IntegerValidator Class

Note: This class is new in the .NET Framework version 2.0.

Provides validation of an Int32.

Namespace: System.Configuration
Assembly: System.Configuration (in system.configuration.dll)

public class IntegerValidator : ConfigurationValidatorBase
public class IntegerValidator extends ConfigurationValidatorBase
public class IntegerValidator extends ConfigurationValidatorBase

The IntegerValidator is used to ensure an integer meets specific criteria. The criteria for validation is established when the IntegerValidator is instantiated. There are four constructor overloads for the IntegerValidator. The IntegerValidator constructor with one parameter verifies the minimum acceptable length of the integer being validated. The IntegerValidator constructor with two parameters ensures that the integer being verified adheres to both a minimum and a maximum length. The IntegerValidator constructor with three parameters checks both the minimum and maximum Int32 values, as well as whether the validation range is exclusive. The IntegerValidator constructor with four parameters checks the previous three parameters and also checks whether the Int32 is equal to a specific resolution.

The CanValidate method determines whether the object type being validated matches the expected type. The object being validated is passed as a parameter of the Validate method.

The following code example demonstrates how to use the IntegerValidator type.

using System;
using System.Configuration;

namespace Microsoft.Samples.AspNet.Validators
  class UsingIntergerValidator
    static void Main(string[] args)
      // Display title.
      Console.WriteLine("ASP.NET Validators");

      // Create Integer and Validator.
      int testInt = 5;
      int minIntVal = 1;
      int maxIntVal = 10;
      IntegerValidator myIntegerValidator = 
	new IntegerValidator(minIntVal, maxIntVal, false);

      // Determine if the object to validate can be validated.
      Console.WriteLine("CanValidate: {0",

        // Attempt validation.
      catch (ArgumentException e)
        // Validation failed.
        Console.WriteLine("Error: {0", e.Message.ToString());

      // Display and wait

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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