how to send dropdownlist selected value from view to controller

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2.00/5 (1 vote)

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Hi,
i am new in mvc

i am using mvc4
currently i learning mvc
i create a dropdown list and bind with databse.
for binding "firstnames" from databse , i am success,
i set firstname as a text
and StudentId as a Value
.
but i want to send dropdownlist selected values(id) from view to controller,
like example,
if i selected "john" then i want to get "john's id" in controller.
and i want to get all fileds(firstname,lastname,email,address) from id,

but i dont know how to do this

i tried to search on google but not success
.
please help me.

thanks in advance.

Posted 4-Oct-14 1:44am

Manish Dalwadi

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Comments

Samatha Reddy G 4-Oct-14 7:56am

Can you please put your viewpage code?

Manish Dalwadi 4-Oct-14 8:15am

for binding dropdownlist i wrote this code,
i used petapoco + my class file
controller
----------
public ActionResult Binddropdownlist()
{
Countries c1 = new Countries();

DataProvider dp = new DataProvider();

List<SelectListItem> selectitem = new List<SelectListItem>();
List<countries> items = (List<countries>)dp.getdata().Data;

foreach (var i in items)
{
selectitem.Add(new SelectListItem
{
Text = i.FirstName,
Value = Convert.ToString(i.StudentId)
});
}
ViewBag.fname = selectitem;

return View();
}
---------
View
---------
@model MVC_Controls.Models.Countries
@{
ViewBag.Title = "Binddropdownlist";
}

Binddropdownlist

@using (Html.BeginForm())
{
@Html.DropDownList("ddlfirstname", (IEnumerable<SelectListItem>)ViewBag.fname, "Select First Name")
<label id="fname">
dtd</label>

<input id="btnsend" type="button" value="Send" />
}
<script src="~/JS/jquery-2.1.1.min.js" type="text/javascript"></script>
<script type="text/javascript" language="javascript">

$("#ddlfirstname").change(function () {
debugger;
$.ajax({
url: "Home/getdata",
method: "POST",
data: "StudentId=" + $(this).val(),
dataType: "json",
success: function (response) {
window.location.reload();

// handle
}
});
});

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Manish Dalwadi · Answer 1 · 2014-10-04T02:14:00

for binding dropdownlist i wrote this code,
i used petapoco + my class file
controller
----------

XML

public ActionResult Binddropdownlist()
       {
           Countries c1 = new Countries();

           DataProvider dp = new DataProvider();

           List<SelectListItem> selectitem = new List<SelectListItem>();
           List<Countries> items = (List<Countries>)dp.getdata().Data;

           foreach (var i in items)
           {
               selectitem.Add(new SelectListItem
               {
                   Text = i.FirstName,
                   Value = Convert.ToString(i.StudentId)
               });
           }
           ViewBag.fname = selectitem;

           return View();
       }

---------
View
---------

XML

@model MVC_Controls.Models.Countries
@{
    ViewBag.Title = "Binddropdownlist";
}
<h2>
    Binddropdownlist</h2>
@using (Html.BeginForm())
{
    @Html.DropDownList("ddlfirstname", (IEnumerable<SelectListItem>)ViewBag.fname, "Select First Name")
    <label id="fname">
        dtd</label>

    <input id="btnsend" type="button" value="Send" />
}
<script src="~/JS/jquery-2.1.1.min.js" type="text/javascript"></script>
<script type="text/javascript" language="javascript">

    $("#ddlfirstname").change(function () {
        debugger;
        $.ajax({
            url: "Home/getdata",
            method: "POST",
            data: "StudentId=" + $(this).val(),
            dataType: "json",
            success: function (response) {
                window.location.reload();

                // handle
            }
        });
    });