BLL

dal adal = new dal();
/// <summary>
/// 查询
/// </summary>
/// <param name="bid"></param>
/// <param name="bname"></param>
/// <param name="age"></param>
/// <param name="lid"></param>
/// <returns></returns>
public DataTable ShowStudent(string bid="", string bname="", string age="", string lid="")
{
return adal.ShowStudent(bid,bname,age,lid);
}
/// <summary>
/// 下拉
/// </summary>
/// <returns></returns>
public DataTable GetStudentList()
{
return adal.GetStudentList();
}
/// <summary>
/// 添加
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public int AddStudent(biao s)
{
return adal.AddStudent(s);
}
/// <summary>
/// 删除
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public int del(int id)
{
return adal.del(id);
}
/// <summary>
/// 反填
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public int upt(biao s)
{
return adal.upt(s);
}