@using System.ComponentModel.DataAnnotations
@using System.Reflection

<TelerikGrid Data=@MyData EditMode="@GridEditMode.Inline" Pageable="true" Height="500px"
             OnUpdate="@UpdateHandler" FilterMode="@GridFilterMode.FilterRow">
    <GridColumns>
        <GridColumn Field=@nameof(SampleData.ID) Editable="false" Title="ID" />
        <GridColumn Field=@nameof(SampleData.Name) Title="Name" />
        <GridColumn Field=@nameof(SampleData.Role) Title="Position">       
            <Template>
                @{
                    var currentEmployee = context as SampleData;
                    var currentRole = GetDisplayName(currentEmployee.Role);                        
                }

                @currentRole
            </Template>
        </GridColumn>
        <GridCommandColumn>
            <GridCommandButton Command="Save" Icon="save" ShowInEdit="true">Update</GridCommandButton>
            <GridCommandButton Command="Edit" Icon="edit">Edit</GridCommandButton>
        </GridCommandColumn>
    </GridColumns>
</TelerikGrid>

@code {
    //custom method to check whether Display attribute is defined and get and display its Name property, otherwise display the Enum's member name
    public string GetDisplayName(Enum val)
    {
        return val.GetType()
                  .GetMember(val.ToString())
                  .FirstOrDefault()
                  ?.GetCustomAttribute<DisplayAttribute>(false)
                  ?.Name
                  ?? val.ToString();
    }


    public void UpdateHandler(GridCommandEventArgs args)
    {
        SampleData item = (SampleData)args.Item;

        //update the view-model
        var index = MyData.FindIndex(i => i.ID == item.ID);
        if (index != -1)
        {
            MyData[index] = item;
        }

        //perform actual data source operations here
    }

    //model and dummy data generation
    public class SampleData
    {
        public int ID { get; set; }
        public string Name { get; set; }
        public Role Role { get; set; }
    }

    public enum Role
    {
        [Display(Name = "Manager")]
        ManagerRole,
        [Display(Name = "Employee")]
        EmployeeRole,
        [Display(Name = "Contractor")]
        ContractorRole
    }

    public List<SampleData> MyData { get; set; }

    protected override void OnInitialized()
    {
        MyData = new List<SampleData>();

        for (int i = 0; i < 50; i++)
        {
            MyData.Add(new SampleData()
            {
                ID = i,
                Name = "name " + i,
                Role = (Role)(i % 3) // just some sample to populate initial values for the enum
            });
        }
    }
}

<style>
    /*should work but does not*/
    .high-zindex {
        z-index: 124;/*note how this is higher than the z-index of the div element, and is higher than the default z-index of the component*/
    }

    /*workaround*/
    .k-animation-container {
        z-index: 15000;
    }
</style>

<div style="position: absolute; z-index: 123; width: 600px; height: 200px; background: yellow;">
    <TelerikMultiSelect Data="@Countries"
                        @bind-Value="@Values"
                        Placeholder="Enter Balkan country, e.g., Bulgaria"
                        ClearButton="true" AutoClose="false"
                        PopupClass="high-zindex">
    </TelerikMultiSelect>
</div>

@code {
    List<string> Countries { get; set; } = new List<string>();
    List<string> Values { get; set; } = new List<string>();

    protected override void OnInitialized()
    {
        Countries.Add("Albania");
        Countries.Add("Bosnia & Herzegovina");
        Countries.Add("Bulgaria");
        Countries.Add("Croatia");
        Countries.Add("Kosovo");
        Countries.Add("North Macedonia");
        Countries.Add("Montenegro");
        Countries.Add("Serbia");
        Countries.Add("Slovenia");

        base.OnInitialized();
    }
}

@{
    var model = ViewModel.Model;
}

<TelerikForm EditContext="@EditContext"
             Columns="2"
             ColumnSpacing="20px"
             Orientation="FormOrientation.Vertical"
             OnValidSubmit="OnValidSubmit">
    <FormValidation>
        <FluentValidationValidator />
    </FormValidation>
    <FormItems>
        <FormGroup LabelText="Set options">
            <FormItem>
                <Template>
                    <label class="k-label k-form-label" for="setName">Set Name</label>
                    <TelerikTextBox Id="setName" @bind-Value="@model.SetName"></TelerikTextBox>
                </Template>
            </FormItem>
            <FormItem>
                <Template>
                    <TelerikDateRangePicker @bind-StartValue="@model.StartDate"
                                            @bind-EndValue="@model.EndDate"
                                            Min="@ViewModel.MinStartDate"
                                            StartId="startDate"
                                            EndId="endDate"
                                            DisabledDates="@ViewModel.DisabledDates">
                    </TelerikDateRangePicker>
                </Template>
            </FormItem>
            <FormGroup Columns="2">
                <FormItem>
                    <Template>
                        <label class="k-label k-form-label" for="allowAutoFill">Allow Auto Fill</label>
                        <TelerikCheckBox Id="allowAutoFill" @bind-Value="@model.AllowAutoFill"></TelerikCheckBox>
                    </Template>
                </FormItem>
                <FormItem Field="@nameof(model.RequiredRecsToExpire)">
                    <Template>
                        <label class="k-label k-form-label">Required Recs to Expire</label>
                        <TelerikSlider @bind-Value="@model.RequiredRecsToExpire"
                                       Min="0"
                                       Max="20"
                                       SmallStep="1"
                                       LargeStep="5"
                                       ShowButtons="false"/>
                    </Template>
                </FormItem>
            </FormGroup>
        </FormGroup>
        <FormGroup LabelText="Initial starting point">
            <FormItem LabelText="existingSets">
                <Template>
                    <label class="k-label k-form-label" for="existingSets">From existing recommendation sets:</label>
                    <RecSetSelector AvailableSets="@ViewModel.AvailableSets"
                                    IsNew="true"
                                    SelectedSetId="@ViewModel.SelectedSetId"
                                    OnSetSelected="@OnSetSelected" />
                </Template>
            </FormItem>
            <FormItem>
                <Template>
                    <label class="k-label k-form-label" for="eanList">From a list of EANs:</label>
                    <TelerikTextArea Id="eanList"
                                     @bind-Value="@ViewModel.EanList"
                                     AutoSize="true">
                    </TelerikTextArea>
                </Template>
            </FormItem>
        </FormGroup>
        <FormItem ColSpan="2" Field="@nameof(model.Comment)">
            <Template>
                <TelerikTextArea Id="comment"
                                 @bind-Value="@model.Comment"
                                 AutoSize="true">

                </TelerikTextArea>
            </Template>
        </FormItem>
        <ValidationSummary />
    </FormItems>
    <FormButtons>
        <div class="justify-content-end">
            <TelerikButton ButtonType="ButtonType.Button" OnClick="OnCancel">Cancel</TelerikButton>
            <TelerikButton ButtonType="ButtonType.Submit" Primary="true">Save</TelerikButton>
        </div>
    </FormButtons>
</TelerikForm>