@*Use the OnRowDoubleClick event to set a row in edit mode*@ 

<TelerikGrid Data="@MyData"
             Height="400px"
             Pageable="true"
             OnRowDoubleClick="@OnRowDoubleClickHandler"
             EditMode="@GridEditMode.Inline"
             OnUpdate="@UpdateHandler"
             @ref="@GridRef">
    <GridColumns>
        <GridColumn Field="@(nameof(SampleData.Id))" Editable="false" Width="120px" />
        <GridColumn Field="@(nameof(SampleData.Name))" Title="Employee Name" />
        <GridColumn Field="@(nameof(SampleData.Team))" Title="Team" />
        <GridCommandColumn>
            <GridCommandButton Command="Save" Icon="save" ShowInEdit="true">Update</GridCommandButton>
            <GridCommandButton Command="Edit" Icon="edit">Edit</GridCommandButton>
            <GridCommandButton Command="Delete" Icon="delete">Delete</GridCommandButton>
            <GridCommandButton Command="Cancel" Icon="cancel" ShowInEdit="true">Cancel</GridCommandButton>
        </GridCommandColumn>
    </GridColumns>
</TelerikGrid>


@code {  

    public TelerikGrid<SampleData> GridRef { get; set; }

    void UpdateHandler(GridCommandEventArgs args)
    {
        SampleData itemToUpdate = args.Item as SampleData;
        int itemIndex = MyData.IndexOf(itemToUpdate);
        if (itemIndex > -1)
        {
            MyData[itemIndex] = itemToUpdate;
        }
    }

    void OnRowDoubleClickHandler(GridRowClickEventArgs args)
    {
        var updatedItem = args.Item as SampleData;
        EditItem(updatedItem);
    }

    void EditItem(SampleData item)
    {
        var currState = GridRef.GetState();
        currState.InsertedItem = null;
        currState.EditItem = null;
        currState.OriginalEditItem = null;
       
        SampleData itemToEdit = SampleData.GetClonedInstance(MyData.FirstOrDefault(x => x.Id == item.Id));
        
        currState.OriginalEditItem = itemToEdit;
        GridRef.SetState(currState);
    }

    public List<SampleData> MyData = Enumerable.Range(1, 30).Select(x => new SampleData
    {
        Id = x,
        Name = "name " + x,
        Team = "team " + x % 5,
    }).ToList();

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

        public override bool Equals(object obj)
        {
            if (obj is SampleData)
            {
                return this.Id == (obj as SampleData).Id;
            }
            return false;
        }

        public SampleData()
        {

        }

        public SampleData(SampleData itmToClone)
        {
            this.Id = itmToClone.Id;
            this.Name = itmToClone.Name;
            Team = itmToClone.Team;
        }

        public static SampleData GetClonedInstance(SampleData itmToClone)
        {
            return new SampleData(itmToClone);
        }
    }
}