DataGridColumnStyle.NullText 属性

定义

获取或设置在列包含 null 时所显示的文本。Gets or sets the text that is displayed when the column contains null.

public:
 virtual property System::String ^ NullText { System::String ^ get(); void set(System::String ^ value); };
public virtual string NullText { get; set; }
member this.NullText : string with get, set
Public Overridable Property NullText As String

属性值

String

在包含 Value 的列中显示的字符串。A string displayed in a column containing a Value.

示例

下面的代码示例将 NullText 属性设置为一个新字符串。The following code example sets the NullText property to a new string.

private:
   void SetNullText()
   {
      DataGridColumnStyle^ myGridColumn;
      myGridColumn = dataGrid1->TableStyles[ 0 ]->GridColumnStyles[ 0 ];
      myGridColumn->NullText = "Null Text";
   }

private void SetNullText()
{
    DataGridColumnStyle myGridColumn;
    myGridColumn = dataGrid1.TableStyles[0].GridColumnStyles[0];
    myGridColumn.NullText = "Null Text";
}
 
Private Sub SetNullText()
    Dim myGridColumn As DataGridColumnStyle
    myGridColumn = dataGrid1.TableStyles(0).GridColumnStyles(0)
    myGridColumn.NullText = "Null Text"
End Sub

注解

DataColumn类的 AllowDBNull 属性确定列是否可以包含 null 值。The DataColumn class's AllowDBNull property determines if a column can contain null values.

适用于

另请参阅