Asp.net Configuration Error(crystal report error) - asp.net

i friend developed project and sent me the code while running the application i am getting this error.
please check the screenshot
I am using visual studio 2012.

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IIS Express not running in Visual Studio 2019

I am developing a chat application using ASP.NET Core MVC architecture.
Initially, the project worked well and could run on IIS Express. but later I found that now the IDE is not working; the project cannot run IIS Express.
I am getting the following error as an alert message as well as in the output console when trying to run my application from Visual Studio:
Error: The program '[18268] iisexpress.exe' has exited with code 0 (0x0).
Screenshot of the alert message in the IDE:
After a while, I restarted the project and when I run the project again, I got the following error again:
? Error: The program '[17512] iisexpress.exe' has exited with code 0 (0x0).
I am confused what is wrong with my project or IDE. Can somebody please help me to resolve this?
I checked Error running IIS-Express in Visual Studio and IIS express crashes after successfully debugged and build but they are very old posts and I could not find an answer to my problem.
Check your solution folder for a hidden ".vs" folder.
In Visual Studio, right click on the web project, chose properties and then navigated to the "web" tab. From there I changed the Project URL to another port number. For example, if it was http://localhost... - Changed it to http://localhost:43567.
If your machine is 64bit, please go to Tools-> options -> projects and solutions:

Unable to run asp.net development server

I installed VS 2013 on Windows 10 and I am trying to execute my ASP.Net program following error is showing.
After that reset windows 10. Then installed new VS 2013 ultimate. Then created simple HelloWorld program with
C#
Web
ASP.NET Web Application.
Still error remain.
Any ideas what is wrong?
Thanks!

How to run a ASP.net project to Xamarin Studio

I developed a website using ASP.net and it works perfectly but my Manager ask me to deploy it on a Ubuntu server so i tried to run it on a Xamarin Studio then when I tried to run the project on the Xamarin Studio I get this error.
Server Error in '/' Application.
This operation requires IIS integrated pipeline mode.
Hope somebody can help me. thanks
Mono does not implement every bits of Microsoft's.
Try ASP.NET 5 and deploy it via Docker. Microsoft BUILD 2015 has many sessions on that and you can find on Channel 9.

Unable to connect to ASP.NET development server error visual studio 2010

When I am trying to run my asp.net project it is giving me error as:
"Unable to connect to ASP.NET development server error."
It was working well one day ago, but after I uninstalled and re-installed Visual Studio, now it is showing me Error in visual studio.I have no idea about this error please help me in this regard. Any help regarding this will be strongly appreciated.
Even I faced this problem. while installing the visual studio 2010 we need to install IIS component.Follow the steps for installing "IIS 6 management capability".
1.goto control panel>>Turned windows features on or OFF>>
2.Internet information services >> web management tools>> check out checkbox (IIS management console)

How to debug code in visual studio 2005/2010 which is hosted to IIS of some other system(windows xp) which is in LAN?

I deployed published code of my website which is made in visual studio 2005 to my system's IIS.
Website is working fine.
Same code is deployed to QC environment for testing, but code is not working well there.
At QC environment we are getting some error :
"Unable to get records. Object reference not set to an instance of an object."
I am not getting that error to my local code.
Can you please suggest how can i debug the code with my local Visual Studio, code is deployed to QC's system ?

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