<TelerikGrid Data=@MyData EditMode="@GridEditMode.Inline" Pageable="true" Height="500px" OnUpdate="@UpdateHandler" OnCreate="@CreateHandler">
    <GridToolBar>
        <GridCommandButton Command="Add" Icon="add">Add Employee</GridCommandButton>
    </GridToolBar>
    <GridColumns>
        <GridColumn Field=@nameof(SampleData.ID) Editable="false" Title="ID" />
        <GridColumn Field=@nameof(SampleData.Name) Title="Name" />
        <GridColumn Field=@nameof(SampleData.Role) Title="Position" Width="400px">
            <EditorTemplate>
                @{
                    CurrentlyEditedEmployee = context as SampleData;
                    <TelerikComboBox Placeholder="Select..." Data="@myDdlData" @bind-Value="@CurrentlyEditedEmployee.Role"
                                     TextField="MyTextField" ValueField="MyValueField" Filterable="true"
                                     @ref="@_clientPayCodeComboBox"
                                     Enabled="@( CurrentlyEditedEmployee.Name != "name 2" )">@* Some sample condition to disable one combo *@
                    </TelerikComboBox>
                }
            </EditorTemplate>
        </GridColumn>
        <GridCommandColumn>
            <GridCommandButton Command="Save" Icon="save" ShowInEdit="true">Update</GridCommandButton>
            <GridCommandButton Command="Edit" Icon="edit">Edit</GridCommandButton>
        </GridCommandColumn>
    </GridColumns>
</TelerikGrid>

@code {
    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 = new Guid() // intentionally all zeroes so we can easily see the edited items
            });
        }
    }

    public class SampleData
    {
        public int ID { get; set; }
        public string Name { get; set; }
        public Guid? Role { get; set; }
    }

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

    public class MyDdlModel
    {
        public Guid? MyValueField { get; set; }
        public string MyTextField { get; set; }
    }

    IEnumerable<MyDdlModel> myDdlData = Enumerable.Range(1, 20).Select(x => new MyDdlModel { MyTextField = "item " + x, MyValueField = Guid.NewGuid() });

    private TelerikComboBox<MyDdlModel, Guid?> _clientPayCodeComboBox;

    //sample data handling follows, should not be relevant to this example

    public SampleData CurrentlyEditedEmployee { get; set; }

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

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

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

        item.ID = MyData.Count + 1;

        MyData.Insert(0, item);
    }
}