（请给一段完整可行的代码）我想要用asp.net C#查询sql server 的完整程序段C# code:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace WebApplication2
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox TextBox;
protected System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;
protected System.Data.SqlClient.SqlCommand sqlInsertCommand1;
protected System.Web.UI.WebControls.Button Button1;
protected System.Data.SqlClient.SqlConnection sqlConnection1;
protected System.Data.SqlClient.SqlCommand sqlCommand1;
protected System.Web.UI.WebControls.DataGrid Grid1;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
SqlConnection con = new SqlConnection("server=XCH;database=aaa;uid=sa;pwd=");
con.Open();
SqlDataAdapter da = new SqlDataAdapt
数据库表中有一列（TranXml）类型是xml，存储的是类似
<fathernode>
<a>aaa
</a>
<b>bbb
</b>
</fathernode>
的信息，并且通过查询方� ......
