public DbSet<tblFieldReport> FieldReports { get; set; }

    public class tblFieldReport
    {
        [Key, Column(Order = 1), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int RID { get; set; }

        public string UName { get; set; }
        public string PCCode { get; set; }
        public System.DateTime StartTime { get; set; }
        public System.DateTime EndTime { get; set; }
        public System.DateTime RepDate { get; set; }

    }

        // GET: FieldReport
        public ActionResult Index()
        {
            var fieldReports = from fieldreport in db.FieldReports
                               select fieldreport;

            return View(fieldReports.ToList());
        }

SELECT 
    [Extent1].[RID] AS [RID], 
    [Extent1].[UName] AS [UName], 
    [Extent1].[PCCode] AS [PCCode], 
    [Extent1].[StartTime] AS [StartTime], 
    [Extent1].[EndTime] AS [EndTime], 
    [Extent1].[RepDate] AS [RepDate]
    FROM [dbo].[tblFieldReports] AS [Extent1]

[Table(Name = "Customers")]
public class Customer
{
    // ...
}

[Table("Customers")]
public class Customer
{
    // ...
}