How can I find a DataRow in a DataSet by it's PrimaryKey value? This
would be similar to an SQL statement such as "SELECT * FROM MyTable
WHERE MyIndex = 2"...

In the following code I've tried to do this but "dataSet-

/* C++/CLI Code Sample (doesn't work) */

cli::array<System::Data::DataColumn ^> ^colarray =
    gcnew cli::array<System::Data::DataColumn ^>(1);
colarray[0] =
    dataSet->Tables["GpsData"]->Columns["Distance"];
dataSet->Tables["GpsData"]->PrimaryKey =
    colarray;

DataRow ^drow =
    dataSet->Tables["GpsData"]->Rows->Find(
            dataSet->Tables["CisData"]->Rows[i]["GpsIndexFK"]
    );

if(drow != nullptr)
    System::Windows::Forms::MessageBox::Show(
        safe_cast<Int32 ^>(drow["Index"])->ToString()
    );