Data.DB.TArrayField Properties
InheritedProtected
| Alignment | published | Determines how the data of the field is displayed within a data-aware control. | 
| AsAnsiString | public | Represents the field's value as an AnsiString. | 
| AsBCD | public | Represents the field's value as a TBcd value. | 
| AsBoolean | public | Represents the field's value as a boolean value. | 
| AsBytes | public | Represents the value of the field as an array of bytes. | 
| AsCurrency | public | Represents the field's value as a Currency value. | 
| AsDateTime | public | Represents the value of the field as a TDateTime value. | 
| AsExtended | public | Represents the field's value as a high-precision floating-point number. | 
| AsFloat | public | Represents the field's value as a double value. | 
| AsGuid | public | Represents the value of the field as a Globally Unique Identifier (GUID). | 
| AsInteger | public | Represents the field's value as a 32-bit integer. | 
| AsLargeInt | public | Represents the field value as a large integer. | 
| AsLongWord | public | |
| AsSingle | public | Represents the field's value as a Single floating-point number. | 
| AsSQLTimeStamp | public | Represents the field's value as a TSQLTimeStamp. | 
| AsSQLTimeStampOffset | public | Represents the field's value as a highly accurate date-time value. | 
| AsString | public | Represents the field's value as a string (Delphi) or an AnsiString (C++). | 
| AsVariant | public | Represents the Value of the field as a Variant. | 
| AsWideString | public | Represents the field's value as a WideString. | 
| AttributeSet | public | Specifies the name of an attribute set in the data dictionary to apply to the field component. | 
| AutoGenerateValue | published | Indicates whether the field values can be generated by the server rather than entered by the user. | 
| Calculated | public | Determines whether the value of the field is calculated by the OnCalcFields event handler of its dataset. | 
| CanModify | public | Specifies whether a field can be modified. | 
| ComObject | public | Specifies the interface reference implemented by the component. | 
| ComponentCount | public | Indicates the number of components owned by the component. | 
| ComponentIndex | public | Indicates the position of the component in its owner's Components property array. | 
| Components | public | Lists all components owned by the component. | 
| ComponentState | public | Describes the current state of the component, indicating when a component needs to avoid certain actions. | 
| ComponentStyle | public | Governs the behavior of the component. | 
| ConstraintErrorMessage | published | Specifies a customized error message that appears when the user tries to set a value that violates the data constraints of the field. | 
| CurValue | public | Represents the current value of the field component including changes made by other users of the database. | 
| CustomConstraint | published | Specifies an SQL string the enforces any application-specific constraints on the field's value. | 
| DataSet | public | Identifies the dataset to which a field component belongs. | 
| DataSize | public | Indicates the amount of memory needed to store a field component's value. | 
| DataType | public | Identifies the data type of the field component. | 
| DefaultExpression | published | Specifies an SQL expression that is assigned to the field if the user does not provide a value. | 
| DesignInfo | public | Contains information used by the Form designer. | 
| DisplayLabel | published | Contains the text to display in the corresponding column heading of a data grid. | 
| DisplayName | public | Represents the name of the field for display purposes. | 
| DisplayText | public | Represents the field's value as it is displayed in a data-aware control. | 
| DisplayWidth | published | Specifies the number of characters that should be used to display a field's value by a cooperating data-aware control. | 
| Disposed | protected | Disposed is a read-only property that shows the current state of this object. | 
| EditMask | public | Contains a mask that restricts the data that can be entered into a data field. | 
| EditMaskPtr | public | Provides read-only access to the EditMask property. | 
| FieldCount | public | Indicates the number of child fields that comprise the object field. | 
| FieldKind | published | Indicates whether a field represents a column in a dataset, a calculated field, or a lookup field. | 
| FieldName | published | Indicates the name of the physical column in the underlying table or query result to which a field component is bound. | 
| FieldNo | public | Indicates the ordinal position of the field's column in the underlying table or query result. | 
| Fields | public | Specifies the TFields object that contains an array of child fields. | 
| FieldValues | public | Provides access to the values for all child fields in the object field. | 
| FullName | public | Indicates the field name qualified by the full name of the parent field, if any. | 
| HasConstraints | published | Indicates whether field values are constrained. | 
| ImportedConstraint | published | Represents an SQL clause that enforces constraints stored on the server. | 
| Index | published | Specifies the field component's index in the Fields property of the dataset. | 
| IsIndexField | public | Indicates whether a field is an index field. | 
| IsNull | public | Indicates whether the field has a value assigned to it. | 
| KeyFields | published | Identifies the field or fields in the dataset that must be matched in a lookup dataset when doing a lookup. | 
| LifeCycle | public | Specifies whether the field is automatic or persistent. | 
| Lookup | public | Determines whether the field is specified as a lookup field. | 
| LookupCache | published | Determines whether the values of a lookup field are cached or looked up dynamically every time the current record in the dataset changes. | 
| LookupDataSet | published | Identifies the dataset used to look up field values. | 
| LookupKeyFields | published | Identifies the field or fields in the lookup dataset to match when doing a lookup. | 
| LookupList | public | Indicates a cache of values from the LookupDataSet indexed by a set of values from the KeyFields property. | 
| LookupResultField | published | Identifies the field from the lookup dataset whose value becomes the Value property of the field component. | 
| Name | published | Specifies the name of the component as referenced in code. | 
| NewValue | public | Represents the current value of the field component including pending cached updates. | 
| ObjectType | published | Specifies the classification of the field object in Oracle. | 
| Observers | public | Indicates the TObservers object added to the TComponent. | 
| Offset | public | Indicates the number of bytes added to the end of the current record buffer in the dataset for storing cached values (for calculated fields or BLOB fields). | 
| OldValue | public | Represents the original value of the field (as a Variant). | 
| Origin | published | Indicates the name of the field in its original database table. | 
| Owner | public | Indicates the component that is responsible for streaming and freeing this component. | 
| ParentField | public | Specifies the TObjectField object from which this field is derived. | 
| ProviderFlags | published | Specifies how a provider uses the field value when applying updates. | 
| ReadOnly | published | Determines whether the field can be modified. | 
| Required | published | Specifies whether a nonblank value for a field is required. | 
| Size | public | Indicates the size used in the definition of the physical database field for data types that support different sizes. | 
| Tag | published | Stores a NativeInt integral value as a part of a component. | 
| Text | public | Contains the string to display in a data-aware control when the field is in edit mode. | 
| UnNamed | public | Indicates whether an object field in a nested table has a name associated with it. | 
| Validating | public | |
| ValidChars | public | Specifies the characters that can be included in the text representation of the field's value. | 
| Value | public | Represents the data in a field component. | 
| VCLComObject | public | Represents information used internally by components that support COM. | 
| Visible | published | Determines whether the field appears in a data grid. |