/// <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 (AppDBContainer db = new AppDBContainer())
{
db.Set <SysSample>().Add(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 (AppDBContainer db = new AppDBContainer())
{
db.Set <SysSample>().Attach(entity);
db.Entry <SysSample>(entity).State = 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 (AppDBContainer db = new AppDBContainer())
{
SysSample entity = db.SysSample.SingleOrDefault(a => a.Id == id);
db.Set <SysSample>().Remove(entity);
return(db.SaveChanges());
}
}
