protected void btn_add_Click(object sender, EventArgs e)
{
AdminTableAdapter ta_admin = new AdminTableAdapter();
DataTable dt_user = ta_admin.GetAdminByName(txt_name.Text);
if (dt_user.Rows.Count != 0)
{
lab_tip.Text = "账户名已存在";
}
else
{
ta_admin.InsertAdmin(txt_name.Text, txt_psw.Text, 2);
lab_tip.Text = "添加成功";
}
}