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Configuring the Lookup for a Data Set Field [AX 2012]

Updated: January 27, 2012

Applies To: Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 Feature Pack, Microsoft Dynamics AX 2012

The TitleField1 and TitleField2 properties from the underlying table are used as the default content for a lookup in Enterprise Portal. You can use the dataSetLookup() method in the field for the data source of the data set to configure the content of the lookup.

The following illustration shows the default lookup that is displayed for the Room field in the AddEditWorkOrder User Control. The lookup contains the two default fields that were specified for the TitleField1 and TitleField2 properties of the underlying FCMRooms table.

Original Lookup

The FCMWorkOrderAddEdit data set is used to access data for this User Control. The FCMWorkOrders table is the main data source for this data set. Expanding the list of fields for the FCMWorkOrders data source shows the RoomRecId field, which corresponds to the Room field that is displayed in the form.

You can add the dataSetLookup() method to the RoomRecId field to specify the fields that are displayed in the lookup for it. The following code example shows how this X++ method is used to add three fields to the Room lookup.

void dataSetLookup(SysDataSetLookup sysDataSetLookup)
{
    List list = new List(Types::String);
    Query query = new Query();

    // Add the table to the query.
    query.addDataSource(tableNum(FCMRooms)); 

    // Specify the fields to use for the lookup.
    list.addEnd(fieldStr(FCMRooms,RoomName));
    list.addEnd(fieldStr(FCMRooms,RoomType));
    list.addEnd(fieldStr(FCMRooms,InService));

    // Supply the set of lookup fields.
    sysDataSetLookup.parmLookupFields(list);
 
    // Specify the field that is returned from the lookup.
    sysDataSetLookup.parmSelectField('RoomName');

    // Pass the query to the SysDataSetLookup so that the query is used.
    sysDataSetLookup.parmQuery(query);
}

The following illustration shows the method that is added to the field for the data source that is part of the data set.

dataSetLookup Method

When the lookup for the Room field is displayed, the dataSetLookup() method configures the contents of the lookup to display the following values:

Overridden Lookup

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