private void btnSubmit_Click(object sender, EventArgs e)
{
string name = tbName.Text.Trim();
if (name.Length == 0)
{
return;
}
Learning learner = new Learning(name);
if (learner.ifExists())
{
ShowResult.show(lblResult, "已存在！", false);
timerClsResult.Start();
tbName.Clear();
return;
}
learner.add();
ShowResult.show(lblResult, "已添加！", true);
timerClsResult.Start();
refreshDgv();
tbName.Clear();
}