110,538
社区成员
发帖
与我相关
我的任务
分享
private void button4_Click(object sender, EventArgs e)
{
string str_conn = "DataSource = localhost;DataBase = ****;User Id = root;Password =****";
MySqlConnection conn3 = new MySqlConnection(str_conn);
conn3.Open();
MySqlCommand cmd3 = conn3.CreateCommand();
cmd3.CommandText = "select * from sstu";
MySqlDataAdapter mydap = new MySqlDataAdapter();
mydap.SelectCommand = cmd3;
DataSet ds3 = new DataSet();
mydap.Fill(ds3);
MySqlCommandBuilder mysql_cmdbd =new MySqlCommandBuilder(mydap);
mydap.Update(ds3);
}