ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,254 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 61%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
If hosted by IIS, an untaught error should be logged in the event log.
How to get error not catched by logging application ?
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 96%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Ahmed Abd El Aziz
315
Reputation points
I working on asp.net core 7 blazor Publish on iis. I get some error on my application related to connection and exceptions related to database exist or not
so it not catched by logging application so what another tool can give me recognized or detected issues and reasons by details
{count} votes
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Karen Payne MVP 35,201 Reputation points2023-08-31T08:25:45.43+00:00 Did you wrap the code in a try/catch with log to a file in the catch?
If using EF Core consider the following to test the connection.
public static async Task<(bool success, Exception exception)> CanConnectAsync(this DbContext context) { try { var result = await Task.Run(async () => await context.Database.CanConnectAsync()); return (result, null); } catch (Exception e) { // log to file here return (false, e); } } -
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 77%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFU%3C/text%3E%3C/svg%3E)
Farid Uddin Kiron MSFT 456 Reputation points Microsoft Vendor2023-09-04T05:45:39.7133333+00:00 Have tried the provided solution? Do you still have any concern on this? If you need more assistance on this issue, feel free to share. In addition, it would be great if you could share in which line, you are getting the exception, or relevant code you can share in order to assist you further.
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