I use Entity Framework to access my SQL data. I have some constraints in the database schema and I wonder how to handle exceptions that are caused by these constraints....As example, I get the following exception in a case where two users try to add an (a...
I'm using Entity Framework 5.0 Code First;...public class Entity
{
[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public string EntityId { get; set;}
public int FirstColumn { get; set;}
public int SecondColumn { get; set;}
}
..
I have two entities which I want to be connected 1:1 relationship. User is principal and UserActivation is dependent, but I have no idea how that works....public class User
{
[Key]
public Guid Id { get; set; }
public string Name { get; set; }
...
Is there any way to rename a primary/foreign key constraint name through either data annotations or fluent API?...I'm not talking about the property/column name. The constraint name. I did some search and didn't find any solutions yet. ...Please help!
I have the following two classes:...public class Record
{
public int RecordId { get; set; }
public DateTime? InsertDate { get; set; } = DateTime.Now;
public DateTime BookingDate { get; set; }
public string AmountTypeName { get; set; }
...