InfoPath读取数据库

  public void LoadBtn_Clicked(object sender, ClickedEventArgs e)
        {      
      //    配置连接字符串 
            using (SqlConnection con = new SqlConnection("Data Source=sps;Initial Catalog=Test;User ID=sa;password=654321"))
            {
                //配置查询语句  http://blog.csdn.net/jintougao/article/details/8587661  sqlcommand的用法
                using (SqlCommand com = new SqlCommand(string.Format("select  * from UserInfo"), con))
                {
                    //打开数据连接
                    con.Open();
                    //创建阅读器对象  循环读取查询语句查询出的每一行的数据
                    SqlDataReader dr = com.ExecuteReader();
                    //获取重复表的每一行数据
                    XPathNodeIterator nodes = CreateNavigator().Select("/my:myFields/my:组1/my:组2", NamespaceManager);
                    //如果读到数据继续读取下一行 没读到返回false 结束循环
                    while (dr.Read())
                    {
                        //获取订单数据重复表的最后一行
                        XPathNavigator node = CreateNavigator().SelectSingleNode("/my:myFields/my:组1/my:组2[" + nodes.Count + "]", NamespaceManager);
                        //复制最后一行给一个新的对象
                        XPathNavigator xdata = node.Clone();
                        //插入到最后一行的后面
                        node.InsertAfter(xdata);
                        //设置插入那一行的对应列的属性
                        xdata.SelectSingleNode("my:ID", NamespaceManager).SetValue(dr["ID"].ToString());
                        xdata.SelectSingleNode("my:姓名", NamespaceManager).SetValue(dr["Name"].ToString());
                        xdata.SelectSingleNode("my:年龄", NamespaceManager).SetValue(dr["Age"].ToString());
                    }
                }
            }

  
        }