DoubleClickAndBlur

example.razor

<table class="table-bordered">
	<tr>
		<td @ondblclick="StartEdit">
			@if (Editing)
			{
				<input @bind="Name" @onblur="EndEdit" />
			}
			else
			{
				<span>@(Name ?? "double-click here")</span>
			}
		</td>
	</tr>
</table>

@code
{
	string Name;
	bool Editing;
	void StartEdit() => Editing = true;
	void EndEdit() => Editing = false;
}