Supported EventArgs are shown in the following table. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Accidentally overwriting parameter values in a child component often occurs when developing the component with one or more data-bound parameters and the developer writes directly to a parameter in the child: The potential for overwriting parameter values extends into the child component's property set accessors, too. None of the extra whitespace visually affects the rendered output. Then the values of the TextBoxes are . In JavaScript, define a function for building the custom event argument object from the source event: Register the custom event with the preceding handler in wwwroot/index.html (Blazor WebAssembly) or Pages/_Host.cshtml (Blazor Server) immediately after the Blazor