SPBuiltInFieldId.Created_x0020_By Field
Identifies a field that indicates the user who is associated with the creation of the specified SharePoint Foundation object.
Namespace: Microsoft.SharePoint
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Syntax
'Declaration
Public Shared ReadOnly Created_x0020_By As Guid
'Usage
Dim value As Guid
value = SPBuiltInFieldId.Created_x0020_By
public static readonly Guid Created_x0020_By