private void PreviewImage()
{
if (listView1.SelectedItems.Count <= 0)
{
MessageBox.Show("请选择需要查看的历次检查。", "提示");
return;
}
ListViewItem lvi = listView1.SelectedItems[0];
ApplyData applyData = lvi.Tag as ApplyData;
FuncHelper.ShowImgPreview(_dbQuery, applyData.申请ID, this);
}