/// <summary>
/// 删除指定id的数据
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public bool Remove(int id)
{
bool r = false;
Models.CmArticlecategories obj = GetModel(id);
db.CmArticlecategories.Remove(obj);
r = db.SaveChanges() > 0;
return(r);
}
/// <summary>
/// 根据模型到数据库
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public bool Update(Models.CmArticlecategories model)
{
bool r = false;
Models.CmArticlecategories obj = GetModel(model.Id);
//obj.Name = model.Name;
//obj.Rank = model.Rank;
r = db.SaveChanges() > 0;
return(r);
}
/// <summary>
/// 添加保持
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public int Add(Models.CmArticlecategories model)
{
int r = -1;
if (!Exists(model))
{
db.CmArticlecategories.Add(model);
db.SaveChanges();
r = db.CmArticlecategories.Count();
}
return(r);
}
/// <summary>
/// 判断是否存在
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public bool Exists(Models.CmArticlecategories model)
{
return(db.CmArticlecategories.Contains(model));
}
