The PresenceValidationRule type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
| PresenceValidationRule |
Methods
| Name | Description | |
|---|---|---|
| Validate |
Perform the validation logic associated with this rule.
(Overrides ValidationRule..::.Validate(ValidationContext).) |
Properties
| Name | Description | |
|---|---|---|
| AllowEmptyString |
Gets or sets whether the empty string is treated as present.
The default value is false, i.e. the empty string is treated as
not present and will cause a validation failure.
| |
| DefaultMessage |
Returns the default error message format string.
(Overrides ValidationRule..::.DefaultMessage.) | |
| Message |
Allows a custom error message format string to be specified.
Use {0} as a placeholder for the name of the attribute being validated.
(Inherited from ValidationRule.) |