ComponentOne True DataControl 8.0
Field Object All Members

Field Object Properties

CalcConditionExpression

Condition determining whether the field’s calculated expression should be evaluated.

CalculatedExpression

Specifies the expression used to calculate field values.

Constraints

Returns the collection of field constraints.

DataSourceField

Sets/returns database field name for a field.

DataSourceReadOnly

Returns whether a data field is read-only in the underlying database.

DataSourceRequired

Returns whether a data field is mandatory (can't be left empty) in the underlying database.

DataSourceType

Returns the original data type of a data field in the underlying database.

DefaultExpression

Specifies the expression used to calculate default field values on adding a new row.

DisplayName

Returns/sets the user-friendly name of a field in the Find dialog.

Exists

Returns whether a field's DataSourceField exists in the database.

FieldKind

Sets/returns the field kind (data, calculated or linked).

LinkedControl

Specifies the linked control to whose field the field is linked.

LinkedField

Specifies the field within a linked control to which this field is linked.

MaxLength

Sets/returns the maximum length of data accepted by a field.

ModificationMode

Specifies the control's behavior on end-user changes made to a control bound to the field.

Name

Sets/returns field name.

QueryMode

Specifies whether a field appears in query mode, datasource mode or both.

QueryOperation

Specifies a comparison operation applied to a field in query mode.

RangeConditions

Returns the collection of range conditions for a field.

ReadOnly

Sets/returns whether a field can be modified.

Required

Sets/returns whether a field is mandatory, should not be left empty on data modification.

Searchable

Specifies whether the field appears in the Find dialog.

Type

Sets/returns field data type.

Value

Sets/returns field value.

Visible

Sets/returns whether a field is exposed to data consumers.

XTabColDef

For a crosstab column (field instance), returns the name of the design-time field from which it was generated.

XTabColumns

For crosstab fields, list of key values and column names defining columns (fields) generated by the crosstab field.

 

 


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