我是初学者, 如何读出表中的数据到datagrid 中??
下面这样老报错,
SqlConnection conn=new SqlConnection("Server=(local);Database=yu;Trusted_Connection=true");
SqlDataAdapter adapter=new SqlDataAdapter("select * from oper_pwd",conn);
SqlCommandBuilder builder=new SqlCommandBuilder(adapter);
DataSet myDS=new DataSet();
adapter.Fill(myDS);
List_user.DataSource=myDS;
List_user.DataBind();