CamlQuery.ViewXml Property
SharePoint 2010
Gets or sets value that specifies the XML schema that defines the list view.
Assemblies: Microsoft.SharePoint.Client (in Microsoft.SharePoint.Client.dll); Microsoft.SharePoint.Client.Silverlight (in Microsoft.SharePoint.Client.Silverlight.dll)
It must be null, empty, or an XML fragment that conforms to the ViewDefinition type.
The FieldDefinitions type contains a collection of zero or more fields.
Schema
Xs:complexType name = “FieldDefinitions”
Xs:sequence
Xs:element name = “Field” type = “FieldDefinition” minOccurs = “0” maxOccurs = “unbounded”/
/xs:sequence
/xs:complexType