/// <summary>
/// 创建一个一对多中的多
/// </summary>
/// <param name="db">实体数据</param>
/// <param name="entity">将要创建的一个一对多中的多</param>
public void Create(SysEntities db, YiDuiDuoZhongDeDuo entity)
{
if (entity != null)
{
db.YiDuiDuoZhongDeDuo.AddObject(entity);
}
}
/// <summary>
/// 创建一个一对多中的多
/// </summary>
/// <param name="entity">一个对象</param>
/// <returns></returns>
public int Create(YiDuiDuoZhongDeDuo entity)
{
using (SysEntities db = new SysEntities())
{
Create(db, entity);
return(this.Save(db));
}
}
/// <summary>
/// 删除一个一对多中的多
/// </summary>
/// <param name="db">实体数据</param>
/// <param name="id">一条一对多中的多的主键</param>
public void Delete(SysEntities db, int id)
{
YiDuiDuoZhongDeDuo deleteItem = GetById(db, id);
if (deleteItem != null)
{
db.YiDuiDuoZhongDeDuo.DeleteObject(deleteItem);
}
}
/// <summary>
/// 编辑一个一对多中的多对象
/// </summary>
/// <param name="db">实体数据</param>
/// <param name="entity">将要编辑的一个一对多中的多对象</param>
public YiDuiDuoZhongDeDuo Edit(SysEntities db, YiDuiDuoZhongDeDuo entity)
{
db.YiDuiDuoZhongDeDuo.Attach(entity);
db.ObjectStateManager.ChangeObjectState(entity, EntityState.Modified);
return(entity);
}