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using System.Diagnostics.CodeAnalysis;
namespace System.ComponentModel.DataAnnotations {
/// <summary>
/// Allows overriding various display-related options for a given field. The options have the same meaning as in BoundField.
/// </summary>
[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = false)]
[SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes", Justification = "We want users to be able to extend this class")]
public class DisplayFormatAttribute : Attribute {
/// <summary>
/// Gets or sets the format string
/// </summary>
public string DataFormatString { get; set; }
/// <summary>
/// Gets or sets the string to display when the value is null
/// </summary>
public string NullDisplayText { get; set; }
/// <summary>
/// Gets or sets a value indicating whether empty strings should be set to null
/// </summary>
public bool ConvertEmptyStringToNull { get; set; }
/// <summary>
/// Gets or sets a value indicating whether the format string should be used in edit mode
/// </summary>
public bool ApplyFormatInEditMode { get; set; }
#if !SILVERLIGHT
/// <summary>
/// Gets or sets a value indicating whether the field should be html encoded
/// </summary>
public bool HtmlEncode { get; set; }
#endif
/// <summary>
/// Default constructor
/// </summary>
public DisplayFormatAttribute() {
this.ConvertEmptyStringToNull = true; // default to true to match behavior in related components
#if !SILVERLIGHT
this.HtmlEncode = true; // default to true to match behavior in related components
#endif
}
}
}
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