public bool UpData(IEnumerable <LibrayManagent> datas, ILibrayManagentDAL dal)
{
if (datas == null || dal == null)
{
return(false);
}
bool updateIsFun = true;
try
{
foreach (var data in datas)
{
if (data == null)
{
continue;
}
var entity = dal.GetEntity(data.ID);
bool isUp = dal.UpdateToCurrentValuesSets(entity, data);
}
}
catch (Exception e)
{
updateIsFun = false;
}
return(updateIsFun);
}
public bool Insert(IEnumerable <LibrayManagent> datas, ILibrayManagentDAL dal)
{
if (datas == null || dal == null)
{
return(false);
}
bool updateIsFun = true;
try
{
//删除StudentDetialData表必须将其从表中的依赖关系删除，我们需要找出所有关系数据，删除。
foreach (var data in datas)
{
if (data == null)
{
continue;
}
dal.AddEntity(data);
}
}
catch (Exception e)
{
updateIsFun = false;
}
return(updateIsFun);
}
public bool LibrayDelete(IEnumerable <LibrayManagent> datas, ILibrayManagentDAL dal)
{
if (datas == null || dal == null)
{
return(false);
}
bool updateIsFun = true;
try
{
foreach (var data in datas)
{
if (data == null)
{
continue;
}
bool isUp = dal.Delete(data);
}
}
catch (Exception e)
{
updateIsFun = false;
}
return(updateIsFun);
}