Metadata service

The metadata service allows external consumers to obtain information about the AOT objects within Microsoft Dynamics AX, such as tables, queries, forms, and so on. When we take a look at the operations available on the service, we can see the following two types of operations:

• Operations that return a list of object names, such as the GetQueryNames operation which returns a list of query names available in the system

• Operations that return metadata of one particular object to the consumer, such as the GetTableMetaData operation which takes a list of table names and returns all of the metadata information available for these tables

  Note

  You can find detailed class diagrams on MSDN describing the metadata classes at http://msdn.microsoft.com/en-us/library/gg845212.

Filling the combobox

Let's start by taking a look at the code that is executed when the form loads.

To fill the combobox, we need to use the GetQueryNames operation on the metadata service and filter the results to show...