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The type or namespace name 'OleDb' does not exist in the namespace 'System.Data' (are you missing an assembly reference?)

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Error CS0234 The type or namespace name 'OleDb' does not exist in the namespace 'System.Data' (are you missing an assembly reference?)**

Error CS0234 The type or namespace name 'SqlBulkCopy' does not exist in the namespace 'System.Data.SqlClient' (are you missing an assembly reference?)**

when I use System.Data.OleDb.OleDbDataReader and System.Data.SqlClient.SqlBulkCopy but it works fine in visual studio 2013.

Can someone help ?

How do I use this these two references in Visual Studio 2015 ?

Please try to create a minimal reproducible example . Start with Visual Studio open with no solution. Step 2 should be creating a new project, but you need to tell us which template you're working with. – Damien_The_Unbeliever Feb 3, 2016 at 8:05 If you look at the MSDN documentation for those two classes, then you'll see that they are in


    System.Data.dll

. Make sure you have a reference to that dll in your project. – crashmstr Feb 3, 2016 at 8:12 Thank you for helping me, I am developing a single page web application on asp.net5, I added that reference but it is still giving me an error message. – A Mohlala Feb 3, 2016 at 13:54

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