The System.Data.SqlClient.SqlException – Violation of PRIMARY KEY constraint is a runtime exception in C# that occurs when the application tries to insert or update a row in a SQL Server….
The System.Data.SqlClient.SqlException – Cannot find column ‘xyz’ is a runtime exception in C# that occurs when the application tries to access a column in a SQL Server database that does….
The System.Data.SqlClient.SqlException – Cannot insert the value NULL into column ‘xyz’ is a runtime exception in C# that occurs when the application tries to insert or update a row in….
The System.Data.SqlClient.SqlException – String or binary data would be truncated is a runtime exception in C# that occurs when the application tries to insert or update data in a SQL….
The Microsoft.EntityFrameworkCore.DbUpdateException – An error occurred while updating the entries is a runtime exception in C# that occurs when Entity Framework Core encounters an error while saving changes to the….
The System.InvalidOperationException – The model backing the ‘xyz’ context has changed is a runtime exception in C# that occurs when the database schema does not match the Entity Framework model…..
The System.Data.SqlClient.SqlException – Invalid object name ‘xyz’ is a runtime exception in C# that occurs when the application tries to access a database object (e.g., table, view, stored procedure) that….
The System.Security.SecurityException – Request for permission failed is a runtime exception in C# that occurs when the application tries to perform an operation that requires specific permissions, but the necessary….
The System.NotSupportedException – Specified method is not supported is a runtime exception in C# that occurs when a method or operation is called that is not supported by the current….
The System.IO.DirectoryNotFoundException – Could not find a part of the path is a runtime exception in C# that occurs when the application tries to access a directory that does not….
