private void bindingNavigatorDeleteItem_Click(object sender, EventArgs e)
{
if (dataGridView1.CurrentRow == null)
{
return;
}
if (dataGridView1.CurrentRow.Cells["customerId"].Value.ToString().Length == 0)//新行
{
dataGridView1.EndEdit();
if (MessageBox.Show("是否要删除这条数据？", "请选择", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
dataGridView1.Rows.Remove(dataGridView1.CurrentRow);
}
return;
}
if (MessageBox.Show("是否要删除这条数据？", "请选择", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
int customer_id = int.Parse(dataGridView1.CurrentRow.Cells["customerId"].Value.ToString());
if (db.QuerySalesOfCustomer(customer_id) != 0)
{
MessageBox.Show("该客户已发生交易，无法删除！");
return;
}
if (db.DelecteCustomer(customer_id) != 0)
{
dataGridView1.Rows.Remove(dataGridView1.CurrentRow);
return;
}
MessageBox.Show("删除失败！");
}
}
