07 2011 档案

WCF callback 运行出错,如何解决?

摘要：Server Error in '/' Application.Contract requires Duplex, but Binding 'BasicHttpBinding' doesn't support it or isn't configured properly to support it. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace 阅读全文

posted @ 2011-07-07 02:40 Jimson.Ma 阅读(1656) 评论(3) 推荐(0) 编辑

SQL 16进制数转化10进制

摘要：16进制数"0X00037FFE9994EE5E"转化为10进制是多少? 我们用SQL转化察看下: select CONVERT(bigint,cast(0X00037FFE9994EE5E as varbinary)) as converted或:select CONVERT(VARCHAR(50), CONVERT(bigint,0X00037FFE9994EE5E)) as converted看结果:那么如果在一个数据表中用nvarchar来存储该16进制数,又如何取出. 我们知道nvarchar取出应该是一个字符串,所以看我们怎么把字符串转换:SELECT CON 阅读全文

posted @ 2011-07-04 22:28 Jimson.Ma 阅读(5197) 评论(0) 推荐(0) 编辑

07 2011 档案

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