Question

public class MedicineTransation{
[PrimaryKey, AutoIncrement]
public int   Id { get; set; }
public string name {get;set;}
public int age {get;set;}
public string grade {get;set;}
}               

// StudentViewController
//Add student Record to student database.  
btn_AddRecord.TouchUpInside += ((object sender, EventArgs e) => { 

    string folder = Environment.GetFolderPath (Environment.SpecialFolder.Personal);
    var db = new SQLiteConnection (System.IO.Path.Combine (folder, "student.db"));
    db.CreateTable<MedicineTransation>();
    var student = new Student { 

    name = studentName;
    age = studentage;
    grade = studentGrade;

    };
  db.Insert (student);

)};

//DetailedViewController
//Delete student Record to student database.  
   btn_DeleteRecord.TouchUpInside += ((object sender, EventArgs e) => { 

//  db.Insert (student); Insert Record into database.
//  db.Delete (student); Delete Record from database.

}

想要从另一个viewcontroller访问相同的数据库。

Answer 1

您可以实现存储库模式。

http://msdn.microsoft.com/en-us/library/ff649690.aspx

或者（如果该模式过度杀伤），那么您可以创建一个模型类，让它通过静态方法或单独的单例来管理自己。

如何从任何viewcontroller全局访问sql db

1 个答案: