Config SQL Server for JDBC Access
1. In "MicroSoft SQL Server Management Studio", right click SQL Server instance, select "Properties", select "Security" in left panel and check "SQL Server and Windows Authentication mode" in right Panel.
2. In "SQL Server Configuration Manager", select "SQL Server Network Configuration > Protocols for XXX" in left panel and enable "TCP/IP" in the right panel.
3. Create a login account and add it to some role.
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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Collections;
using System.Data.SqlClient;
namespace DAL
{
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