Скачать или смотреть How to Reload an Already Opened Popup Window Using JavaScript in ASP.NET C#

Discover how to effectively manage popup windows in ASP.NET C# , including how to reload an already opened popup window with JavaScript.
---
This video is based on the question https://stackoverflow.com/q/64335539/ asked by the user 'arater 2000' ( https://stackoverflow.com/u/12153044/ ) and on the answer https://stackoverflow.com/a/64348374/ provided by the user 'arater 2000' ( https://stackoverflow.com/u/12153044/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: asp.net C# reload already opened popup window button using javascript

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Reload an Already Opened Popup Window Using JavaScript in ASP.NET C#

Have you ever encountered a situation where you open a popup window using JavaScript, only to realize that clicking the button again refreshes the parent page instead of the opened popup? This is a common issue developers face when working with popup windows in web applications. In this guide, we will explore how to correctly reload an already opened popup window using JavaScript in a C# ASP.NET project.

The Problem

In our scenario, we have a simple button on a web page (Page 1) that opens a popup window (Page 2) when clicked. However, when the button is clicked again, it refreshes Page 1 instead of reloading the previously opened popup. This can lead to a frustrating user experience since users expect the popup window to refresh its content without affecting the main page.

The Solution

To solve this issue, we will modify our JavaScript function. Below, we break down the steps to achieve the desired behavior effectively:

Step 1: Understanding the Current Code

Here’s the original JavaScript code responsible for opening the popup:

[[See Video to Reveal this Text or Code Snippet]]

In this code snippet:

window.open is used to create a new popup window.

The problematic line x = window.opener.location.reload(); attempts to reload the opener (the parent page) instead of the popup.

Step 2: Updating the Code

To fix this, we should avoid reloading the parent window and instead just focus on the already opened popup. Here’s the updated version of our JavaScript function:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Implementing the Button

Now, ensure that your button triggers this modified function when clicked. Here’s how the button HTML code should look:

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Test the Changes

After implementing the changes, test the functionality:

Click the button to open the popup.

Click the button again to ensure that it focuses on the already opened popup without refreshing Page 1.

Conclusion

By utilizing the focus() method on the already opened popup window, we effectively avoided the issue of refreshing the parent page. This small adjustment can significantly enhance the user experience in your ASP.NET applications. With just a few changes to your JavaScript code, you can now ensure that your popup behaves as expected when users interact with it.

If you found this solution helpful, feel free to share your thoughts or ask any questions in the comments below! Happy coding!