/// <summary>
/// 创建一个实体
/// </summary>
/// <param name="db">数据库上下文</param>
/// <param name="entity">实体</param>
public int Create(SysSample entity)
{
using (DBContainer db = new DBContainer())
{
db.SysSample.AddObject(entity);
return db.SaveChanges();
}
}
/// <summary>
/// 修改一个实体
/// </summary>
/// <param name="db">数据库上下文</param>
/// <param name="entity">实体</param>
public int Edit(SysSample entity)
{
using (DBContainer db = new DBContainer())
{
db.SysSample.Attach(entity);
db.ObjectStateManager.ChangeObjectState(entity, EntityState.Modified);
return db.SaveChanges();
}
}
/// <summary>
/// 删除一个实体
/// </summary>
/// <param name="db">数据库上下文</param>
/// <param name="entity">主键ID</param>
public int Delete(string id)
{
using (DBContainer db = new DBContainer())
{
SysSample entity = db.SysSample.SingleOrDefault(a => a.Id == id);
if (entity != null)
{
db.SysSample.DeleteObject(entity);
}
return db.SaveChanges();
}
}