Disable Fields on Form Using Coresuite

Martin

Dear Experts,

   Am opening a form from the coresuite function button using the VBCODE.I have the snippet below to disable certain fields and grey them out when i open the form but they dont work. Please check below and help out.

  

    Combobox.GetFromUID(pVal.Form, "23_U_Cb").Enabled = False 'disable

    Combobox.GetFromUID(pVal.Form, "24_U_Cb").Enabled = False 'disable

    Combobox.GetFromUID(pVal.Form, "25_U_Cb").Enabled = False 'disable

    Combobox.GetFromUID(pVal.Form, "26_U_Cb").Enabled = False 'disable

    TextEdit.GetFromUID(pVal.Form, "27_U_E").Enabled = False 'disable

Your help is highly appreciated.