Model class:
public class NewsCategoriesModel
{
public int NewsCategoriesID { get; set; }
public string NewsCategoriesName { get; set; }
}
Controller:
public ActionResult NewsEdit(int ID, dms_New dsn)
{
dsn = (from a in dc.dms_News where a.NewsID == ID select a).FirstOrDefault();
var categories = (from b in dc.dms_NewsCategories select b).ToList();
var selectedValue = dsn.NewsCategoriesID;
SelectList ListCategories = new SelectList(categories, "NewsCategoriesID", "NewsCategoriesName",selectedValue);
// ViewBag.NewsCategoriesID = new SelectList(categories as IEnumerable<dms_NewsCategory>, "NewsCategoriesID", "NewsCategoriesName", dsn.NewsCategoriesID);
ViewBag.NewsCategoriesID = ListCategories;
return View(dsn);
}
View :
@using (Html.BeginForm("Index", "Home", FormMethod.Post))
{
<div>
@Html.DropDownList("Students", (SelectList)ViewBag.students, new { @class = "form-control" })
</div>
<input type="submit" value="Select" id="Submit" class="btn btn-default" />
}
But I still not stop selected value in dropdown list
I am adding in view page model declaration on top of page
@model WebApplication4.Models.Student
and using 'DropDownListFor' instead of 'DropDownList' then
<div class="col-md-4">
<h2>Getting started</h2>
@using (Html.BeginForm("Index", "Home", FormMethod.Post))
{
<div>
@Html.DropDownListFor(model => model.Id, (IEnumerable<SelectListItem>)ViewBag.students, new { @class = "form-control" })
</div>
<input type="submit" value="Select" id="Submit" class="btn btn-default" />
}
</div>
After that selected value not changed when we click event fire. :-)