Carrotware.Web.UI.Controls.FileDataHelper.GetFileInfo C# (CSharp) Method

        public FileData GetFileInfo(string sQuery, string myFile)
        {
            sQuery = MakeFilePathUniform(sQuery);
            string sPath = MakeFileFolderPath(sQuery);

            string myFileName = String.Empty;
            DateTime myFileDate = Convert.ToDateTime("1899-01-01"); ;
            string myFileSizeF = String.Empty;
            long myFileSize;

            FileData f = new FileData();
            f.FileName = myFile;

            myFileName = Path.GetFileName(myFile).Trim();
            if (myFileName.Length > 0 && File.Exists(sPath + "/" + myFileName)) {
                FileInfo MyFile = new FileInfo(sPath + "/" + myFileName);
                myFileDate = File.GetLastWriteTime(MyFile.FullName);
                myFileSize = MyFile.Length;

                myFileSizeF = myFileSize.ToString() + " B";

                if (myFileSize > 1500) {
                    if (myFileSize > (1024 * 1024)) {
                        myFileSizeF = (Convert.ToDouble(Convert.ToInt32((myFileSize * 100) / (1024 * 1024))) / 100).ToString() + " MB";
                    } else {
                        myFileSizeF = (Convert.ToDouble(Convert.ToInt32((myFileSize * 100) / 1024)) / 100).ToString() + " KB";
                    }
                }
                string sP = sQuery;

                f.FileName = myFileName;
                f.FolderPath = MakeFilePathUniform(sP);
                f.FileDate = myFileDate;
                f.FileSize = myFileSize;
                f.FileSizeFriendly = myFileSizeF;
                if (!string.IsNullOrEmpty(MyFile.Extension)) {
                    f.FileExtension = MyFile.Extension.ToLowerInvariant();
                } else {
                    f.FileExtension = ".";
                }

                f.MimeType = "text/plain";

                try {
                    if ((from b in MimeTypes
                         where b.Key.ToLowerInvariant() == f.FileExtension.ToLowerInvariant()
                         select b).Count() > 0) {
                        f.MimeType = (from b in MimeTypes
                                      where b.Key.ToLowerInvariant() == f.FileExtension.ToLowerInvariant()
                                      select b.Value).FirstOrDefault();
                    }
                } catch (Exception ex) { }
            }

            return f;
        }