TdxBackendCustomParameter.AllowNull Property

Specifies if an empty field is treated as Null.

Declaration

property AllowNull: Boolean read; write; default False;

Property Value

Type	Default	Description
Boolean	False	False Default. An empty field is treated as Null. True An empty field is treated as an empty string.

Remarks

Set the AllowNull property to True to interpret empty fields as Null Variant.

Default Value

The AllowNull property’s default value is False.