DefaultValue Property
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You can use the DefaultValue property to specify a value that is automatically entered in a field when a new record is created. For example, in an Addresses table you can set the default value for the City field to New York. When users add a record to the table, they can either accept this value or enter the name of a different city.
Notes
The DefaultValue property doesn't apply to check box, option button, or toggle buttoncontrols when they are in an option group. It does apply to the option group itself.
The DefaultValue property applies to all table fields except those fields with the data type of AutoNumber or OLE Object.
Setting
The DefaultValue property specifies text or an expression that's automatically entered in a control or field when a new record is created. For example, if you set the DefaultValue property for a text box control to =Now(), the control displays the current date and time. The maximum length for a DefaultValue property setting is 255 characters.
For a control, you can set this property in the control's property sheet. For a field, you can set this property in table Design view (in the Field Properties section), in a macro, or by using Visual Basic.
In Visual Basic, use a string expression to set the value of this property. For example, the following sets the DefaultValue property for a text box control named PaymentMethod to "Cash":
Forms!frmInvoice!PaymentMethod.DefaultValue = """Cash"""
Note To set this property for a field by using Visual Basic, use the ADO or use the DAO property.
Remarks
The DefaultValue property is applied only when you add a new record. If you change the DefaultValue property, the change isn't automatically applied to existing records.
If you set the DefaultValue property for a form control that's bound to a field that also has a DefaultValue property setting defined in the table, the control setting overrides the table setting.
If you create a control by dragging a field from the field list, the field's DefaultValue property setting, as defined in the table, is applied to the control on the form although the control's DefaultValue property setting will remain blank.
One control can provide the default value for another control. For example, if you set the DefaultValue property for a control to the following expression, the control's default value is set to the DefaultValue property setting for the txtShipTo control.
=Forms!frmInvoice!txtShipTo
If the controls are on the same form, the control that's the source of the default value must appear earlier in the tab order than the control containing the expression.