public DS_Property GetSingle(int ID)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
return(ct.DS_Property.Single(a => a.ID == ID));
}
}
public List <T> Query <T>(string sql, params object[] parameterValues)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
return(ct.ExecuteQuery <T>(sql, parameterValues).ToList());//ct.DS_Property.Where(c=>System.Data.Linq.SqlClient.SqlMethods.Like(字段,"%A%"))
}
}
/// <summary>
/// 排序
/// </summary>
/// <param name="ID"></param>
/// <param name="IsUp"></param>
public void Sort(int ID, bool IsUp)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
var md = ct.DS_Property.Single(a => a.ID == ID);
ct.ExecuteCommand("update DS_Property set px=(select RowNumber from (select (ROW_NUMBER() OVER (ORDER BY px)) AS RowNumber,id from DS_Property where SysCatID={0}) as p2 where id=DS_Property.id) where SysCatID={0}", md.SysCatID);
if (IsUp)
{
DS_Property p = ct.DS_Property.Single(a => a.ID == ID);
DS_Property p1;
if (p.Px > 1)
{
p1 = ct.DS_Property.Single(a => a.Px == (p.Px - 1) && a.SysCatID == md.SysCatID);
p.Px--;
p1.Px++;
}
}
else
{
DS_Property p = ct.DS_Property.Single(a => a.ID == ID);
DS_Property p1;
if (p.Px < ct.DS_Property.Where(a => a.SysCatID == md.SysCatID).Count())
{
p1 = ct.DS_Property.Single(a => a.Px == (p.Px + 1) && a.SysCatID == md.SysCatID);
p.Px++;
p1.Px--;
}
}
ct.SubmitChanges();
}
}
public void Update(DS_Property Property)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
ct.DS_Property.Attach(Property, true);
ct.SubmitChanges();
}
}
public void Add(DS_Property Property)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
ct.DS_Property.InsertOnSubmit(Property);
ct.SubmitChanges();
}
}
public void Delete(int ID)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
var st = ct.DS_Property.Single(a => a.ID == ID);
ct.DS_Property.DeleteOnSubmit(st);
ct.SubmitChanges();
}
}
public void Delete(string Ids)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
string[] idarray = Ids.Split(',');
var list = ct.DS_Property.Where(a => idarray.Contains(a.ID.ToString()));
ct.DS_Property.DeleteAllOnSubmit(list);
ct.SubmitChanges();
}
}
public List <DS_Property> Query(string condition, string orderby, params object[] param)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
IQueryable <DS_Property> PropertyList = ct.DS_Property;
if (!string.IsNullOrEmpty(condition))
{
PropertyList = PropertyList.Where(condition, param);
}
if (!string.IsNullOrEmpty(orderby))
{
PropertyList = PropertyList.OrderBy(orderby);
}
return(PropertyList.ToList());
}
}
public List <DS_Property> Query(string condition, string orderby, int startIndex, int pageSize, ref int pageCount, params object[] param)
{
using (var ct = new DS_PropertyDataContext(DbHelperSQL.Connection))
{
IQueryable <DS_Property> PropertyList = ct.DS_Property;
if (!string.IsNullOrEmpty(condition))
{
PropertyList = PropertyList.Where(condition, param);
}
if (!string.IsNullOrEmpty(orderby))
{
PropertyList = PropertyList.OrderBy(orderby);
}
pageCount = PropertyList.Count();
return(PropertyList.Skip(startIndex).Take(pageSize).ToList());
}
}