Read dropdown value at server side from hidden field

Question

Hello Experts,

 

I am using mvc

In create view i have dropdownlist and i read the value of selected text from dropdown and set to the hidden field.

Now i want postback hidden field and read that value to the server

 

below create view code

 

@Html.DropDownList("dealerList", null, "---- Select Dealer ----", new { @class = "form-control", @onchange = "getSelectId();" }) 

 

<script>

function getSelectIdpro() {

var select = document.getElementById("productList");

var selectedID = select.options[select.selectedIndex].value;

var selectedText = select.options[select.selectedIndex].text;

alert("Id is " + selectedID);

alert("Name is " + selectedText);

$("#hiddenfield").val(selectedID);

};

 

</script> 

 

please help  

 

 Thank You