4,825 questions
the error is pretty clear. when creating the controller, you specified injection of the "ICrudOocrationSL" service in the constructor, but did not register that service when you added services.
Internal Server Error
![](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(25.6, 38%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EST%3C/text%3E%3C/svg%3E)
Sonu Thapa
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I am performing CRUD operation using .netCoreApi but facing the issue her i am sharing my error
Developer technologies | ASP.NET | ASP.NET Core
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Erland Sommarskog 121.8K Reputation points MVP Volunteer Moderator2023-04-28T20:13:09.89+00:00 I could not see any connection to SQL Server, so I removed that tag.
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![](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)
Bruce (SqlWork.com) 77,926 Reputation points Volunteer Moderator2023-04-28T20:25:20.6133333+00:00