You need to connect two Web Parts by using the IWebPartRow interface.

Which method should you use?

A.
DataItem

B.
GetFieldValue

C.
GetRowData

D.
GetTableData

Explanation:
MNEMONIC RULE: “iWebPartRow = GetRowData”

Returns the data for the row that is being used by the interface as the basis of a connection between two WebPart controls.

IWebPartRow.GetRowData Method
http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.webparts.iwebpartrow.getrowdata.aspx