/// <summary>
/// 排序
/// </summary>
/// <param name="ID"></param>
/// <param name="IsUp"></param>
public void Sort(int ID, bool IsUp)
{
using (var ct = new DS_SysProductCategoryDataContext(DbHelperSQL.Connection))
{
var md = ct.DS_SysProductCategory.Single(a => a.ID == ID);
ct.ExecuteCommand("update DS_SysProductCategory set px=(select RowNumber from (select (ROW_NUMBER() OVER (ORDER BY px)) AS RowNumber,id from DS_SysProductCategory where parentid={0}) as p2 where id=DS_SysProductCategory.id) where parentid={0}", md.ParentID);
if (IsUp)
{
DS_SysProductCategory p = ct.DS_SysProductCategory.Single(a => a.ID == ID);
DS_SysProductCategory p1;
if (p.Px > 1)
{
p1 = ct.DS_SysProductCategory.Single(a => a.Px == (p.Px - 1) && a.ParentID == md.ParentID);
p.Px--;
p1.Px++;
}
}
else
{
DS_SysProductCategory p = ct.DS_SysProductCategory.Single(a => a.ID == ID);
DS_SysProductCategory p1;
if (p.Px < ct.DS_SysProductCategory.Where(a => a.ParentID == md.ParentID).Count())
{
p1 = ct.DS_SysProductCategory.Single(a => a.Px == (p.Px + 1) && a.ParentID == md.ParentID);
p.Px++;
p1.Px--;
}
}
ct.SubmitChanges();
}
}
public void Update(DS_SysProductCategory SysProductCategory)
{
using (var ct = new DS_SysProductCategoryDataContext(DbHelperSQL.Connection))
{
ct.DS_SysProductCategory.Attach(SysProductCategory, true);
ct.SubmitChanges();
}
}
public void Add(DS_SysProductCategory SysProductCategory)
{
using (var ct = new DS_SysProductCategoryDataContext(DbHelperSQL.Connection))
{
ct.DS_SysProductCategory.InsertOnSubmit(SysProductCategory);
ct.SubmitChanges();
}
}
public void Delete(int ID)
{
using (var ct = new DS_SysProductCategoryDataContext(DbHelperSQL.Connection))
{
var st = ct.DS_SysProductCategory.Single(a => a.ID == ID);
ct.DS_SysProductCategory.DeleteOnSubmit(st);
ct.SubmitChanges();
}
}
public void Delete(string Ids)
{
using (var ct = new DS_SysProductCategoryDataContext(DbHelperSQL.Connection))
{
string[] idarray = Ids.Split(',');
int[] intarray = new int[idarray.Length];
for (int i = 0; i < idarray.Length; i++)
{
intarray[i] = int.Parse(idarray[i]);
var list1 = ct.DS_SysProductCategory.Where(a => a.ParentID == intarray[i]);
foreach (var item in list1)
{
ct.DS_SysProductCategory.DeleteAllOnSubmit(ct.DS_SysProductCategory.Where(a => a.ParentID == item.ID));
}
ct.DS_SysProductCategory.DeleteAllOnSubmit(list1);
}
var list = ct.DS_SysProductCategory.Where(a => idarray.Contains(a.ID.ToString()));
ct.DS_SysProductCategory.DeleteAllOnSubmit(list);
ct.SubmitChanges();
}
}