Download Multiple Files

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C#3.0

C#

ASP.NET

Downloading multiple files without storing them in temp folder runtime.


senario : i want to download multiple files ,which are having unique id of the own and store it as a zip file,according to the files selected without storing in temp folder at runtime.

i tried this way
can any one help me out ,i'm stuck

string[] arrObjIDs = arrOfSelectedObjs[i].Split(new string[] { "~" }, StringSplitOptions.RemoveEmptyEntries);
                       Object[] returnobjects = g.GetDocument(arrObjIDs[0]);
                       string Filename = returnobjects.GetValue(0).ToString();
                       byte[] bdoc = (byte[])returnobjects.GetValue(1);
                       string[] fext = Filename.Split('.');
                       if (fext.Length > 1)
                           casestring = fext[fext.Length - 1];
                       strContentType = GetContentType(casestring);
                       zipFile.AddEntry(Filename, bdoc);