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RangeAttribute Constructor (Type, String, String)

Initializes a new instance of the RangeAttribute class by using the specified minimum and maximum values and the specific type.

Namespace:  System.ComponentModel.DataAnnotations
Assembly:  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)

public RangeAttribute(
	Type type,
	string minimum,
	string maximum


Type: System.Type
Specifies the type of the object to test.
Type: System.String
Specifies the minimum value allowed for the data field value.
Type: System.String
Specifies the maximum value allowed for the data field value.


type is null.

The object to validate must implement the IComparable interface.

The following example shows how to use the RangeAttribute method to specify the range for a DateTime field. It also includes a custom error message that shows how to use the formatting capabilities of the FormatErrorMessage method.

[Range(10, 1000, 
    ErrorMessage = "Value for {0} must be between {1} and {2}.")]
public object Weight;

.NET Framework

Supported in: 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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