c# - can not find dynamic html select in code behind -


i have class named "row" has 3 item {property,instance,degree}. want show items or rows user , if changed third part of class edit it. code of generating rows dynamically, numberofinstance number of rows.

<div id="hidden" class="hiddendiv"> <%   string matn = "";  (int = 0; < numberofinstance ; i++)  {      row r= new row();      r = a[i];      matn+= " <div class='cmsdiv'>";      matn += "<input id='text"+i+"' class='labelhid' type='text'"+"value = '"+r.property+ "'/>";      matn += "<input id='text2" + + "' class='labelhid' type='text'" + "value = '" + r.instance+ "'/>";       matn += " <select id='select" +i+ "'class='drophid' runat='server'>";      matn += " <option value= '"+ "خیلی زیاد"+"'>خیلی زیاد" + " <option value= '"+"زیاد'"+">زیاد";      matn += " <option value='"+"متوسط'"+">متوسط";      matn += " <option value='" + "کم'" + ">کم";      matn += "</select>";      matn += "</div>";      response.write(matn);      matn = "";   }      %>   </div>

now if user clicked on select , choose 1 option, it's value , pour r.degree in code behind. whatever did couldn't find in code behind , null. these attempts:

 var val = request["select" + i];       string  selection = request.form["select" + i];         hd = (hiddenfield)page.findcontrol("select" + i);   hd = (hiddenfield)control.findcontrol("select" + i);

you can't generate server side controls response.write (more info here). html elements writing output client side controls not server side , cannot found using page.findcontrol method.

consider using 1 of server side controls repeater instead.


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