fill a datagrid with a datatable

i am fairly new to .net and need to know hot to call the function below and fill a datagrid with it. any help?
      Friend Function GetPermitList() As System.Data.DataTable
            Dim cn As SqlConnection = Me.CreateConnection()
            Dim cmd As New SqlCommand("spPermit", cn)
            Dim dt As New DataTable

            With cmd
                  .CommandType = CommandType.StoredProcedure
                  .Parameters.Add("@PermitId", SqlDbType.Int).Value = 0
                  .Parameters.Add("@Mode", SqlDbType.VarChar).Value = "SELECT"
            End With

            cn.Open()
            Dim da As New SqlDataAdapter(cmd)
            da.Fill(dt)
            cn.Close()

            Return dt
      End Function