using System;
using NLog;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections.Generic;

/// <summary>
/// Richiama i parametri del webconfig
/// </summary>
public static class WebConfigParameter
{
    private static readonly NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();
    public static string getParameter(string parametro)
    {
        string value = null;
        if (parametro != null && parametro != string.Empty)
        {
            try
            {
                value = System.Configuration.ConfigurationManager.AppSettings[parametro];
            }
            catch (Exception ex)
            {
                logger.Errors(ex);
            }
        }

        return value;
    }
    //public static string getParameterWithNullValue(string parametro) {
    //    return System.Configuration.ConfigurationManager.AppSettings[parametro];
    //}
    public static string getConnectionString(string providerName)
    {
        string connectionString = System.Configuration.ConfigurationManager.ConnectionStrings[providerName].ConnectionString;
        if (connectionString != null)
            return connectionString;
        else
        {
            logger.Error(new Exception("La stringa di connessione " + providerName + " non è presente nel file di Configurazione"));
            //throw new Exception("La stringa di connessione " + providerName + " non è presente nel file di Configurazione");
            return null;
        }

    }
}