如何从数据集中在后台工作人员中加载 dataGridView？

Question

我的表单中有一个 datagridview，它需要时间从数据库加载。我需要在 backGroundWorker 线程中实现这个过程。但我对此一无所知。
我用谷歌搜索，但找不到数据集或 tableAdapter 方法的解决方案。

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这是我的代码：

private void frmNewExpense_Load(object sender, EventArgs e)
{
     LoadForm();
     fillDataGrid();
}

private void LoadForm()
{     
      this.tbl_AccountsTableAdapter.Fill(this.personalExpensesDataSet.tbl_Accounts);
      this.tbl_ExpSubCatsTableAdapter.Fill(this.personalExpensesDataSet.tbl_ExpSubCats);
      this.tbl_ExpenseCategoryTableAdapter.Fill(this.personalExpensesDataSet.tbl_ExpenseCategory);

      lblAccountAmount.Text = new oldSeparateThounsands().separate(lblAccountAmount.Text);

      oldGetPersianDate gpd = new oldGetPersianDate();
      gpd.dt = DateTime.Now;
      txtDate.Text = gpd.fn_persianDate();

      txtDesc.Text = txtAmount.Text = String.Empty;
}

private void fillDataGrid()
{
      this.view_Top100ExpensesTableAdapter.Fill(this.personalExpensesDataSet.View_Top100Expenses);
}

Answer 1

您可以在pageload事件类中创建backgroundworker，如下所示

m_oWorker = new BackgroundWorker(); m_oWorker.DoWork += new DoWorkEventHandler(m_oWorker_DoWork); m_oWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler (m_oWorker_RunWorkerCompleted); m_oWorker.WorkerSupportsCancellation = true;

m_oWorker_DoWork 是您将使用适配器和数据集/数据表来填充和数据绑定网格的方法（该方法将调用您的LoadForm();）。完成后，backgroundworker 将调用m_oWorker_RunWorkerCompleted，您将调用您的方法filldatagrid() 将数据绑定到网格