| Name | Description | |
|---|---|---|
 | AllowDbNull | Gets or sets a value indicating whether null or empty string values are allowed in this field. |
| AutoIncrement | Gets or sets a value indicating whether the field automatically receives an incremented value for a new row added to the table. |
| AutoIncrementSeed | Gets or sets the starting value for a field with AutoIncrement value other than None. |
| AutoIncrementSequenceName | Gets or sets the name of a sequence or generator database object used for autoincrement on the server. |
| AutoIncrementStep | Gets or sets the increment for a field with AutoIncrement value other than None. |
| CalculationCondition | Gets or sets an optional Boolean expression defining applicability of a calculation. |
| CalculationExpression | Gets or sets the expression producing the result of a calculation. |
| CalculationFireEvent | Gets or sets a value indicating whether calculation triggers the same events as field modification by the user. |
| Calculations | Gets the collection of field calculations, C1.Data.FieldCalculationInfo objects. |
| ConstraintCondition | Gets or sets an optional Boolean expression defining applicability of a calculation. |
| ConstraintErrorDescription | Gets or sets the string used as the error description in the exception thrown when a constraint is not satisfied. |
| ConstraintExpression | Gets or sets the Boolean expression used to test a constraint. |
| Constraints | Gets the collection of field constraints, C1.Data.ConstraintInfo objects. |
| ConvertEmptyToNull | Gets or sets a value indicating whether empty strings are stored as DbNull values. |
| ConvertNullToEmpty | Gets or sets a value indicating whether DbNull values of a string field are returned as empty strings. |
| DefaultValue | Gets or sets the default value for the field when creating new rows. |
| Description | Gets or sets a description for the field. |
| EffectiveAllowDbNull | Gets the effective value of the AllowDbNull property at run time. |
| EffectiveReadOnly | Gets the effective value of the ReadOnly property at run time. |
| EffectiveReadOnlyUnlessNew | Gets the effective value of the ReadOnlyUnlessNew property at run time. |
| EffectiveUserReadOnly | Gets the effective value of the UserReadOnly property at run time. |
| HasDefaultValueOnServer | Gets or sets whether this field has a default value in the database. |
| MaxLength | Gets or sets the maximum length of a string field, in characters. |
| Name | Gets or sets the name of the field. |
| NativeDbType | Gets or sets the field data type as a native data type of the underlying database. |
| Precision | Gets or sets the maximum number of digits used to represent the field value. |
| PrimaryKey | Gets or sets a value indicating whether the field belongs to the table's primary key. |
| ReadOnly | Gets or sets a value indicating whether modifications to field values are allowed. |
| ReadOnlyUnlessNew | Gets or sets a value indicating whether modifications to field values are allowed only in newly added rows. |
| Scale | Gets or sets the number of decimal places to in the field value. |
| Type | Gets or sets the type of field data. |
| Unique | Gets or sets a value indicating whether the values of this field in each row must be unique. |
| UserReadOnly | Gets or sets a value indicating whether the user can change this field value using bound controls. |