Show (Display) multiple save as download dialog box in ASP.Net MVC

I have multiple list data, and i want to export them. My code is working fine. All excel file save into database but issue is, only one dialog box displaying in front-end.

As i have multiple rows of data

For example i have 7 rows of data and i want to display 7 times save download dialog box 

I want multiple dialog box should open in front-end

for (int i = 0; i < jobNumList.Count; i++)
{
    var ii = jobNumList[i];
    string filename = ii;
    string folderpath = HttpContext.Server.MapPath("/ExcelFiles/");
    string filepath = Path.Combine(folderpath, filename);
 
    if (db.tblSoftGoodsDatas.Any(z=>z.BATCH==ii))
    {
        var catagory = db.tblSoftGoodsDatas.Where(z => z.BATCH == ii).FirstOrDefault().CATEGORY;
        var tbl = db.tblSoftGoodsDatas.Where(z => z.BATCH == ii).ToList();
        switch (catagory)
        {
            case "QFLB11":                          
               string htmlresult = RenderRazorViewToString(ControllerContext, "~/Views/Home/QFLB11.cshtml", tbl);
                byte[] excelbytes = Encoding.ASCII.GetBytes(htmlresult);                           
                MemoryStream memStream = new MemoryStream();
                memStream.Write(excelbytes, 0, excelbytes.Length);
                Response.Clear();
                Response.AddHeader("Content-Disposition", "attachment; filename=" + filename);
                Response.ContentType = "application/vnd.ms-excel";
                Response.Write(htmlresult);
                Response.End();
                Response.Flush();
                break;
        }         
    }     
}