Here is my Image.cs and ImageMap.cs and DbContext Class, also I have column for
image which is byte array... please see if you can help me...
*************************************************
public partial class IMAGE
{
public int ID { get; set; }
public int? ITEMSTYLEID { get; set; }
public int? USERID { get; set; }
public int? CUSTOMERID { get; set; }
public byte[] PICTURE { get; set; }
public virtual CUSTOMER CUSTOMER { get; set; }
public virtual ITEMSTYLE ITEMSTYLE { get; set; }
public virtual USER USER { get; set; }
}
*************************************************
public class IMAGEMap : EntityTypeConfiguration<IMAGE>
{
public IMAGEMap()
{
// Primary Key
HasKey(t => t.ID);
// Properties
Property(t => t.PICTURE)
.IsRequired();
// Table & Column Mappings
ToTable("IMAGE", "Firebird");
Property(t => t.ID).HasColumnName("ID");
Property(t => t.ITEMSTYLEID).HasColumnName("ITEMSTYLEID");
Property(t => t.USERID).HasColumnName("USERID");
Property(t => t.CUSTOMERID).HasColumnName("CUSTOMERID");
Property(t => t.PICTURE).HasColumnName("PICTURE");
// Relationships
HasOptional(t => t.CUSTOMER)
.WithMany(t => t.IMAGEs)
.HasForeignKey(d => d.CUSTOMERID);
HasOptional(t => t.ITEMSTYLE)
.WithMany(t => t.IMAGEs)
.HasForeignKey(d => d.ITEMSTYLEID);
HasOptional(t => t.USER)
.WithMany(t => t.IMAGEs)
.HasForeignKey(d => d.USERID);
}
}
{
static Entities()
{
Database.SetInitializer<Entities>(null);
}
public Entities()
: base("Name=Entities")
{
}
public Entities(string connectionString)
: base(connectionString)
{
}
public Entities(DbConnection entityConnection) : base(entityConnection,
true)
{
}
public DbSet<ADDRESS> ADDRESSes { get; set; }
snip...
public DbSet<IMAGE> IMAGEs { get; set; }
snip...
public DbSet<VENDOR> VENDORs { get; set; }
public override int SaveChanges()
{
try
{
return base.SaveChanges();
}
catch (DbUpdateConcurrencyException e)
{
if (e.GetType() == typeof (DbUpdateConcurrencyException))
{
//Update the values of the entity that failed to save from
the store
e.Entries.GetEnumerator().Current.Reload();
}
EmailException.ExceptionEmail(e);
return 0;
}
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Configurations.Add(new ADDRESSMap());
snip...
modelBuilder.Configurations.Add(new IMAGEMap());
snip...
modelBuilder.Configurations.Add(new VENDORMap());
}
}
-----Original Message-----
From: MuthuAnnamalai [mailto:muthuannama...@sbcglobal.net]
Sent: Friday, March 22, 2013 6:27 AM
To: For users and developers of the Firebird .NET providers
Subject: Re: [Firebird-net-provider] Code First Error
But the Model is created by C# Entity Framework Power tool and I checked the
Image table mapping class which has mapping for primary key defined...
Sent from my iPad
On Mar 22, 2013, at 3:07 AM, Jiri Cincura <disk...@cincura.net> wrote:
> On Fri, Mar 22, 2013 at 3:05 AM, Muthu Annamalai
> <muthuannama...@sbcglobal.net> wrote:
>>
>> System.Data.Entity.Edm.EdmEntityType: EntityType ‘Image’ has no key
>> defined. Define the key for this EntityType.
>>
>> System.Data.Entity.Edm.EdmEntitySet: EntityType EntitySet ‘Images is
>> based on the type ‘Image’ that has no key defined. Define the key for
>> this EntityType.
>
> I think this is pretty clear. You didn't specified the key(s) for your entity.
>
>> All the tables in our database has primary key defined. And all the
>
> Which is not relevant here. The error is about model, not database.
>
>> primary keys have Description set to #PK_GEN#. Any clue to fix this
>> error is
>
> #PK_GEN# is used only when you *generate* EDM.
>
> --
> Jiri {x2} Cincura (x2develop.com founder) http://blog.cincura.net/ |
> http://www.ID3renamer.com
>
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------------------------------------------------------------------------------
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