//add, update, search, delete private void btnAdd_Click(object sender, EventArgs e) { GlobalVariable.selectedCustomerID = 0; frmCustomerAdd editForm = new frmCustomerAdd(); editForm.ShowDialog(); lvCustomers.Items.Clear(); DisplayCustomers(); }
private void btnUpdate_Click(object sender, EventArgs e) { if (lvCustomers.SelectedItems.Count == 0) { MessageBox.Show("Please select a Customer to update."); return; } GlobalVariable.selectedCustomerID = int.Parse(lvCustomers.SelectedItems[0].Text); frmCustomerAdd editForm = new frmCustomerAdd(); editForm.ShowDialog(); lvCustomers.Items.Clear(); DisplayCustomers(); }