Can DropDownList Data Value text be concatenated by several query results?

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Suppose I have the following two tables in SQL Server database:

Table_Order
- idOrder (int)
- OrderNumber (int)
- fk_Customer (int)

Table_Customer
- idCustomer (int)
- CustomerName (nchar)

There is a foreign key fk_Customer in Table_Order that points to the primary key idCustomer in Table_Customer, so that I can pull associated CustomerName for an order.

So, I have a DropDownList that shows Orders with following attributes bound to it:
- Data Value Field: idOrder
- Data Text Field: OrderNumber

In the DropDownList, is it possible to also show the associated CustomerName along with the OrderNumber, for example:

C#

DDL.DataTextField = OrderNumber + " (" + CustomerName + ");

Posted 14-Jun-14 1:21am

Member 8179886

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Peter Leow · Accepted Answer · 2014-06-14T01:38:00

Solution 1

first the select query:

select idorder, convert(varchar, ordernumber) + " (" + customername + ")" as orderno from order join customer on fk_customer = idcustomer

then the ddl:

Data Text Field: orderno

Posted 14-Jun-14 1:38am

Peter Leow

Comments

Nirav Prabtani 14-Jun-14 7:41am

my 5+

Peter Leow 14-Jun-14 8:27am

Thank you.

Debabrata_Das · Accepted Answer · 2014-06-14T01:43:00

Solution 2

Hello friend, to achieve that you have to create a field concatenating two columns as per your need at the SQL level as follows:

SQL

SELECT O.idOrder, O.OrderNumber + '(' + C.CustomerName + ')' AS Order_Customer
FROM TableCustomer C INNER JOIN TableOrder O ON C.idCustomer = O.fk_Customer

Then you can set DataTextField as shown below:

C#

DDL.DataTextField = "Order_Customer"

- DD

Posted 14-Jun-14 1:43am

Debabrata_Das

Comments

Member 8179886 14-Jun-14 7:45am

Thank you, this was exactly what I looked for :)

Debabrata_Das 14-Jun-14 7:51am

WC :)