//0添加失败，-1添加重复
public int addLocation(Location location)
{
int flag = 0;
using (ChooseDishesEntities entities = new ChooseDishesEntities())
{
//查询编码是否存在
var type = entities.Location.SingleOrDefault(bt => bt.Code == location.Code && bt.Deleted == 0);
if (type == null)
{
//实体绑定数据
entities.Location.Add(location);
try
{
//操作数据库
flag = entities.SaveChanges();
}
catch (Exception ex)
{
ex.ToString();
}
}
else
{
flag = -1;
}
}
return flag;
}
//0修改失败，-1修改重复
public int editByLocation(Location local)
{
int flag = 0;
using (ChooseDishesEntities entities = new ChooseDishesEntities())
{
//查询编码是否存在
var type = entities.Location.SingleOrDefault(bt => bt.Code == local.Code && bt.Deleted == 0 && bt.LocationId != local.LocationId);
if (type == null)
{
DbEntityEntry<Location> entry = entities.Entry<Location>(local);
//设置操作类型
entry.State = System.Data.Entity.EntityState.Unchanged;
//设置属性是否参与修改 ，设置为false则无法更新数据
entry.Property("Code").IsModified = true;
entry.Property("Name").IsModified = true;
entry.Property("UpdateBy").IsModified = true;
entry.Property("UpdateDatetime").IsModified = true;
try
{
//关闭实体验证，不关闭验证需要整个对象全部传值
entities.Configuration.ValidateOnSaveEnabled = false;
//操作数据库
flag = entities.SaveChanges();
entities.Configuration.ValidateOnSaveEnabled = true;
}
catch (Exception ex)
{
ex.ToString();
}
}
else
{
flag = -1;
}
}
return flag;
}
public int delByLocation(Location location)
{
int flag = 0;
using (ChooseDishesEntities entities = new ChooseDishesEntities())
{
DbEntityEntry<Location> entry = entities.Entry<Location>(location);
//设置操作类型
entry.State = System.Data.Entity.EntityState.Unchanged;
//设置属性是否参与修改 ，设置为false则无法更新数据
entry.Property("Deleted").IsModified = true;
entry.Property("UpdateBy").IsModified = true;
entry.Property("UpdateDatetime").IsModified = true;
try
{
//关闭实体验证，不关闭验证需要整个对象全部传值
entities.Configuration.ValidateOnSaveEnabled = false;
flag = entities.SaveChanges();
entities.Configuration.ValidateOnSaveEnabled = true;
}
catch (Exception ex)
{
ex.ToString();
}
}
return flag;
}