public static int AddModel <TEntity>(TEntity model) where TEntity : class
{
using (var context = new Data.CbooEntities())
{
context.CreateObjectSet <TEntity>().AddObject(model);
return(context.SaveChanges());
}
}
public static int UpdateModel <TEntity>(TEntity model) where TEntity : class
{
using (var context = new Data.CbooEntities())
{
context.CreateObjectSet <TEntity>().Attach(model);
context.ObjectStateManager.ChangeObjectState(model, System.Data.EntityState.Modified);
return(context.SaveChanges());
}
}
public static object GetModelList <TEntity, TKey>(Func <TEntity, bool> where, Func <TEntity, TKey> orderby, Models.Pager <TEntity> pager) where TEntity : class
{
using (var context = new Data.CbooEntities())
{
IEnumerable <TEntity> models = (from model in context.CreateObjectSet <TEntity>()
select model);
if (where != null)
{
models = models.Where(where);
}
if (orderby != null)
{
models = models.OrderBy(orderby);
}
if (pager != null)
{
return(models.Page(pager));
}
return(models.ToList());
}
}