Try logging in with an invalid user name or password, and notice that an appropriate default error message appears.
尝试输入非法的用户名和密码，你会看到默认的错误信息。
Automatically changes invalid file name characters to underscores or Spaces if the user enters such characters.
自动更改文件名无效字符为下划线或空格如果用户输入等字符。
When a user sends an empty file or enters an invalid file name, the diamond operator returns the uninitialized defined value, causing a crash of the.
当用户发送一个空文件或键入无效的文件名时，菱形操作符返回未初始化定义的值，使。
The main problem is when I have input a valid user name and an invalid password, it can also let me in.
主要的问题是当我输入一个有效的用户名和密码无效，也让我在。
If existing queries, views, user-defined functions, stored procedures, or programs refer to that table, the name modification will make these objects invalid.
如果现有查询、视图、用户定义的函数、存储过程或程序引用该表，则名称的修改将使这些对象无效。
If existing queries, views, user-defined functions, stored procedures, or programs refer to that table, the name modification will make these objects invalid.
如果现有查询、视图、用户定义的函数、存储过程或程序引用该表，则名称的修改将使这些对象无效。
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