Blazor onclick with parameter. I'd want to make button onclick function that takes some input. Sep 1, 2020 · How to add onclick with parameter to button in Blazor? Asked 5 years, 5 months ago Modified 5 years, 5 months ago Viewed 5k times Dec 16, 2025 · Learn about data binding features for Razor components and DOM elements in Blazor apps. NET 8. NET technologies or working with . Feb 16, 2026 · The Havit. This guide demonstrates four effective ways to handle arguments, whether you’re working with loops, lambdas, or asynchronous functions. But what if we want to delete a Todo? We need a way to indicate which Todo should be removed when we c Oct 14, 2024 · When working with Blazor, passing arguments to the onclick function can sometimes be challenging. In Blazor, you can pass arguments to an onclick function by using the @onclick directive in combination with lambda expressions or method references. Finally, we will demonstrate how to set up a Blazor async event handler, very important if the application is making API calls. Oct 31, 2024 · Implementing @onclick events in Blazor can sometimes be tricky, especially when transitioning from other ASP. I want to close my popup by clicking next to the popup. I don't have a cross on my popup. 2 for correspondig list item. This guide will help you overcome these challenges by breaking down the process into five comprehensive steps, ensuring that your event handlers work smoothly and efficiently in Blazor. WriteLine(a + b); But for some reason it throws an error: Later I'd want to create those buttons in for loop like. How do you do that? This is the popup: 4 days ago · Production Blazor form UX patterns: inline errors on blur, async validation with debounce, dirty state save bars, and optimistic UI toggles — with complete working code. Blazor library provides three overlay components that wrap Bootstrap's modal and offcanvas functionality: HxModal - Full-featured modal dialogs with backdrop, size options, and accessibility support Oct 14, 2024 · Learn how to effectively pass arguments to the `onclick` function in Blazor with detailed examples and explanations. public void test(int a, int b) Console. Afterwards, we will look at how to implement other HTML events in Blazor. I expected the "clickItem" function will receive 0. Learn how to pass parameters to Blazor components using the onclick event. In my Blazor project I use a popup. And I don't want to use a Cancel button. Jul 10, 2020 · Blazor/razor onclick event with index parameter Asked 5 years, 7 months ago Modified 1 year, 4 months ago Viewed 8k times Jun 3, 2019 · I want to pass the int i into the button onclick function for each list item. Blazor library provides a suite of navigation components that integrate with Blazor's routing system while providing Bootstrap 5 styling and enhanced functionality. But it come out that it always receiv May 10, 2019 · Adding parameter to a function in Blazor client throws compiler error: Cannot convert from void to string, example:. Nov 12, 2025 · This article explains Blazor's event handling features, including event argument types, event callbacks, and managing default browser events. Jul 9, 2021 · In-addition, we will demonstrate how to use the parameter attribute to call a button onclick event in another Razor component. This example iterates over a list of Todos and shows text for each one. <button onclick="@test(i, 5 * i)">Check</button> How can I achieve that? So far so good, but what if you need to pass additional data to your event handlers? For example, you might need to loop through a collection and render buttons for each item. Learn how to use Class DropDownButtonBase. This step-by-step guide will show you how to use the onclick event to send data from a parent component to a child component. Read more in Telerik UI for Blazor complete API reference documentation. . Here's how you can achieve this: Learn how to pass data from child to parent component using event callbacks in Blazor. Follow the 5 steps and see the source code of a Blazor server app that demonstrates this feature. wwj oqe fpi axh sum sow gtm gua gzm xox zsy iao ymi mgf lfp