I have the following code attached to the click event of a button.  It fails
on the line "da.Fill (ds, "Results")  The error is below the code.  Any
suggestions would be greatly appreciated.  Thanks.

Dim cmd As SqlCommand = SqlConnection1.CreateCommand
       cmd.CommandType = CommandType.Text
       cmd.CommandText = txtQuery.Text
       Dim da As SqlDataAdapter = New SqlDataAdapter
       da.SelectCommand = cmd
       Dim ds As DataSet = New DataSet
       da.Fill(ds, "Results")
       dgResults.DataSource = ds
       dgResults.DataMember = "Results"

An unhandled exception of type 'System.Data.SqlClient.SqlException' occurred
in system.data.dll

Additional information: System error.