DataGrid.IsSelected(Int32) 方法

定義

命名空間:

System.Windows.Forms

組件:

System.Windows.Forms.dll

取得值，表示是否選取指定的資料列。

public:
 bool IsSelected(int row);

public bool IsSelected (int row);

member this.IsSelected : int -> bool

Public Function IsSelected (row As Integer) As Boolean

參數

row

Int32

您感興趣的資料列編號。

傳回

Boolean

如果資料列已選取則為 true，否則為 false。

範例

下列程式碼範例示範如何使用這個成員。

   // Check if the first row is selected.
private:
   void button8_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      if ( myDataGrid->IsSelected( 0 ) )
      {
         MessageBox::Show( "Row selected", "Message", MessageBoxButtons::OK, MessageBoxIcon::Exclamation );
      }
      else
      {
         MessageBox::Show( "Row not selected", "Message", MessageBoxButtons::OK, MessageBoxIcon::Exclamation );
      }
   }

   // Deselect the first row.
   void button11_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      myDataGrid->UnSelect( 0 );
   }

// Check if the first row is selected.
private void button8_Click(object sender, EventArgs e)
{         
   if(myDataGrid.IsSelected(0))
   {
      MessageBox.Show("Row selected",
         "Message",   MessageBoxButtons.OK,
         MessageBoxIcon.Exclamation);
   }
   else
   {
      MessageBox.Show("Row not selected",
         "Message",   MessageBoxButtons.OK,
         MessageBoxIcon.Exclamation);
   }         
}
// Deselect the first row.
private void button11_Click(object sender, EventArgs e)
{
   myDataGrid.UnSelect(0);
}

' Check if the first row is selected.
Private Sub button8_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button8.Click
    If myDataGrid.IsSelected(0) Then
        MessageBox.Show("Row selected", "Message", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
    Else
        MessageBox.Show("Row not selected", "Message", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
    End If
End Sub

' Deselect the first row.
Private Sub button11_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button11.Click
    myDataGrid.UnSelect(0)
End Sub

備註

使用這個方法搭配 Select 、 UnSelect 和 ResetSelection 方法來操作特定資料列的選取狀態。