C# Access Update 注意事项
private const string ACCESS_UPDATE_ADMIN_PASSWORD = "UPDATE [Admins] SET admin_pass=@adminPass WHERE admin_name=@adminName";
dbInstance.SetParameters("@adminPass", _adminDObj.Admin_Password);
dbInstance.SetParameters("@adminName", _adminDObj.Admin_Name);
参数的顺序必须和SQL的顺序一直,否则无法更新。如上面这2行颠倒了,则会无法更新
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第一种方法:
<?php
class Access{
function getConn(){
$conn = @new COM("ADODB.Connection") or die ("ADO连接失败!");
$connstr = "DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=" . realpath(__IMP ......
世事洞明皆学问,人情练达即文章。做ASP时,最常用的数据库即Sqlserver与Access数据库莫属了!
但使用会经常发现很多SQL执行的问题。这里整理出之间的差异,做个十大差异的总结。
ACCESS结构简单容易处理,而且也能满足多数的网站程序要求,也是初学者的试牛刀。
ACCESS是小型数据库,既然是小型就有他根本的局限性:
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Take Equity Collection System as an example, Some other office collegues want to access it from home without VPN, The way to check is:
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