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C# code:
DateTime dt = DateTime.fromOADate(40277.4927000525);
MessageBox.Show(dt.ToString());
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C# code:
SqlDataAdapter da = new SqlDataAdapter("select [ID],cast([Time] as datetime) from DatapointValue2", con);
//×¢:40277.4927000525¾ÍÊÇTimeÁÐijһÐÐÖеÄÖµ
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SQL code:
select * from export where Æ·ÅÆ is not nu ......
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http://wz.cnblogs.com/question/7030/
SQL code:
use testdb
go
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exec sp_addlogin ......