Alek 's Blog

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http://alek.blogbus.com/logs/36470574.html

   protected void DataListImages_ItemDataBound(object sender, DataListItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            Tjgdcpic info = (Tjgdcpic)e.Item.DataItem;

            Image Image1 = (Image)e.Item.FindControl("Image1");

            //xjjgdc_images
            AppSettingsReader reader = new AppSettingsReader();
            string image_locate = reader.GetValue("Image_locate", typeof(string)).ToString().Trim();

            Image1.ImageUrl = image_locate + info.Realfilename;

            string image_file_name =info.Realpath.Trim() + "\\" + info.Realfilename;
            if (System.IO.File.Exists(image_file_name))
            {
                using (System.Drawing.Image img = System.Drawing.Image.FromFile(image_file_name))
                {
                    if ((img.Width > 640) || (img.Height > 640))
                    {
                        //
                        decimal width = img.Width;
                        decimal height = img.Height;
                        int newwidth, newheight;

                        string fbl_str = reader.GetValue("PicZuiDaFenbianlv", typeof(string)).ToString().Trim();
                        int fbl = int.Parse(fbl_str);

                        if (width > height)
                        {
                            newwidth = fbl;
                            newheight = (int)(height / width * fbl);
                        }
                        else
                        {
                            newheight = fbl;
                            newwidth = (int)(width / height * fbl);
                        }
                        Image1.Width = newwidth;
                        Image1.Height = newheight;
                    }
                    else
                    {
                        Image1.Width = img.Width;
                        Image1.Height = img.Height;
                    }
                }
            }

        }
    }