循环窗体选择 测试数据库数据是否正确

private void button1_Click_1(object sender, EventArgs e)
{
for (int x = 0; x < 36; x++)
{
DI = DI + 100;
for (int i = 0; i < cbType.Items.Count; i++)
{
cbType.SelectedIndex = i;
for (int j = 0; j < TopPlateList.Count; j++)
{
cbbHasCover.Enabled = true;
cbbHasCover.Checked = TopPlateList[j];
for (int k = 0; k < cbNum.Items.Count; k++)
{
cbNum.SelectedIndex = k;
draw();
}
}
}
}