当前文件： AjaxDropShoping/DropShoping.aspx.cs[2K，2009-6-12 11:31:36]，打开代码结构图

		            
 1using System;
 2using System.Data;
 3using System.Configuration;
 4using System.Collections;
 5using System.Web;
 6using System.Web.Security;
 7using System.Web.UI;
 8using System.Web.UI.WebControls;
 9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using System.Configuration;
12using System.Data.SqlClient;
13//该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)
14
15public partial class DropShoping : System.Web.UI.Page,ICallbackEventHandler
16...{
17    string result;
18    protected void Page_Load(object sender, EventArgs e)
19    ...{
20        
21        if (!Page.IsPostBack)
22        ...{
23            SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["con"].ToString());
24            SqlDataAdapter sda = new SqlDataAdapter("select ProductName,ProductId,ProductPrice,ProductPicture from ProductMsg", con);
25            DataSet ds = new DataSet();
26            sda.Fill(ds, "Product");
27            this.GridView1.DataSource = ds.Tables["Product"];
28            this.GridView1.DataBind();
29                 
30        }
31    }
32
33
34
35    public string GetCallbackResult()
36    ...{
37        string res = null;
38        System.Threading.Thread.Sleep(1000);
39        int id = int.Parse(result);
40        SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["con"].ToString());
41        con.Open();
42        SqlCommand cmd = new SqlCommand();
43        cmd.Connection = con;
44        //cmd.CommandType = CommandType.StoredProcedure;
45        cmd.CommandText = "select ProductName,ProductPrice,ProductDesgin,ProductPicture from ProductMsg where ProductId=@id";
46        cmd.Parameters.Add("@id", SqlDbType.Int);
47        cmd.Parameters["@id"].Value =id;
48        SqlDataReader sdr = cmd.ExecuteReader();
49        try
50        ...{
51            while (sdr.Read())
52            ...{
53                if (sdr.GetString(2).Length <= 80)
54                ...{
55                    res += sdr.GetString(0) + "|" + sdr.GetDecimal(1).ToString() + "|" + sdr.GetString(2) + "|" + "picture/" + sdr.GetString(3).Trim();
56                }
57                else
58                ...{
59                    string desgin =null;
60                    desgin = sdr.GetString(2).Substring(0, 80) + "....";
61                    res += sdr.GetString(0) + "|" + sdr.GetDecimal(1).ToString() + "|" + desgin + "|" + "picture/" + sdr.GetString(3).Trim();
62                }
63            }
64            sdr.Dispose();
65            con.Close();
66            return res;
67        }
68        catch (Exception e)
69        ...{
70            Response.Write(e.Message);
71            con.Close();
72            return "0";
73        }
74        
75
76    }
77
78    public void RaiseCallbackEvent(string eventArgument)
79    ...{
80        result = eventArgument;
81    }
82
83
84}
85