private string[] GetColumnKeyName(DbEntityEntry entry)
{
System.Data.Entity.Core.Metadata.Edm.EntitySetBase setBase = ((IObjectContextAdapter)this).ObjectContext.ObjectStateManager.GetObjectStateEntry(entry.Entity).EntitySet;
string[] keyNames = setBase.ElementType.KeyMembers.Select(k => k.Name).ToArray();
return(keyNames);
}
private string GetTableName(Type entityType)
{
System.Data.Entity.Core.Objects.ObjectContext octx = (this as IObjectContextAdapter).ObjectContext;
System.Data.Entity.Core.Metadata.Edm.EntitySetBase et = octx.MetadataWorkspace.GetItemCollection(System.Data.Entity.Core.Metadata.Edm.DataSpace.SSpace)
.GetItems <System.Data.Entity.Core.Metadata.Edm.EntityContainer>()
.Single()
.BaseEntitySets
.Where(x => x.Name == entityType.Name)
.Single();
//String tableName = String.Concat(et.MetadataProperties["Schema"].Value, ".", et.MetadataProperties["Table"].Value);
return(et.MetadataProperties["Table"].Value.ToString());
}
public string[] GetPrimearyKey <T>(T obj)
{
System.Data.Entity.Core.Objects.ObjectStateEntry objectStateManager;
((IObjectContextAdapter)_context).ObjectContext.ObjectStateManager.TryGetObjectStateEntry(obj, out objectStateManager);
if (objectStateManager == null)
{
return(null);
}
System.Data.Entity.Core.Metadata.Edm.EntitySetBase setBase = objectStateManager.EntitySet;
string[] keyNames = setBase.ElementType.KeyMembers.Select(k => k.Name).ToArray();
return(keyNames);
}
