MetaColumn.NullDisplayText 属性
定义
获取当字段值为 null 时,该字段显示的标题。Gets the caption that is displayed for a field when the field's value is null.
public:
property System::String ^ NullDisplayText { System::String ^ get(); };
public string NullDisplayText { get; }
member this.NullDisplayText : string
Public ReadOnly Property NullDisplayText As String
属性值
当字段值为 null 时,该字段显示的标题。The caption that is displayed for a field when the field's value is null.
实现
注解
NullDisplayText属性验证是否将 DisplayFormatAttribute 特性应用于数据字段并检索属性的值 DisplayFormatAttribute.NullDisplayText 。The NullDisplayText property verifies if a DisplayFormatAttribute attribute is applied to the data field and retrieves the value of the DisplayFormatAttribute.NullDisplayText property. 如果 DisplayFormatAttribute 找不到属性,则此属性将验证是否 DataTypeAttribute 应用了属性来检索格式设置信息。If a DisplayFormatAttribute attribute is not found, this property verifies if a DataTypeAttribute attribute is applied to retrieve formatting information.