diff --git a/OpenSim/Framework/Data.DB4o/DB4oGridData.cs b/OpenSim/Framework/Data.DB4o/DB4oGridData.cs
index 9320ef98a3..31b13e3278 100644
--- a/OpenSim/Framework/Data.DB4o/DB4oGridData.cs
+++ b/OpenSim/Framework/Data.DB4o/DB4oGridData.cs
@@ -34,7 +34,7 @@ namespace OpenSim.Framework.Data.DB4o
     /// <summary>
     /// A grid server storage mechanism employing the DB4o database system
     /// </summary>
-    internal class DB4oGridData : IGridData
+    internal class DB4oGridData : GridDataBase
     {
         /// <summary>
         /// The database manager object
@@ -44,7 +44,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// <summary>
         /// Called when the plugin is first loaded (as constructors are not called)
         /// </summary>
-        public void Initialise()
+        override public void Initialise()
         {
             manager = new DB4oGridManager("gridserver.yap");
         }
@@ -57,7 +57,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// <param name="c">maximum X coordinate</param>
         /// <param name="d">maximum Y coordinate</param>
         /// <returns>An array of region profiles</returns>
-        public RegionProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d)
+        override public RegionProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d)
         {
             return null;
         }
@@ -67,7 +67,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// </summary>
         /// <param name="handle">The handle to search for</param>
         /// <returns>A region profile</returns>
-        public RegionProfileData GetProfileByHandle(ulong handle)
+        override public RegionProfileData GetProfileByHandle(ulong handle)
         {
             lock (manager.simProfiles)
             {
@@ -87,7 +87,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// </summary>
         /// <param name="uuid">The region ID code</param>
         /// <returns>A region profile</returns>
-        public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
+        override public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
         {
             lock (manager.simProfiles)
             {
@@ -98,7 +98,7 @@ namespace OpenSim.Framework.Data.DB4o
                                 "). Total Registered Regions: " + manager.simProfiles.Count);
         }
 
-        public RegionProfileData GetProfileByString(string regionName)
+        override public RegionProfileData GetProfileByString(string regionName)
         {
             throw new Exception("GetProfileByString Not supported in DB4oGridData");
             //return null;
@@ -109,7 +109,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// </summary>
         /// <param name="profile">The profile to add</param>
         /// <returns>A dataresponse enum indicating success</returns>
-        public DataResponse AddProfile(RegionProfileData profile)
+        override public DataResponse AddProfile(RegionProfileData profile)
         {
             lock (manager.simProfiles)
             {
@@ -131,7 +131,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// <param name="handle">The location the region is logging into (unused in Db4o)</param>
         /// <param name="key">The shared secret</param>
         /// <returns>Authenticated?</returns>
-        public bool AuthenticateSim(LLUUID uuid, ulong handle, string key)
+        override public bool AuthenticateSim(LLUUID uuid, ulong handle, string key)
         {
             if (manager.simProfiles[uuid].regionRecvKey == key)
                 return true;
@@ -141,7 +141,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// <summary>
         /// Shuts down the database
         /// </summary>
-        public void Close()
+        override public void Close()
         {
             manager = null;
         }
@@ -160,7 +160,7 @@ namespace OpenSim.Framework.Data.DB4o
         /// Returns the providers name
         /// </summary>
         /// <returns>The name of the storage system</returns>
-        public string getName()
+        override public string getName()
         {
             return "DB4o Grid Provider";
         }
@@ -169,12 +169,12 @@ namespace OpenSim.Framework.Data.DB4o
         /// Returns the providers version
         /// </summary>
         /// <returns>The version of the storage system</returns>
-        public string getVersion()
+        override public string getVersion()
         {
             return "0.1";
         }
 
-        public ReservationData GetReservationAtPoint(uint x, uint y)
+        override public ReservationData GetReservationAtPoint(uint x, uint y)
         {
             return null;
         }
diff --git a/OpenSim/Framework/Data.MSSQL/MSSQLGridData.cs b/OpenSim/Framework/Data.MSSQL/MSSQLGridData.cs
index 5a0f3f5aa1..9bd8acc491 100644
--- a/OpenSim/Framework/Data.MSSQL/MSSQLGridData.cs
+++ b/OpenSim/Framework/Data.MSSQL/MSSQLGridData.cs
@@ -38,7 +38,7 @@ namespace OpenSim.Framework.Data.MSSQL
     /// <summary>
     /// A grid data interface for Microsoft SQL Server
     /// </summary>
-    public class MSSQLGridData : IGridData
+    public class MSSQLGridData : GridDataBase
     {
         private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
@@ -52,7 +52,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// <summary>
         /// Initialises the Grid Interface
         /// </summary>
-        public void Initialise()
+        override public void Initialise()
         {
             IniFile iniFile = new IniFile("mssql_connection.ini");
 
