Using Object Mapper , Select the field and press Customize,

Check Use Custom Code and Create Descriptor,

Paste the code (Change only cust_firstname to FirstName) below in the custom code section;

I've got the error below.

"An error occurred while refreshing the data from field 'CustomerBase.FirstName' to property 'Text' on control 'TextEdit1.'  Are you missing FieldPropertyDescriptor for a custom property?"

 But this is not custom property. What is missing ?

<Browsable(False), _

BusinessFieldDisplayInEditor(), _

Description("cust_FirstName"), _

DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)> _

Public Property [FirstName]() As System.String

Get

Return CType(Me.CurrentRow.Item("cust_FirstName"), System.String)

End Get

Set(ByVal value As System.String)

Me.CurrentRow.Item("cust_FirstName") = value

End Set

I've