ValidationErrorCollection Constructors

Reference

Definition

Namespace:: System.Workflow.ComponentModel.Compiler

Assembly:: System.Workflow.ComponentModel.dll

Important

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Initializes a new instance of the ValidationErrorCollection class.

Overloads

ValidationErrorCollection()	Initializes a new instance of the ValidationErrorCollection class.
ValidationErrorCollection(IEnumerable<ValidationError>)	Initializes a new instance of the ValidationErrorCollection class from an IEnumerable collection of type ValidationError.
ValidationErrorCollection(ValidationErrorCollection)	Initializes a new instance of the ValidationErrorCollection class by using a ValidationErrorCollection.

Remarks

The following example shows how to create and manipulate a validation error collection as part of a custom validation routine.

This code example is part of the Send Email SDK sample and is from the SendMailActivity.cs file. For more information, see Send Mail Activity.

public class SendEmailValidator : System.Workflow.ComponentModel.Compiler.ActivityValidator
{
    // Define private constants for the Validation Errors
    private const int InvalidToAddress = 1;
    private const int InvalidFromAddress = 2;
    private const int InvalidSMTPPort = 3;

    //customizing the default activity validation
    public override ValidationErrorCollection ValidateProperties(ValidationManager manager, object obj)
    {

        // Create a new collection for storing the validation errors
        ValidationErrorCollection validationErrors = base.ValidateProperties(manager, obj);

        SendEmailActivity activity = obj as SendEmailActivity;
        if (activity != null)
        {
            // Validate the Email and SMTP Properties
            this.ValidateEmailProperties(validationErrors, activity);
            this.ValidateSMTPProperties(validationErrors, activity);
        }
        return validationErrors;
    }

Public Class SendEmailValidator
    Inherits System.Workflow.ComponentModel.Compiler.ActivityValidator

    ' Define private constants for the Validation Errors 
    Private Const InvalidToAddress As Integer = 1
    Private Const InvalidFromAddress As Integer = 2
    Private Const InvalidSMTPPort As Integer = 3

    ' customizing the default activity validation
    Public Overrides Function ValidateProperties(ByVal manager As ValidationManager, ByVal obj As Object) As ValidationErrorCollection

        ' Create a new collection for storing the validation errors
        Dim validationErrors As New ValidationErrorCollection()

        Dim activity As SendEmailActivity = TryCast(obj, SendEmailActivity)

        If activity IsNot Nothing Then

            ' Validate the Email and SMTP Properties
            Me.ValidateEmailProperties(validationErrors, activity)
            Me.ValidateSMTPProperties(validationErrors, activity)

            ' Raise an exception if we have ValidationErrors
            If validationErrors.HasErrors Then

                Dim validationErrorsMessage As String = String.Empty

                For Each validationError As ValidationError In validationErrors
                    validationErrorsMessage += _
                        String.Format("Validation Error:  Number 0} - '1}' \n", _
                        validationError.ErrorNumber, validationError.ErrorText)
                Next

                ' Throw a new exception with the validation errors.
                Throw New InvalidOperationException(validationErrorsMessage)
            End If
        End If
        Return validationErrors
    End Function

ValidationErrorCollection()

Initializes a new instance of the ValidationErrorCollection class.

public:
 ValidationErrorCollection();

public ValidationErrorCollection ();

Public Sub New ()

Examples

The following example shows how to create and manipulate a validation error collection as part of a custom validation routine.

This code example is part of the Send Email SDK sample and is from the SendMailActivity.cs file. For more information, see Send Mail Activity.

public class SendEmailValidator : System.Workflow.ComponentModel.Compiler.ActivityValidator
{
    // Define private constants for the Validation Errors
    private const int InvalidToAddress = 1;
    private const int InvalidFromAddress = 2;
    private const int InvalidSMTPPort = 3;

    //customizing the default activity validation
    public override ValidationErrorCollection ValidateProperties(ValidationManager manager, object obj)
    {

        // Create a new collection for storing the validation errors
        ValidationErrorCollection validationErrors = base.ValidateProperties(manager, obj);

        SendEmailActivity activity = obj as SendEmailActivity;
        if (activity != null)
        {
            // Validate the Email and SMTP Properties
            this.ValidateEmailProperties(validationErrors, activity);
            this.ValidateSMTPProperties(validationErrors, activity);
        }
        return validationErrors;
    }

Public Class SendEmailValidator
    Inherits System.Workflow.ComponentModel.Compiler.ActivityValidator

    ' Define private constants for the Validation Errors 
    Private Const InvalidToAddress As Integer = 1
    Private Const InvalidFromAddress As Integer = 2
    Private Const InvalidSMTPPort As Integer = 3

    ' customizing the default activity validation
    Public Overrides Function ValidateProperties(ByVal manager As ValidationManager, ByVal obj As Object) As ValidationErrorCollection

        ' Create a new collection for storing the validation errors
        Dim validationErrors As New ValidationErrorCollection()

        Dim activity As SendEmailActivity = TryCast(obj, SendEmailActivity)

        If activity IsNot Nothing Then

            ' Validate the Email and SMTP Properties
            Me.ValidateEmailProperties(validationErrors, activity)
            Me.ValidateSMTPProperties(validationErrors, activity)

