public virtual void Delete(TEntity entityToDelete)
{
if (_context.Entry(entityToDelete).State == EntityState.Detached)
{
_entitySet.Attach(entityToDelete);
}
_entitySet.Remove(entityToDelete);
}
public void Delete(string Id)
{
var t = Find(Id);
if (context.Entry(t).State == EntityState.Detached)
{
dbSet.Attach(t);
}
dbSet.Remove(t);
}
public void Delete(TEntity entity)
{
if (Context.Entry(entity).State == System.Data.Entity.EntityState.Detached)
{
DbSet.Attach(entity);
}
DbSet.Remove(entity);
}
public virtual void Delete(T model, bool isAdded)
{
//判断当前model如果没有追加到ef容器，则使用Attach进行追加
if (!isAdded)
{
_dbset.Attach(model);
}
//将当前代理类的状态修改成Deleted
_dbset.Remove(model);
}
public void Delete(T entry)
{
_dbSet.Attach(entry);
_dbSet.Remove(entry);
}
//删
#region 2.0 根据id删除 + int Del(T model)
/// <summary>
/// 2.0 根据id删除
/// </summary>
/// <param name="model">必须包含要删除id的对象</param>
/// <returns></returns>
public int Del(TEntity model)
{
entities.Attach(model);
entities.Remove(model);
return(dbContext.SaveChanges());
}
public void Update(TEntity item)
{
_dbSet.Attach(item);
_dbContext.Entry(item).State = EntityState.Modified;
}