Html helper is not displaying on the page

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I have written following code in the view -

<pre lang="c#">
    <tr>
              <td>
                <%Html.Label("FromCity"); %>
               
              </td>
              <td>
                  <select id="Select1">
                      <option></option>
                 </select>             

               <%Html.DropDownList("City"); %>
               <%--<%Html.DropDownListFor("ddlCity",new SelectList(ViewData["City"].ToString(),"CityId","CityName"));%>--%>
               
              </td>
             
          </tr>

The helpers are not being displayed when I run the project, no error is displayed. All other HTML controls except helpers are displayed.
What should I do?

Posted 16-Mar-15 2:19am

Dolly Nimavat

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2 solutions

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Hardeep Saggi · Answer 1 · 2015-03-16T19:19:00

Solution 2

Replace

C#

ViewData["City"].ToString()

with

C#

ViewData["City"] as IEnumerable <SelectListItem>

XML

<%Html.DropDownListFor("ddlCity",new SelectList(ViewData["City"] as IEnumerable <SelectListItem>,"CityId","CityName"));%>

Posted 16-Mar-15 19:19pm

Hardeep Saggi

Updated 16-Mar-15 19:49pm

v3

Comments

Deepu S Nair 17-Mar-15 1:45am

Two solution for a single question?Its better to remove one and update the other.

Hardeep Saggi 17-Mar-15 1:49am

ok

Dolly Nimavat 17-Mar-15 12:57pm

I solved this error by writing this code -
<% Html.DropDownList("CityName");
Now there is no error and no otput. Any html helpers are not displayed in the browser.

Hardeep Saggi · Answer 2 · 2015-03-16T03:00:00

Solution 1

Please make sure you are filling viewBag.City with selectList and data

C#

ViewBag.City= new SelectList(db.Cities, "Id", "Name");

Rest of your code is correct

HTML

<%Html.DropDownList("City"); %>

;;-)

Posted 16-Mar-15 3:00am

Hardeep Saggi

Updated 16-Mar-15 19:40pm

v2

Comments

Dolly Nimavat 16-Mar-15 12:25pm

How does db.cities fetches data from database? I have used stored procedure to fetch the data and it returns datatable.
Following is the code I am selecting data from that datatable :
public ActionResult Index()
{
DbConnect objdb = new DbConnect();//connection to database
DataTable dt= objdb.ExecuteDataset("usp_allCities"); // call to the function that calls the stored procedure

List<SelectListItem> cityList=new List<SelectListItem>();

var mylist = new SelectList(dt.);
for (int i = 0; i < dt.Rows.Count; i++)
{
cityList.Add(new SelectListItem { Text = dt.Rows[i]["CityName"].ToString(), Value = dt.Rows[i]["CityId"].ToString() });
}

ViewData["CityName"] = (IEnumerable<SelectListItem>)cityList;
return View(ViewData);
}