畅言智能语音教具系统能存储电吗

2025-03-18 14:30:53
推荐回答(1个)
回答1:

SqlConnection con = new SqlConnection
con.Open();
string sqlstr = "sql语句";
SqlDataAdapter da = new SqlDataAdapter(sqlstr, con);
DataSet ds= new DataSet();
da.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
con.Close();