Data | database | Display file 1:showimage.aspx.cs
Namespace Imageresizing {
public class MainDisplay:System.Web.UI.Page {
public void Page_Load (System.Object sender, System.EventArgs e) {
try {
System.Int32 _imgid = System.Convert.ToInt32 (request.querystring["Imgid"));
System.Int32 _height = System.Convert.ToInt32 (request.querystring["height"));
System.Int32 _width = System.Convert.ToInt32 (request.querystring["width");
System.Data.SqlClient.SqlConnection Con = new System.Data.SqlClient.SqlConnection ("server=localhost;database= Northwind;trusted_connection=true ");
System.String SQLCMD = "SELECT * from Images WHERE imageID = @ImageID";
System.Data.SqlClient.SqlCommand sqlcmdobj = new System.Data.SqlClient.SqlCommand (SQLCMD, Con);
SQLCMDOBJ.PARAMETERS.ADD ("@ImageID", System.Data.SqlDbType.Int). Value = _imgid;
Con.open ();
System.Data.SqlClient.SqlDataReader Sqlreader = Sqlcmdobj.executereader ();
Sqlreader.read ();
System.Web.HttpContext.Current.Response.ContentType = "Image/pjpeg";
System.Drawing.Image _image = System.Drawing.Image.FromStream (New System.IO.MemoryStream ((byte[)) sqlreader["Image" ] ) );
System.Drawing.Image _newimage = _image. Getthumbnailimage (_width, _height, NULL, New System.IntPtr ());
_newimage. Save (System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
catch (System.Exception Ex) {
System.Web.HttpContext.Current.Trace.Write (Ex.Message.ToString ());
}
}
}
}
File 2: Display the picture, pass the QueryString
<body>
</body>
