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Thread: Retriving images from a database

  1. #1

    Thread Starter
    New Member
    Join Date
    Jan 2005
    Posts
    7

    Retriving images from a database

    Hey all I need some help with displaying some images that are in a database. Currently when I try to display them they come out in binary form and I am stumped on how to correct it.

    Server info:

    WWW Server:
    Windows Server 2003
    ASP .Net
    Pages are .aspx written in VBScript

    Database Info:
    MS SQL Server 2000

    Problem code:

    <%
    Dim rs
    rs = Server.CreateObject("adodb.recordset")
    rs.Open("Select * From avatar", Application("Conn"))
    If not rs.eof then
    Do Until rs.eof
    Response.ContentType = "image/gif"
    Response.binarywrite(rs.fields("a_avatar").value)
    rs.movenext
    Loop
    rs.close
    End If
    %>

    As stated above the result is display of the three images in the database in binary form.
    http://test.adiktclan.com/test.aspx

    Any help is greatly appreciated.

    Thanks,

    John K
    MCSA, A+

  2. #2
    Frenzied Member Magiaus's Avatar
    Join Date
    Mar 2002
    Location
    swamp land
    Posts
    1,267

    Re: Retriving images from a database

    This is code from my dbimage.aspx page.

    PHP 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;

    namespace 
    PKPromo.Web.Images
    {
        
    /// <summary>
        /// Summary description for Image.
        /// </summary>
        
    public class Image System.Web.UI.Page
        
    {
            private 
    void Page_Load(object senderSystem.EventArgs e)
            {
                if(
    Request["pid"] != "" && Request["pid"] != null)
                {
                    
    Business.Images.Image img = new Business.Images.Image(new System.Guid(Request["pid"]));
                    
    Response.ContentType "Image/jpeg";
                    
    Response.BinaryWrite(img.Raw);
                    
    Response.Flush();
                    
    Response.End();
                }
                else
                {
                    
    Response.ContentType "Image/jpeg";
                    
    Response.Flush();
                    
    Response.End();
                }
            }

            
    #region Web Form Designer generated code
            
    override protected void OnInit(EventArgs e)
            {
                
    //
                // CODEGEN: This call is required by the ASP.NET Web Form Designer.
                //
                
    InitializeComponent();
                
    base.OnInit(e);
            }
            
            
    /// <summary>
            /// Required method for Designer support - do not modify
            /// the contents of this method with the code editor.
            /// </summary>
            
    private void InitializeComponent()
            {    
                
    this.Load += new System.EventHandler(this.Page_Load);
            }
            
    #endregion
        
    }

    C# but you should be able to get the idea. Basicly you just turn the page into an image. <img src="dbimage.aspx?pid=imageid">

    The important parts are the content type and the binary write.
    Magiaus

    If I helped give me some points.

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