Message;
} //end of catch
#endregion
} //end of form
private void btnEnter_Click(object sender, EventArgs e)
{
bool isValid = true;
lblMessage.Text = "";
int id = 0;
if (txtBxLastName.Text == "")
{
lblMessage.Text += "Last name is required!";
isValid = false;
}//Verifies last name is entered
if (txtBxFirstName.Text == "")
{
lblMessage.Text += " First name is required!";
isValid = false;
}//Verifies first name is entered
if (txtBxId.Text == "")
{
lblMessage.Text += " ID is required!";
isValid = false;
}//Verifies ID is entered
else if (int.TryParse(txtBxId.Text, out id) == false)
{
lblMessage.Text += "ID must be numeric! ";
isValid = false;
}//Verified ID is numeric
if (txtBxClass.Text == "")
{
lblMessage.Text += " Class is required!";
isValid = false;
}//Verifies class is entered
if (txtBxGrade.Text == "")
{
lblMessage.Text += " Grade is required!";
isValid = false;
}//Verifies grade is entered
if (isValid)
{
StudentClass aStudent = new StudentClass(txtBxLastName.Text,
txtBxFirstName.Text,
id,
txtBxClass.Text,
txtBxGrade.Text);
lstBxGrades.Items.Add(aStudent);
lblMessage.Text = "Student added successfully!";
ClearBox();
btnSaveAs.Enabled = true;
} //end of isValid
}
