Description

DbNetCombo is an AJAX enabled ASP.NET combo control that makes it easy to add high performance database driven combo boxes to your web application. DbNetCombo has the following key features:

• Easy to implement on an web page as either a client-side JavaScript object or a server-side server control
• High performance. Loads 5,000 items in less than 0.5 seconds
• Combos can be linked together to create a drill-down capability

Syntax Example

<form id="Form1" name="Form1" method="post" runat="server"> <table> <tr style='font-weight:bold'> <td>Customer</td> <td>Order Date</td> <td>Product (Qty)</td> </tr> <tr> <td style='vertical-align:top'> <DNL:DbNetCombo id="customers" runat="server" Sql="select customerid,companyname from customers order by companyname" ConnectionString="samples" > <LinkedCombos> <DNL:LinkedCombo ComboId="orders" ParameterName="customerid"></DNL:LinkedCombo> </LinkedCombos> </DNL:DbNetCombo> </td> <td style='vertical-align:top'> <DNL:DbNetCombo id="orders" runat="server" Sql="select orderid,orderdate from orders where customerid = @customerid" DateFormat="D" ConnectionString="samples" > <LinkedCombos> <DNL:LinkedCombo ComboId="products" ParameterName="orderid"></DNL:LinkedCombo> </LinkedCombos> </DNL:DbNetCombo> </td> <td> <DNL:DbNetCombo id="products" runat="server" Sql="select '', productname & ' (' & quantity & ')' from products, [order details] where products.productid = [order details].productid and orderid = @orderid" ConnectionString="samples" Size=5 > </DNL:DbNetCombo> </td> </tr> </table> </form>

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