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sqlconnection - Difference between Sql Connection and OLEDB Connection

What is the difference between the SQL Connection and OLEDB Connection? Is that OLEDB is common to all (also SQL ... Servers, OLEDB is using? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sqlconnection - in c# global connection to be used in all classes

I've a connection string saved to Properties.Settings.Default, i need to use an sql connection in all classes ... how should it be declared? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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