using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data.SqlClient; namespace Factory_Management_System { class dbclass { public static string constring = "DATA Source=CODER-PC;Initial Catalog=factory_management_system;User Id=zerocore;Password=admin;"; public static SqlConnection con = new SqlConnection(constring); public dbclass() { } } }