asp.net - AccessDataSource control reports unrecognizable database -


i running visual studio 2012 express web , on page added asp dropdown box. tried load source access 2007 database using asp:accessdatasource object. wizzard completed fine. when ran page in web, got error message telling me database in unrecognisable format. googled problem , found out visual studio not know use provider microsoft.ace.oledb.12.0 , need modify connection string.

since i'm not writing code page, , relying on vs's visual interface generate code, how find code modify it? or write own code , not rely on vs me?

you can use sample code on page here display connection string accessdatasource using. verify connection string includes

provider=microsoft.ace.oledb.12.0;

and path data source valid.

fwiw, tried recreate issue under visual web developer 2010 express access 2010 database , worked fine me. couldn't find evidence connection string accessdatasource "written down" anywhere, in web.config or elsewhere.


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