This method builds a SiteMap tree of the SiteMapNode objects by loading site map data from the Oracle database.

Declaration

// C#
Public override SiteMapNode BuildSiteMap();

Return Value

The root SiteMapNode of the site map navigation structure.

Exceptions

InvalidOperationException - The OracleSiteMapProvider instance is not initialized.

ProviderException - One of the following conditions exists:

• Root node is not found.

• Multiple root nodes are found.

• Parent node is not found for any node.

ConfigurationErrorsException - One of the following conditions exists:

• The roles of the SiteMapNode contain characters that are not valid.

• A URL is parsed for a SiteMapNode that is not unique.

• A SiteMapNode object was encountered with a duplicate value for Key.

• An error occurred while parsing the URL of a SiteMapNode.

Remarks

This method fetches site map data from the database and builds a tree of site map nodes in memory. The OracleSiteMapProvider object could choose to subscribe to database change notifications to get notified about the changes in the site map data in the database. This method is thread-safe.