private void 题库列表ToolStripMenuItem_Click(object sender, EventArgs e)
{
FrmItemList frm = new FrmItemList();
frm.list = DataSource.list;
frm.Show();
}
private void btnDel_Click(object sender, EventArgs e)
{
using (var db = new LiteDatabase("Prob.db"))
{
var col = db.GetCollection <Problem>("Problem");
//是否删除成功，成功，重新刷新界面
bool isSuc = col.Delete(int.Parse(lblId.Text));
if (isSuc)
{
FrmItemList.method();
}
}
}
