How to open pdf in browser new tab in ASP.Net

i am using itextsharp pdf format 

MasterMainTable.AddCell(MasterMainTable_Cell01);
        MasterMainTable.AddCell(MasterMainTable_SpaceCell);
        MasterMainTable.AddCell(MasterMainTable_Cell02);
        pdfDoc.Add(MasterMainTable);
        pdfDoc.Close();

        HttpContext.Current.Response.ContentType = "application/pdf";
        HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
        HttpContext.Current.Response.Write(pdfDoc);
        HttpContext.Current.Response.End();