#DEVEXPRESS XPO HOW TO#

You can define parameters and use them in Properties, Filter, Sorting and GroupFilter expressions. The XPObjectSource does not process the zero value. Indicates whether to retrieve data for this property from the server. Indicates whether to use this property to group data that XPO retrieves from the server. The expression is calculated on the server. The entity's persistent property or an expression that you can construct using several properties. The name that you use to access the property in the report.

You can specify the following options for the newly added properties: This invokes the Properties Collection Editor. You can use the XPObjectSource component's Properties property to customize the properties set.Д¬lick the Properties property's ellipsis button. XPO loads all the persistent properties that the specified entity type exposes. You can bind report elements to these fields. It displays the fields that correspond to the the newly specified type. Use the EntityType property to specify another persistent object class. to invoke the wizard and reconfigure the connection string. You can also right-click the XPObjectSource component in the Report Explorer and choose Configure Connection. These properties are available in the Property Grid. Use the ConnectionStringName property to change the connection string name only or the ConnectionString property to reconfigure a connection string. Group/filter combinations and complex expressions support depends on the data source. These settings allow you to specify which data to retrieve from the data source. To do this, select this component in the Report Explorer and switch to the Property grid. You can customize the created XPObjectSource component's settings. You can customize the field list and set up the component's settings after you finish the wizard. The Field List reflects the data source structure. This component retrieves all the properties the chosen entity type includes. At this step, the wizard creates an XPObjectSource component. Specify provider-specific connection options (for example, the authentication type and database name).ДЇinish the wizard.

To create a new data connection, select a data provider or define a custom connection string. On the next page, specify whether to use an existing data connection or create a new data connection. The following wizard page lists your application project's persistent object classes. In the invoked action list, expand the drop-down menu for the Data Source property and click Add New DataSource. Create XPObjectSourceД¬lick the report's smart tag.

#DEVEXPRESS XPO HOW TO#

This topic describes how to bind a report to XPO data at design time. Bind a Report to an XPO Persistent Object

Devexpress xpo