Hi,
First you take the script of the created db and run that script into your database and update your membership section in the web.config file.
<membership defaultprovider="SQLMembershipProvider" userisonlinetimewindow="15">
<providers>
<clear />
<add name="SQLMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionstringname="PMSoftDb" applicationname="Port80Upload" enablepasswordretrieval="false" enablepasswordreset="true" passwordstrengthregularexpression="([a-zA-Z])(?=.*\d)\w{4,9}$" requiresquestionandanswer="false" requiresuniqueemail="true" minrequiredpasswordlength="6" minrequirednonalphanumericcharacters="0" passwordformat="Hashed" />
</providers>
</membership>
<profile enabled="true" defaultprovider="SQLProfileProvider">
<providers>
<add name="SQLProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionstringname="PMDb" applicationname="Port80Upload" />
</providers>
</profile>
Also you should set connection string in the web.config