Internal Server Error in asp.net website? SQL SERVER

Question

How to fix 'Internal Server Error in asp.net website?' SQL Server connection string

 

I am working on website building the website is ready its work locally great, but I deploy in website it give Internal server error only the database connection

I change connection string and try various method from others solution. but none of them work.

 

In web.config

 

<customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>

401 ERROR
{ "Message":"There was an error processing the request.", "StackTrace":"", "ExceptionType":"" }
unauthorized

<customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>

I used to show above errors,

My connection string:

<add name="sdsf" connectionString="Data Source=qtsihiot.com;Initial Catalog=sample;Integrated Security=False;User ID=xxxxxx;Password=xxxxxxx;Connect Timeout=15;Encrypt=False;TrustServerCertificate=False" />

 

I need save data but it impact the db in server qtsihiot.com from run local but I deploy in website the errors shown.