@@ -94,7 +94,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// <summary>
         /// Shuts down the grid interface
         /// </summary>
-        public void Close()
+        override public void Close()
         {
             database.Close();
         }
@@ -103,7 +103,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// Returns the storage system name
         /// </summary>
         /// <returns>A string containing the storage system name</returns>
-        public string getName()
+        override public string getName()
         {
             return "Sql OpenGridData";
         }
@@ -112,7 +112,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// Returns the storage system version
         /// </summary>
         /// <returns>A string containing the storage system version</returns>
-        public string getVersion()
+        override public string getVersion()
         {
             return "0.1";
         }
@@ -125,7 +125,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// <param name="c">maximum X coordinate</param>
         /// <param name="d">maximum Y coordinate</param>
         /// <returns>An array of region profiles</returns>
-        public RegionProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d)
+        override public RegionProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d)
         {
             return null;
         }
@@ -135,7 +135,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// </summary>
         /// <param name="handle">Region location handle</param>
         /// <returns>Sim profile</returns>
-        public RegionProfileData GetProfileByHandle(ulong handle)
+        override public RegionProfileData GetProfileByHandle(ulong handle)
         {
             IDataReader reader = null;
             try
@@ -166,7 +166,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// </summary>
         /// <param name="uuid">The region UUID</param>
         /// <returns>The sim profile</returns>
-        public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
+        override public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
         {
             Dictionary<string, string> param = new Dictionary<string, string>();
             param["uuid"] = uuid.ToString();
@@ -185,7 +185,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// </summary>
         /// <param name="uuid">The region name search query</param>
         /// <returns>The sim profile</returns>
-        public RegionProfileData GetProfileByString(string regionName)
+        override public RegionProfileData GetProfileByString(string regionName)
         {
             if (regionName.Length > 2)
             {
@@ -226,7 +226,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// </summary>
         /// <param name="profile">The profile to add</param>
         /// <returns>A dataresponse enum indicating success</returns>
-        public DataResponse AddProfile(RegionProfileData profile)
+        override public DataResponse AddProfile(RegionProfileData profile)
         {
             try
             {
@@ -327,7 +327,7 @@ namespace OpenSim.Framework.Data.MSSQL
         /// <param name="handle">The attempted regionHandle of the challenger</param>
         /// <param name="authkey">The secret</param>
         /// <returns>Whether the secret and regionhandle match the database entry for UUID</returns>
-        public bool AuthenticateSim(LLUUID uuid, ulong handle, string authkey)
+        override public bool AuthenticateSim(LLUUID uuid, ulong handle, string authkey)
         {
             bool throwHissyFit = false; // Should be true by 1.0
 
@@ -358,7 +358,7 @@ namespace OpenSim.Framework.Data.MSSQL
             return false;
         }
 
