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Iron
Iron
 answered on 02 Nov 2025
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I am using a kendo popup window as a form to edit items on a grid. If there are errors with defining the properties if should return to the window with error messages. This is Controller action. Currently if the modelstate is not valid it returns a view without and styling (just Html)> If I return View instead of Partial the page loads correctly but as a full page and not a window
public ActionResult EditActivity(EditActivity model)
		{
			var activity = _uow.Activities.GetById(model.ActivityId);

			activity.Phone = model.Phone;
			activity.Fax = model.Fax;
			activity.LastUpdateDate = DateTime.Now;
			activity.LastUpdatedBy = _sessionHandler.UserId;
			if (ModelState.IsValid)
			{
				try
				{
                    _uow.Activities.Update(activity);
                    _uow.Commit();
                    TempData["SaveResultMessage"] = $"Changes to Activity : {activity.ActivityName} have been saved";
                }
				catch
				{
                    ModelState.AddModelError("Save", "Error occurred on save.");
                }

				return RedirectToAction("Index", "DepartmentActivity", new
				{
					id = activity.DepartmentId,
				});
			}

			return View(model);

Alexander
Telerik team
 answered on 07 Jun 2024
1 answer
71 views

We have this weird scenario where occasionally we get this, and a refresh and it may go away, its 99% not there and 1% of the time shows.

Happens in

Windows
DropDownList

Anton Mironov
Telerik team
 answered on 17 Apr 2024
1 answer
210 views

Hi

I use a Kendo window and load the content through AJAX from a partial view.

The partial view contains Kendo controls such as DropDownList, ContextMenu, etc.

How can I remove all the controls (destroy all UI, events, etc.) inside the partial view when I close the Kendo window

Anton Mironov
Telerik team
 answered on 07 Jun 2023
5 answers
309 views
Hello,
i've got some problems with kendo window: i've got a window opened by grid context menu. if i open the window, close and reopen the content of the window is shown smaller than the first time.

i'm using  the 1.9.1 version of jquery and the 2013.2.716 version of kendo min.

why this happens?

thanks a lot
Paolo


Gav
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Iron
 answered on 12 Apr 2023
1 answer
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Hello - we are currently using Telerik.UI.For.AspNet.Core 2020.3.915  is the CheckBoxGroup component available in this version or would we need to upgrade to a newer version of Kendo?  It doesn't not come up as an option for me.
Alexander
Telerik team
 answered on 09 Nov 2022
1 answer
166 views

Here's the definition of the two items that are linked by the CascadeFrom:
                      items.Add().Field(f => f.Country)
                                 .ColSpan(1)
                                 .Name("cmbCountry")
                                 .Editor(e => e.ComboBox()
                                               .AutoWidth(false)
                                               .DataTextField("name")
                                               .DataValueField("id")
                                               .BindTo(@CountryModel.Countries)
                                               .Placeholder("--- Select or Type Country"));
                      items.Add().Field(f => f.StateProvince)
                                 .ColSpan(1)
                                 .Name("cmbStatesProvinces")
                                 .Editor(e => e.ComboBox()
                                               .AutoWidth(false)
                                               .AutoBind(false)
                                               .Placeholder("--- Select State/Province ---")
                                               .DataTextField("name")
                                               .DataValueField("id")
                                               .DataSource(dS => dS.Read(read => read.Action("GetStateList", "Address").Data("filterState")).ServerFiltering(true))
                                               .CascadeFrom("cmbCountry")
                                               @*.BindTo(@StatesProvinces.StateProvince)*@
                                               );

Here's the AddressController.GetStateList:

        public JsonResult GetStateList(string? Country)
        {
            JsonResult? retval = null;
            if (!string.IsNullOrEmpty(Country))
            {   var Country_ID = CountryModel.Countries.Where(s => s.name == Country).ToList()[0].code;
                var State = StatesProvinces.StateProvince.Where(s => s.countryCode == Country_ID);
                retval = Json(State.Select(s => new { id = s.id, name = s.name }).ToList());
            }
            else
                retval = Json(StatesProvinces.StateProvince);
            
            return retval;
        }

 

This works for the first Country that is selected...  afterwards - if the Country is changed, the GetStateList is not called again to refresh the related/CascadeFrom Combobox.

Yanislav
Telerik team
 answered on 26 May 2022
1 answer
515 views

In my application II have a modal window that contains a date picker.  If I move the window down then click the date picker button the window moves back to the top of the screen

Any ideas?

Yanislav
Telerik team
 answered on 05 Apr 2022
0 answers
211 views
I have a grid inside my grid editor template (subgrid). And both grids have popup editing. Right now the subgrids popup window shows as a part of the main grid editor template (right below the subgrid) and it doesn't show the title. How can I show it as a new window?
Valeria
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 asked on 17 Jan 2022
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