SqlConnection cn = new SqlConnection("server=" + ComName + ";pwd=;uid=sa;database=数据");
SqlCommand cmd = cn.CreateCommand();
try
{
cmd.CommandText = "insert 数据(时间,设备编号,数据源) values("+this.date.Text + this.time.Text+"," + devnumber1[k] + "," + a1 + ")";
cmd.ExecuteNonQuery();
}
catch
{
}
finally
{
cn.Close();
}
调试时的cmd.commamdtext=insert 数据(时间,设备编号,数据源) values(2021年04月27日15:20:00,30 33 32 33 38 38 33 35 34 30 37 32 34 35 35 39 35 38 31 34 ,07 10 00 00 00 4B 96 80 00 00 00 57 6A 85 62 75 AA 0A 96 0B 98 0C 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 02 00 03 00 04 00 05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 77 D9 )
观察数据库里并没有数据,这是为什么?是sql语法有什么问题吗?程序有什么错误吗?还是数据库有什么问题?
这是我建的数据库