App.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <configSections>
    </configSections>
    <connectionStrings>
        <add name="quanLyQuanKara.Properties.Settings.QuanKaraConnectionString"
            connectionString="Data Source=hoangs\sqlexpress;Initial Catalog=QuanKara;Integrated Security=True"
            providerName="System.Data.SqlClient" />
        <add name="quanLyQuanKara.Properties.Settings.DataSourceConnectionString"
            connectionString="Data Source=hoangs\sqlexpress;Integrated Security=True"
            providerName="System.Data.SqlClient" />
        <add name="quanLyQuanKara.Properties.Settings.QuanKaraokeConnectionString"
            connectionString="Data Source=hoangs\sqlexpress;Initial Catalog=QuanKaraoke;Integrated Security=True"
            providerName="System.Data.SqlClient" />
        <add name="quanLyQuanKara.Properties.Settings.QuanKaraoke2ConnectionString"
            connectionString="Data Source=hoangs\sqlexpress;Initial Catalog=QuanKaraoke2;Integrated Security=True"
            providerName="System.Data.SqlClient" />
        <add name="quanLyQuanKara.Properties.Settings.QuanKaraoke3ConnectionString"
            connectionString="Data Source=hoangs\sqlexpress;Initial Catalog=QuanKaraoke3;Integrated Security=True"
            providerName="System.Data.SqlClient" />
        <add name="quanLyQuanKara.Properties.Settings.QuanKaraoke3ConnectionString1"
            connectionString="Data Source=TRUNGTHACHDAU\SQLEXPRESS;Initial Catalog=QuanKaraoke3;Integrated Security=True"
            providerName="System.Data.SqlClient" />
        <add name="quanLyQuanKara.Properties.Settings.QLKaraokeConnectionString"
            connectionString="Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\Data\QLKaraoke.mdf;Integrated Security=True"
            providerName="System.Data.SqlClient" />
    </connectionStrings>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
    </startup>
</configuration>