private void addButton_Click(object sender, EventArgs e)
{
try
{
//Empty condition area
if (String.IsNullOrEmpty(idTextBox.Text))
{
MessageBox.Show("Id Can not be Empty!!!");
return;
}
if (String.IsNullOrEmpty(nameTextBox.Text))
{
MessageBox.Show("Name Can not be Empty!!!");
return;
}
if (String.IsNullOrEmpty(addressTextBox.Text))
{
MessageBox.Show("Address Can not be Empty!!!");
return;
}
if (String.IsNullOrEmpty(contactTextBox.Text))
{
MessageBox.Show("contact Can not be Empty!!!");
return;
}
//Check UNIQUE
if (_customerBll.IsContactExists(idTextBox.Text))
{
MessageBox.Show("Id " + idTextBox.Text + " is Already Exists!");
return;
}
if (_customerBll.IsContactExists(nameTextBox.Text))
{
MessageBox.Show("Name " + nameTextBox.Text + " is Already Exists!");
return;
}
if (_customerBll.IsContactExists(contactTextBox.Text))
{
MessageBox.Show("Conact " + contactTextBox.Text + " is Already Exists!");
return;
}
//Add/Insert Item
bool isAdded = _customerBll.Add(Convert.ToInt32(idTextBox.Text), nameTextBox.Text, addressTextBox.Text, Convert.ToInt32(contactTextBox.Text));
if (isAdded)
{
MessageBox.Show("Saved");
}
else
{
MessageBox.Show("Not Saved");
}
//showDataGridView.DataSource = dataTable;
showDataGridView.DataSource = _customerBll.Display();
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}