private void changeGrade()
{
try
{
frmConfirm confirm = new frmConfirm();
DialogResult result = confirm.ShowDialog();
if (result == DialogResult.Yes)
{
//Update grade in database
String[] rows;
string filename = @"..\..\books.txt";
using (StreamReader sr = File.OpenText(filename))
{
rows = Regex.Split(sr.ReadToEnd(), "\r\n");
}
using (StreamWriter sw = new StreamWriter(filename))
{
for (int i = 0; i < rows.Length - 1; i++)
{
if (rows[i].Contains(data[4]))
{
rows[i] = rows[i].Replace(data[4], cboGrade.Text);
}
sw.WriteLine(rows[i]);
}
}
}
}
catch (Exception ex)
{
//MessageBox.Show("Please enter a valid email");
MessageBox.Show(ex.Message); //handles any error
}
}
private void changeEmail()
{
try
{
bool check = IsValidEmail(txtCurrent.Text);
bool valid = IsValidEmail(txtNew.Text);
if (txtCurrent.Text != ea || !valid)
{
MessageBox.Show("Invalid Email");
}
else
{
frmConfirm confirm = new frmConfirm();
DialogResult result = confirm.ShowDialog();
if (result == DialogResult.Yes)
{
//Update Email in database
String[] rows;
string filename = @"..\..\books.txt";
using (StreamReader sr = File.OpenText(filename))
{
rows = Regex.Split(sr.ReadToEnd(), "\r\n");
}
bool match = false;
using (StreamWriter sw = new StreamWriter(filename))
{
for (int i = 0; i < (rows.Length - 1); i++)
{
if (rows[i].Contains(txtCurrent.Text) && !match)
{
rows[i] = rows[i].Replace(txtCurrent.Text, txtNew.Text);
match = true;
}
sw.WriteLine(rows[i]);
}
}
MessageBox.Show("Email Updated");
hideButtons();
}
else
{
MessageBox.Show("Email not Updated");
hideButtons();
}
}
}
catch (Exception ex)
{
//MessageBox.Show("Please enter a valid email");
MessageBox.Show(ex.Message); //handles any error
}
}
private void changeName()
{
try
{
if (txtCurrent.Text == "" || txtNew.Text == "")
{
MessageBox.Show("Please fill all fields");
}
else
{
frmConfirm confirm = new frmConfirm();
DialogResult result = confirm.ShowDialog();
if (result == DialogResult.Yes)
{
//Update name in database
String[] rows;
string filename = @"..\..\books.txt";
using (StreamReader sr = File.OpenText(filename))
{
rows = Regex.Split(sr.ReadToEnd(), "\r\n");
}
using (StreamWriter sw = new StreamWriter(filename))
{
for (int i = 0; i < rows.Length - 1; i++)
{
if (rows[i].Contains(data[1]))
{
rows[i] = rows[i].Replace(data[1], txtCurrent.Text);
rows[i] = rows[i].Replace(data[2], txtNew.Text);
}
sw.WriteLine(rows[i]);
}
}
MessageBox.Show("Name Changed");
hideButtons();
lblFirst.Text = txtCurrent.Text;
lblLast.Text = txtNew.Text;
}
else
{
MessageBox.Show("Name not updated");
}
}
}
catch (Exception ex)
{
//MessageBox.Show("Please enter a valid email");
MessageBox.Show(ex.Message); //handles any error
}
}