VS2019, Debug, Pop-up - Please indicate the main language

Claudia Pinson 46

Hi,

I just installed VS2019 Community. I have an existing ASP.NET project that I opened in the VS 2019, and used F5 to debug. The first page is a page that I need to log in, and I am able to log in with no issues.

However, after I log in, now a pop-up window shows up, with:

localhost:44345 says:

The language of this website could not be determined automatcially. Please indicate the main language: (ISO 639-1). Then shows a list of languages, with "en" pre-selected. I clicked the "OK" button, then the pop-up goes away.

Then if I go to another page, this pop-up shows up again.

These pages showing the pop-up are using a "MasterPage.Master".

I have developed this project using VS2012, but has never eexperienced this. I have checked the browser - I'm using Chrome for development with VS2019, and the default language in Chrome has already been set as "English-US".

I searched on stackoverflow but surprisingly did not find any post showing the same issue.

Could someone help with some ideas and suggestions?

Thanks,

Claudia

1 answer

XuDong Peng-MSFT 10,176 Reputation points Microsoft Vendor

2022-09-19T03:29:31.357+00:00
Hi @Claudia Pinson ,

Based on your description, I'm not sure how to reproduce this issue, or you can try another browser (eg Microsoft Edge) to test if the same issue exists. Also, you can try the following two methods:

Add <meata> tag in head of the MasterPage . meta http-equiv="Content-Type" content="text/html; charset=utf-8"

Set the default language of this app in Web.config. <system.web>
<globalization uiCulture="en-US" culture="en-US"/>
</system.web>

Best regards,
Xudong Peng

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Claudia Pinson 46 Reputation points

2022-09-21T14:40:19.577+00:00

HI Xudong,

Thaks for getting back. However, I already have both of your suggestions, in the MasterPage.master, and the web.config file. The same issue persists after I have added those.

Also, I have tried using Edge - the same issue happens.

I have also checked the browser's language setting. in Chrome, the default language is set as English (US).

Please let me know what other things I can try.

Thanks,
Claudia

XuDong Peng-MSFT 10,176 Reputation points Microsoft Vendor

2022-09-22T10:10:27.39+00:00

Hi @Claudia Pinson ,

Well, if this is the case, I think this issue is related to the code logic in your project. You mentioned that this project was migrated from VS 2012 to VS 2019. Are there any changes in code or configuration?

If this problem occurs without any changes, I think this should be needed to narrow down the problem. You could try to check if the problem still occurs after removing the master page. Then determine whether the problem is in the master page or in the page logic through the result.

If possible, could you provide a minimal code example that reproduces the problem. This will help solve the problem.

Claudia Pinson 46 Reputation points

2022-09-24T19:11:32.26+00:00

HI XuDong,

I tried to remove the masterpage.master from the actulal aspx page, and the issue still persists.

I tried another .aspx page with MasterPage.master removed, and the same issue still persists.

I think that this could prove that this issue is NOT with the MasterPage.mast, but with these individual pages. However, these 2 .aspx pages that I have tried are very different.

Also, I found out that even on the same aspx page, if there is a button or link that when I click, the pop-up shown in the screenshot will show up again, - soit seems that this pop-up is related to click / on Click event, not just with the page.

I have created a minimal version of an .aspx page that was having this issue. I tested this file on my end - it has 2 links, when I click on any link, the page refresh and the same pop-up window shows up.

I tried to attach this file but the "Upload" window does not take .aspx file. So I've copied+pasted the content of this file ans submit again. you can save it to an .aspx file.

Please let me know if the above info provides any clue? Thanks for helping me troubleshoot.

Claudia

Claudia Pinson 46 Reputation points

2022-09-24T19:31:33.89+00:00

Hi XuDOng,

I could not provide the code example as the Upload does not allow me to upload an .aspx file. I tried to change the file type to .txt but it did not work. I also tried to copy+paste just the code, but only 1600 chars are allowed.

I can provide a minimal code file as you suggested. Please recommend how to do so. The file is very small, just 3kb.

I can email it to you if you provide an email address.

Thanks,
Claudia

XuDong Peng-MSFT 10,176 Reputation points Microsoft Vendor

2022-09-26T06:23:07.457+00:00

Hi @Claudia Pinson ,

Did you try to post code using this feature(highlight in yellow)? Under my tests it works fine, and txt attachments works fine as well. If you encounter unexpected problems and cannot share the sample code in this thread, you can also try sharing the code on Github. Thank you for your understanding.

244975-simple-file.txt

Claudia Pinson 46 Reputation points

2022-09-26T20:13:31.87+00:00

Hi Xudong,

I have tried that function "code Sample" as you indicated in the image. but it always say "1600 chars exceeded". I tried again to upload a .txt file, but it always says:
This attachment is not permitted because the file type is invalid.

I used both Edge and Chrome to try to do this - both failed.

Thanks,
Claudia

XuDong Peng-MSFT 10,176 Reputation points Microsoft Vendor

2022-09-27T02:43:37.573+00:00

Hi @Claudia Pinson ,

I edited the reply above and added an example txt attachment. Anyway I'm not sure why you're not uploading them correctly, but as I mentioned, you can try to share the code on github so we can copy or download the sample code to help with this issue.

By the way, you can send feedback on issues with shared code and file attachments.
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