-        public ReservationData GetReservationAtPoint(uint x, uint y)
+        override public ReservationData GetReservationAtPoint(uint x, uint y)
         {
             return null;
         }
diff --git a/OpenSim/Framework/Data.MySQL/MySQLGridData.cs b/OpenSim/Framework/Data.MySQL/MySQLGridData.cs
index 0cba9f0bfe..61ab067d18 100644
--- a/OpenSim/Framework/Data.MySQL/MySQLGridData.cs
+++ b/OpenSim/Framework/Data.MySQL/MySQLGridData.cs
@@ -39,7 +39,7 @@ namespace OpenSim.Framework.Data.MySQL
     /// <summary>
     /// A MySQL Interface for the Grid Server
     /// </summary>
-    public class MySQLGridData : IGridData
+    public class MySQLGridData : GridDataBase
     {
         private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
@@ -51,7 +51,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// <summary>
         /// Initialises the Grid Interface
         /// </summary>
-        public void Initialise()
+        override public void Initialise()
         {
             IniFile GridDataMySqlFile = new IniFile("mysql_connection.ini");
             string settingHostname = GridDataMySqlFile.ParseFileReadValue("hostname");
@@ -113,7 +113,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// <summary>
         /// Shuts down the grid interface
         /// </summary>
-        public void Close()
+        override public void Close()
         {
             database.Close();
         }
@@ -122,7 +122,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// Returns the plugin name
         /// </summary>
         /// <returns>Plugin name</returns>
-        public string getName()
+        override public string getName()
         {
             return "MySql OpenGridData";
         }
@@ -131,7 +131,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// Returns the plugin version
         /// </summary>
         /// <returns>Plugin version</returns>
-        public string getVersion()
+        override public string getVersion()
         {
             return "0.1";
         }
@@ -144,7 +144,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// <param name="xmax">Maximum X coordinate</param>
         /// <param name="ymax">Maximum Y coordinate</param>
         /// <returns></returns>
-        public RegionProfileData[] GetProfilesInRange(uint xmin, uint ymin, uint xmax, uint ymax)
+        override public RegionProfileData[] GetProfilesInRange(uint xmin, uint ymin, uint xmax, uint ymax)
         {
             try
             {
@@ -189,7 +189,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// </summary>
         /// <param name="handle">Region location handle</param>
         /// <returns>Sim profile</returns>
-        public RegionProfileData GetProfileByHandle(ulong handle)
+        override public RegionProfileData GetProfileByHandle(ulong handle)
         {
             try
             {
@@ -221,7 +221,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// </summary>
         /// <param name="uuid">The region UUID</param>
         /// <returns>The sim profile</returns>
-        public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
+        override public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
         {
             try
             {
@@ -253,7 +253,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// </summary>
         /// <param name="uuid">The region name search query</param>
         /// <returns>The sim profile</returns>
-        public RegionProfileData GetProfileByString(string regionName)
+        override public RegionProfileData GetProfileByString(string regionName)
         {
             if (regionName.Length > 2)
             {
@@ -294,7 +294,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// </summary>
         /// <param name="profile">The profile to add</param>
         /// <returns>Successful?</returns>
-        public DataResponse AddProfile(RegionProfileData profile)
+        override public DataResponse AddProfile(RegionProfileData profile)
         {
             lock (database)
             {
@@ -337,7 +337,7 @@ namespace OpenSim.Framework.Data.MySQL
         /// <param name="handle">The attempted regionHandle of the challenger</param>
         /// <param name="authkey">The secret</param>
         /// <returns>Whether the secret and regionhandle match the database entry for UUID</returns>
-        public bool AuthenticateSim(LLUUID uuid, ulong handle, string authkey)
+        override public bool AuthenticateSim(LLUUID uuid, ulong handle, string authkey)
         {
             bool throwHissyFit = false; // Should be true by 1.0
 
@@ -369,7 +369,7 @@ namespace OpenSim.Framework.Data.MySQL
             return false;
         }
 
