Dim customersRow As NorthwindDataSet.CustomersRow
customersRow = NorthwindDataSet1.Customers.FindByCustomerID("ALFKI")

NorthwindDataSet.CustomersRow customersRow = 
    northwindDataSet1.Customers.FindByCustomerID("ALFKI");

NorthwindDataSet.CustomersRow customersRow = 
    northwindDataSet1.get_Customers().FindByCustomerID("ALFKI");

Dim s As String = "primaryKeyValue"
Dim foundRow As DataRow = DataSet1.Tables("AnyTable").Rows.Find(s)

If foundRow IsNot Nothing Then
    MsgBox(foundRow(1).ToString())
Else
    MsgBox("A row with the primary key of " & s & " could not be found")
End If

string s = "primaryKeyValue";
DataRow foundRow = dataSet1.Tables["AnyTable"].Rows.Find(s);

if (foundRow != null) 
{
    MessageBox.Show(foundRow[1].ToString());
}
else
{
    MessageBox.Show("A row with the primary key of " + s + " could not be found");
}

String s = "primaryKeyValue";
DataRow foundRow = dataSet1.get_Tables().get_Item("AnyTable").get_Rows().Find(s);

if (foundRow != null)
{
    MessageBox.Show(foundRow.get_Item(1).toString());
}
else
{
    MessageBox.Show("A row with he primary key of " + s + " could not be found.");
}

Dim foundRows() As Data.DataRow
foundRows = DataSet1.Tables("Customers").Select("CompanyName Like 'A%'")

DataRow[] foundRows;
foundRows = dataSet1.Tables["Customers"].Select("CompanyName Like 'A%'");

DataRow[] foundRows;
foundRows = dataSet1.get_Tables().get_Item("Customers").Select("CompanyName Like 'A%'");