摘要:
public class DBHelper { SqlConnection conn = null; public DBHelper() { string str = ConfigurationManager.ConnectionStrings["sql"].ConnectionString; c... 阅读全文
摘要:
引用jquery文件: 调用js: function check(){ if (document.getElementById_x("username").value=="") { alert("请输入用户名") document.getElementById_x("username").focu... 阅读全文