public ActionResult List(TechInfo model)
{
//检查
//如果添加，判断别名是否存在
bool isAdd = true;
var list = TechService.List();
if (model.Id > 0)
{
isAdd = false;
}
if (isAdd)
{
//判断是否别名存在
if (!string.IsNullOrEmpty(model.Alias))
{
if (list.Where(m => m.Alias == model.Alias).Count() > 0)
{
ModelState.AddModelError("ALIASEXISTS", "别名存在，请选择其他别名");
}
}
}
else
{
//编辑，除了自身之外，判断是否存在
if (!string.IsNullOrEmpty(model.Alias))
{
if (list.Where(m => (m.Alias == model.Alias && m.Id != model.Id)).Count() > 0)
{
ModelState.AddModelError("ALIASEXISTS", "别名存在，请选择其他别名");
}
}
}
if (ModelState.IsValid)
{
TechService.Create(model);
ViewBag.Msg = "保存成功";
}
list = TechService.List();
ViewBag.List = list;
return(View());
}