Cannot find column price. at System.Data.DataTable.ParseSortString(String sortString) at System.Data.Select..ctor(DataTable table, String filterExpression, String sort, DataViewRowState recordStates) at System.Data.DataTable.Select(String filterExpression, String sort) at thunder.apps.ticc.dal.Inventory.getAllInventoryUnderCategoryDT(String categoryid, Boolean frontend) at thunder.apps.ticc.bll.InventoryBLL.getAllDT2(String categoryid, Boolean nested, Boolean frontend) at sales_view_all.displayEquipment() in C:\inetpub\sites\TransportServices\transportservices.com\sales\view-all.aspx.vb:line 139 REEFER : 28-FOOT-REFRIGERATED-TRAILERS