How can i use WHERE clause on bindgrid

Private Sub BindGrid()
    Dim cmd As New SqlCommand("SELECT  NAME, HOUSE, CLASS, STREAM, SEX, ADMNO, ACCOUNT, STATUS, STDTYPE,ACNOS,Rclass FROM Student")
    StudentGrid.DataSource = Me.ExecuteQuery(cmd, "SELECT")
    StudentGrid.DataBind()
    'Required for jQuery DataTables to work.
    StudentGrid.UseAccessibleHeader = True
    StudentGrid.HeaderRow.TableSection = TableRowSection.TableHeader
    ' System.Threading.Thread.Sleep(2000)
End Sub