Full Source Code
Image Database SQL
CREATE TABLE [dbo].[image] (
[img_pk] [int] IDENTITY (1, 1) NOT NULL ,
[img_name] [varchar] (50) NULL ,
[img_data] [image] NULL ,
[img_contenttype] [varchar] (50) NULL
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
ALTER TABLE [dbo].[image] WITH NOCHECK ADD
CONSTRAINT [PK_image] PRIMARY KEY NONCLUSTERED
(
[img_pk]
) ON [PRIMARY]
GO
TestImage.aspx
<html>
<head><title>View Image from the database</title></head>
<body bgcolor=#FFFFFF>
Here is the image, viewed from a database:<br />
<img src="viewimage.aspx?img=1" border=1>
</body>
</html>
ViewImage.aspx
<%@ Page language="c#" Src="ViewImage.aspx.cs" Inherits="DBImages.ViewImage" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<html>
<head></head>
<body>
<form id="ViewImage" method="post" runat="server"></form>
</body>
</html>
ViewImage.aspx.cs (CodeBehind file)
using System;
using System.Collections;
using System.Configuration;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace DBImages
{
/// <summary>
/// Summary description for ViewImage.
/// </summary>
public class ViewImage : System.Web.UI.Page
{
public ViewImage() { }
private void Page_Load(object sender, System.EventArgs
e)
{
//get the image id from the url
string ImageId = Request.QueryString["img"];
//build our query statement
string sqlText = "SELECT img_data,
img_contenttype FROM Image WHERE img_pk = " + ImageId;
SqlConnection connection = new SqlConnection(
ConfigurationSettings.AppSettings["DSN"].ToString() );
SqlCommand command = new SqlCommand(
sqlText, connection);
//open the database and get a datareader
connection.Open();
SqlDataReader dr = command.ExecuteReader();
if ( dr.Read()) //yup we found our
image
{
Response.ContentType
= dr["img_contenttype"].ToString();
Response.BinaryWrite(
(byte[]) dr["img_data"] );
}
connection.Close();
}
}
}