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给错误下面Ÿ提到的，所以请纠正我对这个
消息137，级别15，状态2，行1 必须声明标量变量“@courseId”。
@"SELECT * FROM [tbl_students] WHERE [email protected] AND branch_id IN("[email protected]")
AND (@passoutYear is null OR passing_year>[email protected])
AND (@currentBacklog is null OR current_backlog<[email protected])
AND [email protected] AND (@eGap is null OR gapin_education<[email protected])
AND (@firstYrPercent is null OR first_year_percent>[email protected]
AND (@secondYrpercent is null OR second_year_percent>[email protected])
AND (@thirdYrPercent is null OR third_year_percent>[email protected])
AND (@finalYrpercent is null OR final_year_percent>[email protected])
AND (@currentDegreePercentage is null OR current_degree_percent>[email protected])
AND (@highSchoolPercentage is null OR highschool_percentage>[email protected])
AND (@higherSchoolPercentage is null OR ssc_percentage>[email protected])
AND (@graduationPercent is null OR graduation_percentage>[email protected])
AND (@diplomaPercentage is null OR diploma_percentage>[email protected])
AND (@noOfAtkt is null OR number_of_ATKT<[email protected])
AND (@date is null OR DOB>[email protected])"
请编辑您的[原来的问题（HTTP：/ /stackoverflow.com/questions/3499381/please-correct-me-with-the-sql-query）而不是创建一个新的。 – BoltClock 2010-08-17 05:39:15
@BoltClock：原始问题（3499381）似乎是由于在查询字符串开始之前省略了@符号而导致的错误 - 请参阅Helgi Hrafn Gunnarsson的回答，该回答被接受为正确。这个问题涉及SQL本身的错误;因此，我认为把它作为原始问题的重复来解决是错误的。我不知道该怎么做，但我建议重新打开这个问题。 – 2010-08-19 13:13:45
请你回答一些已经留给这个问题的答案。 – 2010-08-19 13:14:53