# EmailValidationRule

Namespace: **Wisej.Web**

Assembly: **Wisej.Framework** (4.0.0.0)

* [ValidationRule](/api/wisej.web/extenders/validation/wisej.web.validationrule.md)
  * [EmailValidationRule](/api/wisej.web/extenders/validation/wisej.web.emailvalidationrule.md)

Validates email addresses.

{% tabs %}
{% tab title="C#" %}

```csharp
public class EmailValidationRule : ValidationRule
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Class EmailValidationRule
    Inherits ValidationRule
```

{% endtab %}
{% endtabs %}

## Constructors

### ![](/files/hsR4ok3152WyAf8J2C1u) EmailValidationRule()

Initializes a new instance of [EmailValidationRule](/api/wisej.web/extenders/validation/wisej.web.emailvalidationrule.md).

## Properties

### ![](/files/hsR4ok3152WyAf8J2C1u) InvalidDomains

[String\[\]](https://docs.microsoft.com/dotnet/api/system.string): Returns or sets a list of invalid domains: i.e. "dropmail.com", "protonmail.com". (Default: `null`)

### ![](/files/hsR4ok3152WyAf8J2C1u) Name

[String](https://docs.microsoft.com/dotnet/api/system.string): Returns or sets the name of the validation rule. (Default: `"Email"`)

### ![](/files/hsR4ok3152WyAf8J2C1u) Required

[Boolean](https://docs.microsoft.com/dotnet/api/system.boolean): Returns or sets whether the control can be empty or its required to have a value. (Default: `False`)

### ![](/files/hsR4ok3152WyAf8J2C1u) ValidDomains

[String\[\]](https://docs.microsoft.com/dotnet/api/system.string): Returns or sets a list of valid domains: i.e. "mycompany.com", "gmail.com", "hotmail.com". (Default: `null`)

## Methods

### ![](/files/hsR4ok3152WyAf8J2C1u) OnValidating(control)

Validates the *control* using the validation rule.

| Parameter   | Type                                         | Description |
| ----------- | -------------------------------------------- | ----------- |
| **control** | [Control](/api/wisej.web/general/control.md) |             |

**Returns:** [Boolean](https://docs.microsoft.com/dotnet/api/system.boolean). true if the validation is successful; otherwise false.


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