c# - Entity Framework Type configuration integer range -


i have assigned new project , have decided follow this architecture . have class this

public class course {     [databasegenerated(databasegeneratedoption.none)]     [display(name = "number")]     public int courseid { get; set; }      [stringlength(50, minimumlength = 3)]     public string title { get; set; }      [range(0, 5)]     public int credits { get; set; }      [display(name = "department")]     public int departmentid { get; set; }      public virtual department department { get; set; }     public virtual icollection<enrollment> enrollments { get; set; }     public virtual icollection<instructor> instructors { get; set; } }

now want take out dataannotations , put them in separate class using entitytypeconfiguration configuration classes, this

    public class courseconfigurations : entitytypeconfiguration<model.course> {     public courseconfigurations()     {         totable("courses");         property(d => d.id).isrequired();         property(d => d.title).hasmaxlength(50);         property(d => d.credits);     } }

now how put int , string range in configuration classes ? possible here or have in modelview ? how can differentiate validation ?

any appreciated ,i new mvc , these patterns bear me please :).


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