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

String

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.NullDisplayTextThe 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.

适用于

另请参阅