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DisplayFormatAttribute.ApplyFormatInEditMode Property

Gets or sets a value that indicates whether the formatting string that is specified by the DataFormatString property is applied to the field value when the data field is in edit mode.

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

public bool ApplyFormatInEditMode { get; set; }

Property Value

Type: System.Boolean
true if the formatting string applies to the field value in edit mode; otherwise, false. The default is false.

By default, the formatting string that is specified by the DataFormatString property is applied to field values only when the data-bound control is in read-only mode.

The following example shows how to use the ApplyFormatInEditMode property to set the display format for date information when the data field is in edit mode. The data field format to use for the data field is specified by setting the DataFormatString property.


// Display date data field in the short format 11/12/08.
// Also, apply format in edit mode.
[DisplayFormat(ApplyFormatInEditMode=true, DataFormatString = "{0:d}")]
public object SellStartDate;


.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.

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