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How to get uploaded image dimensions in asp.net

I used following code to get uploaded image dimensions .
Where flLogoUplaoded is name of asp .net file uploaded control at my application
string UploadedImageType = flLogoUpload.PostedFile.ContentType.ToString().ToLower();
string UploadedImageFileName = flLogoUpload.PostedFile.FileName;

//Create an image object from the uploaded file
System.Drawing.Image UploadedImage = System.Drawing.Image.FromStream(flLogoUpload.PostedFile.InputStream);

//Determine width and height of uploaded image
float UploadedImageWidth = UploadedImage.PhysicalDimension.Width;
float UploadedImageHeight = UploadedImage.PhysicalDimension.Height;

Response.Write( UploadedImageWidth + “<br />”);
Response.Write(UploadedImageHeight + “<br />”);

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