it's Error On '" & Tx_VenderStr.Text & "' ,'" &Tx_VenderEnd.Text & "','" & DateTmp_Str.Value.ToString("yyyyMMdd") & "' and '" & DateTmp_End.Value.ToString("yyyyMMdd") & "')"/>
<add key="SelectString" value="select orders.orderId,orders.custId,orders.deliverycity,o rders.staus,order_detail.productid,order_detail.pr iceunit,order_detail.productid,order_detail.priceu nit FROM orders INNER JOIN order_detail ON orders.ORDERID = order_detail.ORDERID where (orders.orderid between '" & Tx_VenderStr.Text & "' and '" & Tx_VenderEnd.Text & "')and (orders.orderdate between '" & DateTmp_Str.Value.ToString("yyyyMMdd") & "' and '" & DateTmp_End.Value.ToString("yyyyMMdd") & "')"/>