>>Hi everybody,
>>
>>I am trying to figure out the following problem.
>>
>>I have MiddlewareBase class. This is a base class for few other classes.
>>
>>It has the following constructor currently
>>
>>

>>public class MiddlewareBase
>>   {
>>      public Request CurrentRequest;
>>      public LocalIni iniFile;
>>
>>      private Database _database;
>>      public Database database
>>      {
>>         get { return _database; }
>>         set { _database = value; }
>>      }
>>      internal String CurrentSalespoint { get; private set; }
>>      internal String CurrentOperator { get; private set; }
>>      internal Int16 nPrefsSiteNo { get; set; }
>>      internal Int16 nClientNumber { get; set; }
>>
>>      public static readonly DateTime DTSqlMinDate = DateTime.Parse("1900-01-01");
>>
>>      public static readonly String ServerName = "SalesEZ"; //"Siriusware.Middleware"; // used to be SalesEZ
>>      public static readonly String GenericOperator = "SEZDTL"; // used in lcDTL in ValidatePass2
>>
>>      public MiddlewareBase()
>>      {
>>         iniFile = new LocalIni();
>>      }

>>
>>I have several classes that inherit from this class.
>>
>>I don't want to set nPrefsSiteNo and nClientNumber properties in each of these classes individually. I want to set them once in the parent class. However, to get these properties I need to use this.database. methods.
>>
>>All instances of this class properly set up the database.
>>
>>My question is - how can I set these two properties in the base class?
>>
>>This is how I currently set nPrefsSiteNo in the instance class:
>>
>>

>> this.nPrefsSiteNo = (Int16)database.GetPreferenceInt("prefs", "site_no");

>>
>>I want to move this logic into the base class. However, I can not call it in constructor as the database is not defined at that point.
>>
>>What can I do?
>>
>>Thanks in advance.
>
>In addition to Viv's reply, you can get rid of the constructor here
>
>
>>

>>public class MiddlewareBase
>>   {
>>      public Request CurrentRequest;
>>      public readonly LocalIni iniFile =  new LocalIni(); // here 
>
>>
>>      private Database _database;
>>      public Database database
>>      {
>>         get { return _database; }
>>         set { _database = value; }
>>      }
>>      internal String CurrentSalespoint { get; private set; }
>>      internal String CurrentOperator { get; private set; }
>>      internal Int16 nPrefsSiteNo { get; set; }
>>      internal Int16 nClientNumber { get; set; }
>>
>>      public static readonly DateTime DTSqlMinDate = DateTime.Parse("1900-01-01");
>>
>>      public static readonly String ServerName = "SalesEZ"; //"Siriusware.Middleware"; // used to be SalesEZ
>>      public static readonly String GenericOperator = "SEZDTL"; // used in lcDTL in ValidatePass2
>>
>>    //  public MiddlewareBase()
>>     // {
>>       //  iniFile = new LocalIni();
>>     // }

>>
>
>And come to think of it, why not pass the database to the constructor
>
>
>>

>>public class MiddlewareBase
>>   {
>>      public Request CurrentRequest;
>>      public readonly LocalIni iniFile =  new LocalIni(); // here 
>
>>
>>      private Database _database;
>>      public Database database
>>      {
>>         get { return _database; }
>>        private  set { _database = value; 
>                             nPrefsSiteNo = (Int16)database.GetPreferenceInt("prefs", "site_no");
>                            }
>>      }
>>      internal String CurrentSalespoint { get; private set; }
>>      internal String CurrentOperator { get; private set; }
>>      internal Int16 nPrefsSiteNo { get; set; }
>>      internal Int16 nClientNumber { get; set; }
>>
>>      public static readonly DateTime DTSqlMinDate = DateTime.Parse("1900-01-01");
>>
>>      public static readonly String ServerName = "SalesEZ"; //"Siriusware.Middleware"; // used to be SalesEZ
>>      public static readonly String GenericOperator = "SEZDTL"; // used in lcDTL in ValidatePass2
>>
>>      public MiddlewareBase( Database database)
>>      {
>                  this.database = database;
>
>>     }

>>

Thank you both, sounds like a good idea. I was thinking today of something similar, but this is definitely the best approach and easy to implement.