How Can I Call a JavaScript Function from Server-Side Code?

Call JavaScript functions from code-behind

Integrating JavaScript and server-side code in web applications is essential to enhance responsiveness and user experience. This integration allows seamless communication between front-end and back-end, enabling dynamic updates and data manipulation.

A common scenario is calling JavaScript functions from code-behind (server-side code). This allows you to perform specific actions or manipulate the DOM from the server side.

To illustrate how to do this, you can use the Page.ClientScript.RegisterStartupScript method. It accepts three parameters: the type of page, a unique identifier for the script, and the JavaScript code to execute. You can call a JavaScript function named MyFunction() from code-behind by setting the third parameter to MyFunction().

For example:

<code class="language-csharp">Page.ClientScript.RegisterStartupScript(this.GetType(),"CallMyFunction","MyFunction()",true);</code>

Using this method, you can trigger JavaScript functions from code-behind to dynamically manipulate page content, respond to user interaction, or access JavaScript objects and properties.

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