Double click a row to see the full Notes value.
<br />
<TelerikGrid Data="@MyData" Height="300px"
             Pageable="true" Sortable="true"
             Resizable="true" Reorderable="true"
             OnRowDoubleClick="@OnRowDoubleClickHandler">
    <GridColumns>
        <GridColumn Field="@(nameof(SampleData.Id))" Width="120px" />
        <GridColumn Field="@(nameof(SampleData.Name))" Title="Employee Name" Groupable="false" />
        <GridColumn Field="@(nameof(SampleData.Team))" Title="Team" />
        <GridColumn Field="@(nameof(SampleData.Note))" Title="Notes Template">
            <Template>
                @{ var dataItem = (SampleData)context; }
                <div class="custom-ellipsis">
                    @dataItem.Note
                </div>
            </Template>
        </GridColumn>
        <GridColumn Field="@(nameof(SampleData.HireDate))" Title="Hire Date" />
    </GridColumns>
</TelerikGrid>

<style>
    div.custom-ellipsis {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
</style>

<TelerikWindow @bind-Visible="@WindowIsVisible" Modal="true">
    <WindowTitle>
        <strong>Details for @CurrEmployee.Name</strong>
    </WindowTitle>
    <WindowContent>
        @CurrEmployee.Note
    </WindowContent>
    <WindowActions>
        <WindowAction Name="Minimize"></WindowAction>
        <WindowAction Name="Maximize"></WindowAction>
        <WindowAction Name="Close"></WindowAction>
    </WindowActions>
</TelerikWindow>

@code {
    private bool WindowIsVisible { get; set; }

    private SampleData CurrEmployee { get; set; } = new SampleData();

    private void OnRowDoubleClickHandler(GridRowClickEventArgs args)
    {
        CurrEmployee = args.Item as SampleData;

        WindowIsVisible = !WindowIsVisible;
    }

    public IEnumerable<SampleData> MyData = Enumerable.Range(1, 30).Select(x => new SampleData
    {
        Id = x,
        Name = "Employee Name " + x,
        Team = "Team Name " + x % 5,
        Note = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has... ",
        HireDate = DateTime.Now.AddDays(-x).Date
    });

    public class SampleData
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string Team { get; set; }
        public string Note { get; set; }
        public DateTime HireDate { get; set; }
    }
}