How to resize an image in asp.net

Monday, 25 May 2009

To resize an image use the following code where imgHeight and imgWidth is what you want to image to be                     Dim oImg As System.Drawing.Image = System.Drawing.Image.FromStream(fileUpload.PostedFile.InputStream)                     Dim oResized As System.Drawing.Image = New Bitmap(imgWidth, imgHeight)                     Dim oGraphic As Graphics = Graphics.FromImage(oResized)                     oGraphic.CompositingQuality = Drawing2D.CompositingQuality.HighQuality                     oGraphic.SmoothingMode = Drawing2D.SmoothingMode.HighQuality                     oGraphic.InterpolationMode = Drawing2D.InterpolationMode.HighQualityBicubic                     Dim oRectangle As Rectangle = New Rectangle(0, 0, imgWidth, imgHeight)                     oGraphic.DrawImage(oImg, oRectangle)                     oResized.Save(actualPath & fileName & ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg)                     oImg.Dispose()