我想删除datagridview中的选定行并删除Mysql中的行。删除datagridview中的选定行并删除数据库中的行
private void deleteOrderButton_Click(object sender, EventArgs e)
{
int selectedIndex = orderDataGridView.CurrentCell.RowIndex;
if (selectedIndex > -1)
{
orderDataGridView.Rows.RemoveAt(selectedIndex);
orderDataGridView.Refresh();
}
string constring = "datasource=localhost;port=3306;username=admin;password=acw123";
string Query = "delete from database.tem_order where temp_orderID = ????
MySqlConnection conDatabase = new MySqlConnection(constring);
MySqlCommand cmdDataBase = new MySqlCommand(Query, conDatabase);
MySqlDataReader myReader;
conDatabase.Open();
myReader = cmdDataBase.ExecuteReader();
MessageBox.Show("Updated");
我卡在MySql命令里面; 有人帮忙?
网格的数据源是如何设置的? –
数据源是来自同一张表,我回顾出来显示,我想删除数据网格中的选定项目,也在数据库中 – user2601433