<connectionString>
<Add name="datamdb" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=~\App_Data\data.aspx"
providerName="System.Data.OleDb"/>
</connectionString>
<connectionString>
<Add name="datamdb" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=~\App_Data\data.aspx"
providerName="System.Data.OleDb"/>
</connectionString>