1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
| using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using MySql.Data.MySqlClient;
public partial class ViewImage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
// Check if an image id is specified in the get variable "imageid".
// ##### Will need to add a verification to evade SQL injections! #####
if (String.Compare(Request.QueryString["imageid"], null) > 0)
{
string imageId = Request.QueryString["imageid"];
// We query the images table
string selectSQL;
selectSQL = "SELECT id, date, filename, uploaderid, lang, descr FROM images ";
selectSQL += "WHERE id=" + imageId + " LIMIT 1";
string connString = ConfigurationManager.ConnectionStrings["MySQL"].ConnectionString;
MySqlConnection con = new MySqlConnection(connString);
MySqlCommand cmd = con.CreateCommand();
cmd.CommandText = selectSQL;
MySqlDataReader reader;
// We try to query the infos about the image and extract them
try
{
con.Open();
reader = cmd.ExecuteReader();
reader.Read();
viewImageLabelTwo.Text = reader["filename"];
reader.Close();
}
finally
{
con.Close();
}
}
else
{
viewImageLabelTop.Text = "No image is selected.";
}
}
} |
