c# - How to get value in code behind from javascript -


hello newbie in asp.net , trying textbox value in code behind unable here process doing there gridview in project , on rowclick calling script 

    function getselectedrow(lnk) {         var row = lnk.parentnode.parentnode;         var rowindex = row.rowindex - 1;         var customerid = row.cells[0].innerhtml;         var suggested_plan = row.cells[1].innerhtml;         var plan_id = row.cells[5].innerhtml;         var propsed = row.cells[3].innerhtml;         var previouscost = row.cells[4].innerhtml;         document.getelementbyid('<%=txt_lead_id.clientid %>').value = customerid;         document.getelementbyid('<%=txt_suggested.clientid %>').value = suggested_plan;         document.getelementbyid('<%=txt_suggested.clientid %>').title = plan_id;         document.getelementbyid('<%=txt_previous.clientid %>').value = previouscost;         document.getelementbyid('<%=txt_units.clientid %>').value = propsed;          return false;     } </script>

and getting values in textboxes txt_lead_id , txt_suggested when in code behind getting string lead_id = txt_lead_id.text; lead_id giving me null values have no idea going wrong.

i think return false in end of javascript function (getselectedrow) causes this. return false prevents postback. postback causes information send server , can textbox.text() in code behind , use it. delete return false getselectedrow , check again.


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