[c#] onchange event for html.dropdownlist

If you have a list view you can do this:

  1. Define a select list:

    @{
       var Acciones = new SelectList(new[]
       {
      new SelectListItem { Text = "Modificar", Value = 
       Url.Action("Edit", "Countries")},
      new SelectListItem { Text = "Detallar", Value = 
      Url.Action("Details", "Countries") },
      new SelectListItem { Text = "Eliminar", Value = 
      Url.Action("Delete", "Countries") },
     }, "Value", "Text");
    }
    
  2. Use the defined SelectList, creating a diferent id for each record (remember that id of each element must be unique in a view), and finally call a javascript function for onchange event (include parameters in example url and record key):

    @Html.DropDownList("ddAcciones", Acciones, "Acciones", new { id = 
    item.CountryID, @onchange = "RealizarAccion(this.value ,id)" })
    
  3. onchange function can be something as:

    @section Scripts {
    <script src="~/Scripts/jquery-1.10.2.min.js"></script>
    <script src="~/Scripts/jquery.unobtrusive-ajax.js"></script>
    
    <script type="text/javascript">
    
    function RealizarAccion(accion, country)
    {
    
        var url = accion + '/' + country;
        if (url != null && url != '') {
            window.location.href = url ;
        }
    }
    </script>
    
    @Scripts.Render("~/bundles/jqueryval")
    }
    

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