/// '-----------------------------------------------------------------------------------------
/// <summary>
/// Get specified config app setting's value as an integer number.
/// </summary>
/// <param name="appSetting"></param>
/// <returns></returns>
/// '-----------------------------------------------------------------------------------------
public static int GetAppSettingAsInt(string appSetting)
{
string setting = AppSettings[appSetting];
if (setting == null || setting.Trim().Length == 0)
{
throw new ConfigurationErrorsException(String.Format(MISSING_APPSETTING_ERR_MSG, appSetting));
}
return(IntegerHelper.ConvertToInt(setting));
}