SPDataSource.SystemPropertyPrefix Field
Represents the system property prefix. This field is read-only.
Namespace: Microsoft.SharePoint.WebControls
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Syntax
Public Shared ReadOnly SystemPropertyPrefix As String
Dim value As String
value = SPDataSource.SystemPropertyPrefix
public static readonly string SystemPropertyPrefix
Remarks
The value of this field is "__sp". When a query requests data from the property of a system object, the property value is returned in a field that is named "__sp" plus the property name.