csharp 实体框架基础Practise.cs

Posted 2021-05-12

    // Raw Query using EF (get returned data into list of a provided model)
    public IEnumerable<EnrollmentDateGroup> GetStudentStatistics()
    {
        var query = "SELECT EnrollmentDate, COUNT(*) AS StudentCount "
            + "FROM Person "
            + "WHERE EnrollmentDate IS NOT NULL "
            + "GROUP BY EnrollmentDate";
        var data = context.Database.SqlQuery<EnrollmentDateGroup>(query);
        return data.ToList();
    }
    
    
    // ========================= ADD MORE CODES HERE =========================