public ItemCategoryCollection GetItemCategories(int PageSize, int PageIndex, string SortField, bool DESC, out int retCnt)
{
ItemCategoryCollection retobjs = null;
string _DESC = "DESC";
if (DESC)
{
_DESC = "DESC";
}
else
{
_DESC = "ASC";
}
string sql = "select * from " + this.m_itemCategoryTablename
+ " order by " + SortField + " " + _DESC;
retobjs = this._getItemCategories(sql, PageIndex, PageSize);
//try
//{
sql = sql.Replace("*", "count(*)");
sql = sql.Replace("order", "");
sql = sql.Replace("by", "");
sql = sql.Replace(_DESC, "");
sql = sql.Replace(SortField, "");
retCnt = this.m_db.GetRecordCount(sql);
//}
//catch
//{
retCnt = 0;
//}
return(retobjs);
}
private ItemCategoryCollection _getItemCategories(string sql, int pPageIndex, int pPageSize)
{
ItemCategoryCollection retobjs = new ItemCategoryCollection();
SqlDataReader sdr = null;
ItemCategory obj = null;
m_db.RunSql(sql, out sdr);
if (null == sdr)
{
return(null);
}
int _curRecPos = 0;
//计算页记录///
long _startpos = 0;
long _endpos = 0;
if (pPageIndex > -1)
{
_startpos = pPageIndex * pPageSize;
_endpos = _startpos + pPageSize;
}
while (sdr.Read())
{
if (_curRecPos > _endpos)
{
break;
}
if (_curRecPos >= _startpos && _curRecPos < _endpos)
{
obj = this._buildItemCategory(ref sdr);
if (null != obj)
{
retobjs.Add(obj);
}
}
_curRecPos++;
}
sdr.Close();
if (retobjs.Count > 0)
{
return(retobjs);
}
else
{
return(null);
}
}
private ItemCategoryCollection _getItemCategories(string sql)
{
ItemCategoryCollection retobjs = new ItemCategoryCollection();
SqlDataReader sdr = null;
m_db.RunSql(sql, out sdr);
if (null == sdr)
{
return(null);
}
while (sdr.Read())
{
retobjs.Add(this._buildItemCategory(ref sdr));
}
sdr.Close();
return(retobjs);
}
public void DeleteItem(ItemCategoryViewModel itemView)
{
ItemCategoryCollection.Remove(itemView);
}