-        public ReservationData GetReservationAtPoint(uint x, uint y)
+        override public ReservationData GetReservationAtPoint(uint x, uint y)
         {
             try
             {
diff --git a/OpenSim/Framework/Data.SQLite/SQLiteGridData.cs b/OpenSim/Framework/Data.SQLite/SQLiteGridData.cs
index 397ef82e3d..94e8e50462 100644
--- a/OpenSim/Framework/Data.SQLite/SQLiteGridData.cs
+++ b/OpenSim/Framework/Data.SQLite/SQLiteGridData.cs
@@ -37,7 +37,7 @@ namespace OpenSim.Framework.Data.SQLite
     /// <summary>
     /// A Grid Interface to the SQLite database
     /// </summary>
-    public class SQLiteGridData : IGridData
+    public class SQLiteGridData : GridDataBase
     {
         /// <summary>
         /// A database manager
@@ -47,7 +47,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// <summary>
         /// Initialises the Grid Interface
         /// </summary>
-        public void Initialise()
+        override public void Initialise()
         {
             database = new SQLiteManager("localhost", "db", "user", "password", "false");
         }
@@ -55,7 +55,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// <summary>
         /// Shuts down the grid interface
         /// </summary>
-        public void Close()
+        override public void Close()
         {
             database.Close();
         }
@@ -64,7 +64,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// Returns the name of this grid interface
         /// </summary>
         /// <returns>A string containing the grid interface</returns>
-        public string getName()
+        override public string getName()
         {
             return "SQLite OpenGridData";
         }
@@ -73,7 +73,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// Returns the version of this grid interface
         /// </summary>
         /// <returns>A string containing the version</returns>
-        public string getVersion()
+        override public string getVersion()
         {
             return "0.1";
         }
@@ -86,7 +86,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// <param name="c">maximum X coordinate</param>
         /// <param name="d">maximum Y coordinate</param>
         /// <returns>An array of region profiles</returns>
-        public RegionProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d)
+        override public RegionProfileData[] GetProfilesInRange(uint a, uint b, uint c, uint d)
         {
             return null;
         }
@@ -96,7 +96,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// </summary>
         /// <param name="handle">Region location handle</param>
         /// <returns>Sim profile</returns>
-        public RegionProfileData GetProfileByHandle(ulong handle)
+        override public RegionProfileData GetProfileByHandle(ulong handle)
         {
             Dictionary<string, string> param = new Dictionary<string, string>();
             param["handle"] = handle.ToString();
@@ -116,7 +116,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// </summary>
         /// <param name="regionName">The region name search query</param>
         /// <returns>The sim profile</returns>
-        public RegionProfileData GetProfileByString(string regionName)
+        override public RegionProfileData GetProfileByString(string regionName)
         {
             if (regionName.Length > 2)
             {
@@ -145,7 +145,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// </summary>
         /// <param name="uuid">The region UUID</param>
         /// <returns>The sim profile</returns>
-        public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
+        override public RegionProfileData GetProfileByLLUUID(LLUUID uuid)
         {
             Dictionary<string, string> param = new Dictionary<string, string>();
             param["uuid"] = uuid.ToString();
@@ -175,7 +175,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// </summary>
         /// <param name="profile">The profile to add</param>
         /// <returns>A dataresponse enum indicating success</returns>
-        public DataResponse AddProfile(RegionProfileData profile)
+        override public DataResponse AddProfile(RegionProfileData profile)
         {
             if (database.insertRow(profile))
             {
@@ -194,7 +194,7 @@ namespace OpenSim.Framework.Data.SQLite
         /// <param name="handle">The attempted regionHandle of the challenger</param>
         /// <param name="authkey">The secret</param>
         /// <returns>Whether the secret and regionhandle match the database entry for UUID</returns>
-        public bool AuthenticateSim(LLUUID uuid, ulong handle, string authkey)
+        override public bool AuthenticateSim(LLUUID uuid, ulong handle, string authkey)
         {
             bool throwHissyFit = false; // Should be true by 1.0
 
@@ -226,7 +226,7 @@ namespace OpenSim.Framework.Data.SQLite
             return false;
         }
 
-        public ReservationData GetReservationAtPoint(uint x, uint y)
+        override public ReservationData GetReservationAtPoint(uint x, uint y)
         {
             return null;
         }
diff --git a/OpenSim/Framework/Data/GridDataBase.cs b/OpenSim/Framework/Data/GridDataBase.cs
index e7333b4c3a..32a729a550 100644
--- a/OpenSim/Framework/Data/GridDataBase.cs
+++ b/OpenSim/Framework/Data/GridDataBase.cs
@@ -1,10 +1,22 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
+using libsecondlife;
 
 namespace OpenSim.Framework.Data
 {
-    public abstract class GridDataBase
+    public abstract class GridDataBase : IGridData
     {
+        public abstract RegionProfileData GetProfileByHandle(ulong regionHandle);
+        public abstract RegionProfileData GetProfileByLLUUID(LLUUID UUID);
+        public abstract RegionProfileData GetProfileByString(string regionName);
+        public abstract RegionProfileData[] GetProfilesInRange(uint Xmin, uint Ymin, uint Xmax, uint Ymax);
+        public abstract bool AuthenticateSim(LLUUID UUID, ulong regionHandle, string simrecvkey);
+        public abstract void Initialise();
+        public abstract void Close();
+        public abstract string getName();
+        public abstract string getVersion();
+        public abstract DataResponse AddProfile(RegionProfileData profile);
+        public abstract ReservationData GetReservationAtPoint(uint x, uint y);
     }
 }