Here is the quick code of downloading the zip file from asp.net (vb.net)
1: Dim _strBeingViewedName As String = "MyZip"
2: Response.ContentType = "application/x-zip-compressed"
3: Response.AppendHeader("Content-Disposition", "attachment; filename=" + _strBeingViewedName + ".zip") 4: Response.TransmitFile("..\\zipPath\\" & _strBeingViewedName + ".zip") 'Full Path of the zip file 5: Response.End()