如何使用BackGroundWorker刷新DataGridView

BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += new DoWorkEventHandler(worker_DoWork);
worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(worker_RunWorkerCompleted);

private void worker_DoWork(object sender, DoWorkEventArgs e)
{
    // 模拟获取数据的耗时操作
    Thread.Sleep(2000);

    // 获取需要更新的数据
    List<YourDataModel> data = GetDataFromDatabase();

    // 将数据传递给RunWorkerCompleted事件处理程序
    e.Result = data;
}

private void worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
    if (e.Error != null)
    {
        // 处理错误情况
    }
    else if (e.Cancelled)
    {
        // 处理取消情况
    }
    else
    {
        // 更新DataGridView的数据源
        List<YourDataModel> data = (List<YourDataModel>)e.Result;
        dataGridView.DataSource = data;
        dataGridView.Refresh();
    }
}

private void refreshButton_Click(object sender, EventArgs e)
{
    worker.RunWorkerAsync();
}