            ' Raise an exception if we have ValidationErrors
            If validationErrors.HasErrors Then

                Dim validationErrorsMessage As String = String.Empty

                For Each validationError As ValidationError In validationErrors
                    validationErrorsMessage += _
                        String.Format("Validation Error:  Number 0} - '1}' \n", _
                        validationError.ErrorNumber, validationError.ErrorText)
                Next

                ' Throw a new exception with the validation errors.
                Throw New InvalidOperationException(validationErrorsMessage)
            End If
        End If
        Return validationErrors
    End Function

Applies to

ValidationErrorCollection(IEnumerable<ValidationError>)

Initializes a new instance of the ValidationErrorCollection class from an IEnumerable collection of type ValidationError.

public:
 ValidationErrorCollection(System::Collections::Generic::IEnumerable<System::Workflow::ComponentModel::Compiler::ValidationError ^> ^ value);

public ValidationErrorCollection (System.Collections.Generic.IEnumerable<System.Workflow.ComponentModel.Compiler.ValidationError> value);

new System.Workflow.ComponentModel.Compiler.ValidationErrorCollection : seq<System.Workflow.ComponentModel.Compiler.ValidationError> -> System.Workflow.ComponentModel.Compiler.ValidationErrorCollection

Public Sub New (value As IEnumerable(Of ValidationError))

Parameters

value: IEnumerable<ValidationError>

The IEnumerable collection of type ValidationError.

Exceptions

ArgumentNullException

value is null.

Applies to

ValidationErrorCollection(ValidationErrorCollection)

Initializes a new instance of the ValidationErrorCollection class by using a ValidationErrorCollection.

public:
 ValidationErrorCollection(System::Workflow::ComponentModel::Compiler::ValidationErrorCollection ^ value);

public ValidationErrorCollection (System.Workflow.ComponentModel.Compiler.ValidationErrorCollection value);

new System.Workflow.ComponentModel.Compiler.ValidationErrorCollection : System.Workflow.ComponentModel.Compiler.ValidationErrorCollection -> System.Workflow.ComponentModel.Compiler.ValidationErrorCollection

Public Sub New (value As ValidationErrorCollection)

Parameters

value: ValidationErrorCollection

A ValidationErrorCollection that contains validation errors.

Examples

The following example shows how to create and manipulate a validation error collection as part of a custom validation routine.

This code example is part of the Send Email SDK sample and is from the SendMailActivity.cs file. For more information, see Send Mail Activity.

public class SendEmailValidator : System.Workflow.ComponentModel.Compiler.ActivityValidator
{
    // Define private constants for the Validation Errors
    private const int InvalidToAddress = 1;
    private const int InvalidFromAddress = 2;
    private const int InvalidSMTPPort = 3;

    //customizing the default activity validation
    public override ValidationErrorCollection ValidateProperties(ValidationManager manager, object obj)
    {

        // Create a new collection for storing the validation errors
        ValidationErrorCollection validationErrors = base.ValidateProperties(manager, obj);

        SendEmailActivity activity = obj as SendEmailActivity;
        if (activity != null)
        {
            // Validate the Email and SMTP Properties
            this.ValidateEmailProperties(validationErrors, activity);
            this.ValidateSMTPProperties(validationErrors, activity);
        }
        return validationErrors;
    }

Public Class SendEmailValidator
    Inherits System.Workflow.ComponentModel.Compiler.ActivityValidator

    ' Define private constants for the Validation Errors 
    Private Const InvalidToAddress As Integer = 1
    Private Const InvalidFromAddress As Integer = 2
    Private Const InvalidSMTPPort As Integer = 3

    ' customizing the default activity validation
    Public Overrides Function ValidateProperties(ByVal manager As ValidationManager, ByVal obj As Object) As ValidationErrorCollection

        ' Create a new collection for storing the validation errors
        Dim validationErrors As New ValidationErrorCollection()

        Dim activity As SendEmailActivity = TryCast(obj, SendEmailActivity)

        If activity IsNot Nothing Then

            ' Validate the Email and SMTP Properties
            Me.ValidateEmailProperties(validationErrors, activity)
            Me.ValidateSMTPProperties(validationErrors, activity)

            ' Raise an exception if we have ValidationErrors
            If validationErrors.HasErrors Then

                Dim validationErrorsMessage As String = String.Empty

                For Each validationError As ValidationError In validationErrors
                    validationErrorsMessage += _
                        String.Format("Validation Error:  Number 0} - '1}' \n", _
                        validationError.ErrorNumber, validationError.ErrorText)
                Next

                ' Throw a new exception with the validation errors.
                Throw New InvalidOperationException(validationErrorsMessage)
            End If
        End If
        Return validationErrors
    End Function

Applies to

Del via

ValidationErrorCollection Constructors

Definition

Overloads

Remarks

ValidationErrorCollection()

Examples

Applies to

ValidationErrorCollection(IEnumerable<ValidationError>)

Parameters

Exceptions

Applies to

ValidationErrorCollection(ValidationErrorCollection)

Parameters

Examples

Applies to

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