protected void Button1_Click(object sender, EventArgs e) { LanMenu lan = new LanMenu(); lan.lanName = TextBox1.Text; string sql = "select count(*) from lanMenu where lanName='" + lan.lanName + "'"; if (Class1.excuint(sql) == 0) { if (LanMenu.addLan(lan)) { Response.Write("<script>alert('创建成功')</script>"); } else { Response.Write("<script>alert('创建失败')</script>"); } } else { Response.Write("<script>alert('栏目名已存在')</script>"); } }