using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using System.Data; using System.Data.SqlClient; public class DbConn { protected string _connectionString { get; set; } protected SqlConnection _sqlConnection { get; set; } public DbConn() { this._connectionString = GlobalClass.appsettings("ConnectionStrings:SQLConnectionString"); } public SqlConnection sqlConnection() { this._sqlConnection = new SqlConnection(this._connectionString); if (this._sqlConnection.State != ConnectionState.Open) { this._sqlConnection.Open(); } return this._sqlConnection; } public void closeConn() { if (this._sqlConnection.State != ConnectionState.Closed) { this._sqlConnection.Close(); this._sqlConnection.Dispose(); } } }