prod_con.ConnectionString = "Data Source=.\\SQLEXPRESS;Initial Catalog=proProduct;Integrated Security=True;User Instance=True";
i wrote it but give this message :
Cannot open database "proProduct" requested by the login. The login failed.
Login failed for user 'Eren-Bilgisayar\Eren'.
and also
my database connectionstring = Data Source=.\SQLEXPRESS;AttachDbFilename="C:\Users\Eren\Documents\Visual Studio 2008\Projects\proProduct\proProduct\App_Data\proProduct.mdf";Integrated Security=True;User Instance=True"
what can i do ?? what should i write ?
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