IDataErrorInfo.Item[String] 属性

定义

获取具有给定名称的属性的错误信息。Gets the error message for the property with the given name.

public:
 property System::String ^ default[System::String ^] { System::String ^ get(System::String ^ columnName); };
public string this[string columnName] { get; }
member this.Item(string) : string
Default Public ReadOnly Property Item(columnName As String) As String

参数

columnName
String

要获取其错误信息的属性的名称。The name of the property whose error message to get.

属性值

String

该属性的错误信息。The error message for the property. 默认值为空字符串("")。The default is an empty string ("").

适用于