ef-code-first

问题 I am trying to implement a simple self referencing relationship with EF 6.1.2 Code First. public class Branch { [Key] public int Id { get; set; } [Required] public string Name { get; set; } public int? ParentId { get; set; } [ForeignKey("ParentId")] public virtual Branch Parent { get; set; } public ICollection<Branch> Children { get; set; } // direct successors } In my application I have exactly one root branch. And except for this single root branch, every branch has exactly one parent (the

问题 I am trying to implement a simple self referencing relationship with EF 6.1.2 Code First. public class Branch { [Key] public int Id { get; set; } [Required] public string Name { get; set; } public int? ParentId { get; set; } [ForeignKey("ParentId")] public virtual Branch Parent { get; set; } public ICollection<Branch> Children { get; set; } // direct successors } In my application I have exactly one root branch. And except for this single root branch, every branch has exactly one parent (the

问题 For example when we write protected override void OnModelCreating(DbModelBuilder modelBuilder) { modelBuilder.Entity<tblError>().MapToStoredProcedures(); } Then it will create 3 stored procedures in the database with the names of tblError_Delete , tblError_Insert , tblError_Update My question is about tblError_Select : how to map a stored procedure that is used to execute select queries? I want EF to be generate tblError_Select along with preceding 3 stored procedures. I want to do CRUD

问题 public class A { [DatabaseGenerated(DatabaseGeneratedOption.Identity)] public virtual int Aid { get; set; } public virtual ICollection<B> B { get; set; } } public class B { [DatabaseGenerated(DatabaseGeneratedOption.Identity)] public virtual int Bid { get; set; } [Key] [Column(Order = 0)] [Required] Public virtual string BName {get ; set} [Key] [Column(Order = 1)] [Required] public virtual int Aid { get; set; } [ForeignKey("Aid")] public virtual A A { get; set; } public virtual ICollection<C>

来源： https://stackoverflow.com/questions/64799497/how-to-declare-column-description-using-ef-6-for-many-many-relationship

来源： https://stackoverflow.com/questions/55210832/ef-core-one-to-many-relationship-list-returns-null

来源： https://stackoverflow.com/questions/55210832/ef-core-one-to-many-relationship-list-returns-null

来源： https://stackoverflow.com/questions/64220620/unable-to-add-additional-fields-in-aspnetuser-table

来源： https://stackoverflow.com/questions/49721742/ef-code-first-not-creating-the-database

来源： https://stackoverflow.com/questions/49721742/ef-code-first-not-creating-the-database