public DataTable SetCategoryCache()
{
DataTable dt = null;
AppCache.Remove("CATEGORYCACHE");
string sSql = string.Format("select * from K_Category where IsDel=0");
dt = InfoHelper.ExecuteSQL(sSql);
if (dt != null && dt.Rows.Count > 0)
{
AppCache.Add("CATEGORYCACHE", dt);
}
return(dt);
}