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  • datagirdview每几秒刷新一次不同的数据显示

    int j = 1;

    private void timer1_Tick(object sender, EventArgs e)
    {
    timer1.Enabled = false;
    GetData(j);
    }

    private void Frm生产任务看板_Load(object sender, EventArgs e)
    {
    GetData(1);
    }
    private void GetData(int k)
    {
    string sql = string.Empty;
    if (k == 1)
    {
    sql = @"select*from table1
    ";
    label1.Text = "任务清单-已开始";
    j = 2;
    }
    else if (k == 2)
    {
    sql = @"select * from table2";
    label1.Text = "任务清单-计划中";
    j = 3;
    }
    else if (k == 3)
    {
    sql = @"select * from table3";
    label1.Text = "汇总信息-已开工";
    j = 4;
    }
    else
    {
    sql = @"select * from table3
    ";
    label1.Text = "汇总信息-计划中";
    j = 1;
    }
    DataTable dt = DB.GetDataTable(sql);
    dataGridView1.DataSource = dt.DefaultView;
    dataGridView1.Update();
    timer1.Enabled = true;

    //用两个变量和一个时间控件来定义一个循环的逻辑

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  • 原文地址:https://www.cnblogs.com/jasonch123/p/9208709.html
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