contactWin
הקוד
public partial class contactWin : Form
{
public contactWin()
{
InitializeComponent();
}
private void mainWin_Load(object sender, EventArgs e)
{
loadCBX();
}
private void loadCBX()
{
List<contactTBL> lst = DBHelper.allContacts;
cbxContacts.DataSource = dgvContacts.DataSource = lst;
cbxContacts.DisplayMember = "fullName";
cbxContacts.ValueMember = "Id";
btnDelete.Enabled = btnUpdateContact.Enabled = lst.Count > 0;
if (lst.Count == 0)
{
txbFNUpdate.Text = "";
txbLNUpdate.Text = "";
}
}
public void moveToPage(int idx)
{
tabControl1.SelectedIndex = idx;
}
private void btnAddContact_Click(object sender, EventArgs e)
{
if (!validAddForm())
return;
string fn = txbAddFirstName.Text.Trim();
string ln = txbAddLastName.Text.Trim();
if (checkIfInDB(fn,ln))
{
MessageBox.Show("Contact Exist");
return;
}
contactTBL cToAdd = new contactTBL();
cToAdd.firstName = fn;
cToAdd.lastName = ln;
cToAdd.creationDate = DateTime.Now;
cToAdd = DBHelper.addContact(cToAdd);
if (cToAdd != null)
{
MessageBox.Show("OK");
txbAddFirstName.Text = "";
txbAddLastName.Text = "";
loadCBX();
}
}
private bool validAddForm()
{
bool a1 = checkAddFN();
bool a2 = checkAddLN();
return a1 && a2;
}
private bool checkIfInDB(string fn, string ln)
{
contactTBL c1 = DBHelper.getContactByName(fn, ln);
return c1 != null;
}
private bool checkAddLN()
{
string ln = txbAddLastName.Text.Trim();
if (ln.Length == 1)
{
errorProvider1.SetError(txbAddLastName, "Last name at least 2 letters");
return false;
}
if (!ln.All(Char.IsLetter))
{
errorProvider1.SetError(txbAddLastName, "only letters allows");
return false;
}
errorProvider1.SetError(txbAddLastName, "");
return true;
}
private bool checkAddFN()
{
string fn = txbAddFirstName.Text.Trim();
if (fn.Length < 2)
{
errorProvider1.SetError(txbAddFirstName, "First name is must need at least 2 letters");
return false;
}
if (!fn.All(Char.IsLetter))
{
errorProvider1.SetError(txbAddFirstName, "only letters allows");
return false;
}
errorProvider1.SetError(txbAddFirstName, "");
return true;
}
private void cbxContacts_SelectedIndexChanged(object sender, EventArgs e)
{
contactTBL selected = (contactTBL)cbxContacts.SelectedItem;
if (selected != null)
{
txbFNUpdate.Text = selected.firstName;
txbLNUpdate.Text = selected.lastName;
}
}
private void btnUpdateContact_Click(object sender, EventArgs e)
{
contactTBL selected = (contactTBL)cbxContacts.SelectedItem;
if (selected != null)
{
int idx = cbxContacts.SelectedIndex;
selected.firstName = txbFNUpdate.Text.Trim();
selected.lastName = txbLNUpdate.Text.Trim();
DBHelper.updateContact(selected);
loadCBX();
cbxContacts.SelectedIndex = idx;
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
contactTBL selected = (contactTBL)cbxContacts.SelectedItem;
if (selected == null)
{
return;
}
DialogResult result = MessageBox.Show("Are you sure", "Warning", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
DBHelper.deleteContact(selected);
loadCBX();
}
}
}