SQL传值 问题
string sql = "SELECT rightcopy FROM webTest.dbo.basicInfo";
SqlConnection sqlcon = new SqlConnection("Data Source=VIC;Initial Catalog=webTest;Integrated Security=True");
sqlcon.Open();
SqlCommand aa = new SqlCommand();
aa.CommandText = sql;
aa.Connection = sqlcon;
sqlcon.Close();
1 . 我新建一个 Lable 请问 Lable.test 显示 SQL表中的值 怎么写 还有 我的SqlConnection 是否错误