--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Data/DataProvider/OleDbDataProvider.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,154 @@
+using System;
+using System.Data;
+using System.Data.Common;
+using System.Data.OleDb;
+
+namespace BLToolkit.Data.DataProvider
+{
+	using Sql.SqlProvider;
+
+	/// <summary>
+	/// Implements access to the Data Provider for OLE DB.
+	/// </summary>
+	/// <remarks>
+	/// See the <see cref="DbManager.AddDataProvider(DataProviderBase)"/> method to find an example.
+	/// </remarks>
+	/// <seealso cref="DbManager.AddDataProvider(DataProviderBase)">AddDataManager Method</seealso>
+	public class OleDbDataProvider : DataProviderBase
+	{
+		/// <summary>
+		/// Creates the database connection object.
+		/// </summary>
+		/// <remarks>
+		/// See the <see cref="DbManager.AddDataProvider(DataProviderBase)"/> method to find an example.
+		/// </remarks>
+		/// <seealso cref="DbManager.AddDataProvider(DataProviderBase)">AddDataManager Method</seealso>
+		/// <returns>The database connection object.</returns>
+		public override IDbConnection CreateConnectionObject()
+		{
+			return new OleDbConnection();
+		}
+
+		/// <summary>
+		/// Creates the data adapter object.
+		/// </summary>
+		/// <remarks>
+		/// See the <see cref="DbManager.AddDataProvider(DataProviderBase)"/> method to find an example.
+		/// </remarks>
+		/// <seealso cref="DbManager.AddDataProvider(DataProviderBase)">AddDataManager Method</seealso>
+		/// <returns>A data adapter object.</returns>
+		public override DbDataAdapter CreateDataAdapterObject()
+		{
+			return new OleDbDataAdapter();
+		}
+
+		/// <summary>
+		/// Populates the specified <see cref="IDbCommand"/> object's Parameters collection with 
+		/// parameter information for the stored procedure specified in the <see cref="IDbCommand"/>.
+		/// </summary>
+		/// <remarks>
+		/// See the <see cref="DbManager.AddDataProvider(DataProviderBase)"/> method to find an example.
+		/// </remarks>
+		/// <seealso cref="DbManager.AddDataProvider(DataProviderBase)">AddDataManager Method</seealso>
+		/// <param name="command">The <see cref="IDbCommand"/> referencing the stored procedure for which 
+		/// the parameter information is to be derived. The derived parameters will be 
+		/// populated into the Parameters of this command.</param>
+		public override bool DeriveParameters(IDbCommand command)
+		{
+			OleDbCommandBuilder.DeriveParameters((OleDbCommand)command);
+			return true;
+		}
+
+		public override object Convert(object value, ConvertType convertType)
+		{
+			switch (convertType)
+			{
+				case ConvertType.NameToQueryParameter:
+				case ConvertType.NameToCommandParameter:
+				case ConvertType.NameToSprocParameter:
+					return "@" + value;
+
+				case ConvertType.NameToQueryField:
+				case ConvertType.NameToQueryFieldAlias:
+				case ConvertType.NameToQueryTableAlias:
+					{
+						var name = value.ToString();
+
+						if (name.Length > 0 && name[0] == '[')
+							return value;
+					}
+
+					return "[" + value + "]";
+
+				case ConvertType.NameToDatabase:
+				case ConvertType.NameToOwner:
+				case ConvertType.NameToQueryTable:
+					{
+						var name = value.ToString();
+
+						if (name.Length > 0 && name[0] == '[')
+							return value;
+
+						if (name.IndexOf('.') > 0)
+							value = string.Join("].[", name.Split('.'));
+					}
+
+					return "[" + value + "]";
+
+				case ConvertType.SprocParameterToName:
+					if (value != null)
+					{
+						var str = value.ToString();
+						return str.Length > 0 && str[0] == '@'? str.Substring(1): str;
+					}
+
+					break;
+
+				case ConvertType.ExceptionToErrorNumber:
+					if (value is OleDbException)
+					{
+						var ex = (OleDbException)value;
+						if (ex.Errors.Count > 0)
+							return ex.Errors[0].NativeError;
+					}
+
+					break;
+			}
+
+			return value;
+		}
+
+		public override ISqlProvider CreateSqlProvider()
+		{
+			throw new NotSupportedException();
+		}
+
+		/// <summary>
+		/// Returns connection type.
+		/// </summary>
+		/// <remarks>
+		/// See the <see cref="DbManager.AddDataProvider(DataProviderBase)"/> method to find an example.
+		/// </remarks>
+		/// <seealso cref="DbManager.AddDataProvider(DataProviderBase)">AddDataManager Method</seealso>
+		/// <value>An instance of the <see cref="Type"/> class.</value>
+		public override Type ConnectionType
+		{
+			get { return typeof(OleDbConnection); }
+		}
+
+		public const string NameString = DataProvider.ProviderName.OleDb;
+
+		/// <summary>
+		/// Returns the data provider name.
+		/// </summary>
+		/// <remarks>
+		/// See the <see cref="DbManager.AddDataProvider(DataProviderBase)"/> method to find an example.
+		/// </remarks>
+		/// <seealso cref="DbManager.AddDataProvider(DataProviderBase)">AddDataProvider Method</seealso>
+		/// <value>Data provider name.</value>
+		public override string Name
+		{
+			get { return NameString; }
+		}
+	}
+}