Hey Guys, I Have Problem With Keeping Vievstate Of Dynamic Create Input Textbox

See more:

C#

ASP.NET

XML

i have a problem when i try to keep values of input textboxes after postback in .net.
i have try with vievstate and the requestform to get html input values. and i have try to use session but i can get it to work, and i have cant find anything i havent tryede on goggle he is my code.

int idAddonR = 0;
            foreach (XmlNode nodeR in nodeListADDonR)
            {

                string udsolgtadd1 = nodeR["RoomStatus"].InnerText;
                int antal = 1;
                string inputr = "<input maxlength='3' size='3' style='text-align: center;outline: 0;border-radius:10px; box-shadow: 2px 2px 1px #888888; height: 26px;  width: 50px;' placeholder='&nbsp;Antal' name='txtRoomAntal" + idAddonR + "' id='txtRoomAntal" + idAddonR + "'" + "data-role='none' type='text'  runat='server'/>";


                antal = Convert.ToInt32(udsolgtadd1);


                if (antal == 0)
                {
                    inputr = "<input readonly='readonly' style='background-color:lightgrey;text-align: center;outline: 0;border-radius:10px; box-shadow: 2px 2px 1px #888888; height: 26px;  width: 50px;' placeholder='&nbsp;Antal' name='txtRoomAntal" + idAddonR + "' id='txtRoomAntal" + idAddonR + "'" + "data-role='none' type='text' />";
                    nodeR["RoomStatus"].InnerText = "<i style='color:red;'>Udsolgt<i>";
                }
                else if (antal <= 5)
                {
                    inputr = "<input maxlength='3' size='3' style='text-align: center;outline: 0;border-radius:10px; box-shadow: 2px 2px 1px #888888; height: 26px;  width: 50px;' placeholder='&nbsp;Antal' name='txtRoomAntal" + idAddonR + "' id='txtRoomAntal" + idAddonR + "'" + "data-role='none' type='text' />";

                    nodeR["RoomStatus"].InnerText = "<i style='color:green;'>Få pladser tilbage</i>";
                }
                else if (antal >= 5)
                {
                    nodeR["RoomStatus"].InnerText = "";
                }




                litResultat.Text += @"<table class='table-responsive'><tr>"
                  + "<td class='col-sm-1'>" + inputr + "</td>"
                  + "<td class='col-md-3' style='text-align:left;'>" + nodeR["RoomText"].InnerText + "</td>"
                  + "<td class='col-md-1' style='text-align:right;'>" + nodeR["RoomPrice"].InnerText + "&nbsp;kr</td>"
                  + "<td class='col-md-3' style='text-align:left;'>" + "<i style=' font-family: times, Times New Roman, times-roman, georgia, serif;font-size: 16px;line-height: 40px;letter-spacing: -1px;color: #444;margin: 0 0 0 0;padding: 0 0 0 0;font-weight: 500;'>" + nodeR["RoomPriceOffersText"].InnerText + nodeR["RoomPriceOffers"].InnerText + "</i></td>"
                  + "<td class='col-md-2' style='text-align:left;'>" + "<i style=' font-family: times, Times New Roman, times-roman, georgia, serif;font-size: 18px;line-height: 40px;letter-spacing: -1px;color: #444;margin: 0 0 0 0;padding: 0 0 0 0;font-weight: 500;'>" + nodeR["RoomStatus"].InnerText + "</i></td>"

                 + "</tr>"
                 + "</table>";

                idAddonR++;

            }