void btnAddUser_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(txtNewFName.Text) ||
string.IsNullOrWhiteSpace(txtNewLName.Text) ||
string.IsNullOrWhiteSpace(txtNewNumber.Text))
{
return;
}
DBOperator.AddUserToBase(txtNewFName.Text, txtNewLName.Text, txtNewNumber.Text);
phoneGridView.DataSource = null;
phoneGridView.DataSource = DBOperator.GetAllUsersFromBase();
}
void MainForm_Load(object sender, EventArgs e)
{
phoneGridView.DataSource = DBOperator.GetAllUsersFromBase();
}