The content of element type "resultMap" must match "(constructor?,id*,result*,association*,collectio 出现这样的原因是resultMap中<association property="parent" column="UPPER_ORG_" select="findOrganizationById"/>应该放
using System.Data.SqlClient; namespace UseDataGridView { public partial class Form1 : Form { public Form1() { InitializeComponent(); } string strCon = "Server=localhost;User Id=sa;Pwd=;DataBase=my";//定义数据库连接字符串 SqlConnection sqlcon;//声明数据库连接对象 S