The type 'string?' cannot be used as type parameter 'T' in the generic type or method 'Assert.Equal<T>(ReadOnlySpan<T>, T[])'. Nullability of type argument 'string?' doesn't match constraint type 'System.IEquatable<string?>'.

'MiniExcel.QueryAsDataTable(string, bool, string, ExcelType, string, IConfiguration)' is obsolete: 'QueryAsDataTable is not recommended, because it'll load all data into memory.'

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Non-nullable property 'c2' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'c1' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'c2' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'c1' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Dereference of a possibly null reference.

Dereference of a possibly null reference.