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38 lines
1.4 KiB
38 lines
1.4 KiB
Imports System.ComponentModel.DataAnnotations
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Imports System.Web.Mvc
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Public Class MailValidAttribute
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Inherits ValidationAttribute
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Implements IClientValidatable
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Private Const strDefaultErrorMessage As String = "Ungültige Mail-Adresse"
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Public Sub New()
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MyBase.New(strDefaultErrorMessage)
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End Sub
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Protected Overrides Function IsValid(ByVal value As Object, context As ValidationContext) As ValidationResult
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Dim strMailAddress As String = CType(value, String)
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If Tools.IsValidMail(strMailAddress) = False Then
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Return New ValidationResult(FormatErrorMessage(context.DisplayName))
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End If
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Return ValidationResult.Success
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End Function
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Public Overrides Function FormatErrorMessage(name As String) As String
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Return String.Format(ErrorMessageString, name)
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End Function
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Public Function GetClientValidationRules(metadata As System.Web.Mvc.ModelMetadata,
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context As System.Web.Mvc.ControllerContext) As IEnumerable(Of ModelClientValidationRule) Implements IClientValidatable.GetClientValidationRules
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Dim rule As New ModelClientValidationRule() With {.ErrorMessage = FormatErrorMessage(metadata.GetDisplayName()),
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.ValidationType = "mailvalid"}
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Return New ModelClientValidationRule() {rule}
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End Function
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End Class
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