private void button2_Click(object sender, EventArgs e)
{
try
{
int entryid = Convert.ToInt32(dataGridView1.CurrentRow.Cells[0].Value.ToString());
using (ContactContext db = new ContactContext())
{
co1 = db.Contacts.Find(entryid);
db.Contacts.Remove(co1);
db.SaveChanges();
MessageBox.Show("Deleted Successfully");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
//ID
if (textBox3.Text != "")
{
co.contactID = Convert.ToInt32(textBox3.Text);
}
//First Name
if (textBox8.Text != "")
{
co.fname = textBox8.Text;
}
else
{
MessageBox.Show("First Name cannot be left empty");
return;
}
//Last Name
if (textBox1.Text != "")
{
co.lname = textBox1.Text;
}
else
{
MessageBox.Show("Last Name cannot be left empty");
return;
}
Regex reg = new Regex(@"^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$");
Match match;
//Email
if (textBox2.Text != "")
{
match = reg.Match(textBox2.Text);
if (match.Success)
{
co.email = textBox2.Text;
}
else
{
MessageBox.Show("Email not valid");
return;
}
}
else
{
co.email = textBox2.Text;
}
//Phone Number
co.mobilephone = maskedTextBox2.Text;
//Birth Date
if (dateTimePicker1.CustomFormat == " ")
{
co.birthdate = "";
}
else if (dateTimePicker1.CustomFormat == "dd/MM/yyyy")
{
co.birthdate = dateTimePicker1.Text;
}
//Address
co.address = textBox6.Text;
//Description
co.description = textBox7.Text;
//create ContactContext object
using (ContactContext db = new ContactContext())
{
if (textBox3.Text == "") //Create a new database entry
{
db.Contacts.Add(co);
}
else //Update an existing database entry
{
db.Entry(co).State = EntityState.Modified;
}
db.SaveChanges();
MessageBox.Show("Database Updated");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
Close();
}
private void dataGridView1_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
using (ContactContext db = new ContactContext())
{
if (fla == false)
{
if (dataGridView1.CurrentCell.ColumnIndex == 1)
{
dataGridView1.DataSource = db.Contacts.OrderByDescending(s => s.fname).ToList();
fla = true;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 2)
{
dataGridView1.DataSource = db.Contacts.OrderByDescending(s => s.lname).ToList();
fla = true;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 3)
{
dataGridView1.DataSource = db.Contacts.OrderByDescending(s => s.email).ToList();
fla = true;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 4)
{
dataGridView1.DataSource = db.Contacts.OrderByDescending(s => s.mobilephone).ToList();
fla = true;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 5)
{
dataGridView1.DataSource = db.Contacts.OrderByDescending(s => s.birthdate).ToList();
fla = true;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 6)
{
dataGridView1.DataSource = db.Contacts.OrderByDescending(s => s.address).ToList();
fla = true;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 7)
{
dataGridView1.DataSource = db.Contacts.OrderByDescending(s => s.description).ToList();
fla = true;
}
}
else
{
if (dataGridView1.CurrentCell.ColumnIndex == 1)
{
dataGridView1.DataSource = db.Contacts.OrderBy(s => s.fname).ToList();
fla = false;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 2)
{
dataGridView1.DataSource = db.Contacts.OrderBy(s => s.lname).ToList();
fla = false;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 3)
{
dataGridView1.DataSource = db.Contacts.OrderBy(s => s.email).ToList();
fla = false;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 4)
{
dataGridView1.DataSource = db.Contacts.OrderBy(s => s.mobilephone).ToList();
fla = false;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 5)
{
dataGridView1.DataSource = db.Contacts.OrderBy(s => s.birthdate).ToList();
fla = false;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 6)
{
dataGridView1.DataSource = db.Contacts.OrderBy(s => s.address).ToList();
fla = false;
}
else if (dataGridView1.CurrentCell.ColumnIndex == 7)
{
dataGridView1.DataSource = db.Contacts.OrderBy(s => s.description).ToList();
fla = false;
}
}
}
}
