Name 

Description 

 

Alignment 

Determines how the field's data is displayed within a data-aware control. 

 

AutoGenerateValue 

Indicates whether the field values can be generated by the server rather than entered by the user. 

 

BlobType 

Identifies the type of the BLOB field associated with a BLOB field object. 

 

ConstraintErrorMessage 

Specifies a customized error message that appears when the user tries to set a value that violates the data constraints of the field. 

 

CustomConstraint 

Specifies an SQL string the enforces any application-specific constraints on the field's value. 

 

DefaultExpression 

Specifies an SQL expression that is assigned to the field if the user does not provide a value. 

 

DisplayLabel 

Contains the text to display in the corresponding column heading of a data grid. 

 

DisplayWidth 

Specifies the number of characters that should be used to display a field's value by a cooperating data-aware control. 

 

FieldKind 

Indicates whether a field represents a column in a dataset, a calculated field, or a lookup field. 

 

FieldName 

Indicates the name of the physical column in the underlying table or query result to which a field component is bound. 

 

GraphicHeader 

Indicates whether the field's value includes a Paradox graphic BLOB header. 

 

HasConstraints 

Indicates whether field values are constrained. 

 

ImportedConstraint 

Represents an SQL clause that enforces constraints stored on the server. 

 

Index 

Specifies the field component's index in the Fields property of the dataset. 

 

KeyFields 

Identifies the field or fields in the dataset that must be matched in a lookup dataset when doing a lookup. 

 

LookupCache 

Determines whether the values of a lookup field are cached or looked up dynamically every time the current record in the dataset changes. 

 

LookupDataSet 

Identifies the dataset used to look up field values. 

 

LookupKeyFields 

Identifies the field or fields in the lookup dataset to match when doing a lookup. 

 

LookupResultField 

Identifies the field from the lookup dataset whose value becomes the Value property of the field component. 

 

Name 

Specifies the name of the component as referenced in code. 

 

Origin 

Indicates the name of the field in its original database table. 

 

ProviderFlags 

Specifies how a provider uses the field value when applying updates. 

 

ReadOnly 

Determines whether the field can be modified. 

 

Required 

Specifies whether a nonblank value for a field is required. 

 

Size 

Indicates the size used in the definition of the physical database field for data types that support different sizes. 

 

Tag 

Stores an integer value as part of a component. 

 

Visible 

Determines whether the field appears in a data grid.