I\'m running through one of Microsoft\'s tutorials on MVC development and I\'m getting errors when trying to create various elements; Views, Controllers, etc.
The e
I have no evidence of the root cause, but the following issue wastes my two days ago to find out the solution.
If there big data table type in your model class, check the following word has existed
[Column(TypeName = "ubigint")]
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
in your model class. Just take out these two-line, everything is going to be fine.