A reporting service using SOAP calls passing XML to a Data Extension

// File: DataSetConnection.cs

using System;
using System.Diagnostics;
using Data = System.Data;
using Microsoft.ReportingServices.DataProcessing;
using Microsoft.ReportingServices.Interfaces;

namespace CustomDataExtension
{
	/// <summary>
	/// </summary>
	public class DataSetConnection : IDbConnection, IExtension
	{
		#region Properties
		private string _connectionString;
		private System.Data.ConnectionState	_connectionState = System.Data.ConnectionState.Closed;
		private string _localizedName = "Custom Data Extension";

		/// <summary>
		/// Gets/sets the connection string
		/// </summary>
		/// <remarks>
		/// ToDo
		/// </remarks>
		public String ConnectionString 
		{
			get { return (this._connectionString); }
			set { this._connectionString = value; }
		}

		/// <summary>
		/// Gets the connection timeout.
		/// </summary>
		/// <remarks>
		/// This extension does not currently support a timeout so will always return 0.
		/// </remarks>
		public Int32 ConnectionTimeout 
		{
			get { return (0); }
		}

		/// <summary>
		/// TODO
		/// </summary>
		public System.Data.ConnectionState State 
		{
			get 
			{
				return _connectionState;
			}
		}

		/// <summary>
		/// TODO
		/// </summary>
		public string LocalizedName 
		{
			get { return _localizedName; }
			set { _localizedName = value; }
		}
		#endregion

		/// <summary>
		/// Signals the begin of a transaction
		/// </summary>
		/// <returns>null since we do not support transactions</returns>
		public IDbTransaction BeginTransaction () 
		{
			return (null);
		}

		/// <summary>
		/// Opens the connection (not used)
		/// </summary>
		public void Open () 
		{
			//Debug.WriteLine("Connection :: Open()");
		}

		/// <summary>
		/// Closes the connection (not used)
		/// </summary>
		public void Close () {}

		/// <summary>
		/// Creates a IDbCommand object
		/// </summary>
		/// <returns>A new IDbCommand</returns>
		public IDbCommand CreateCommand () 
		{
			//Debug.WriteLine("Connection :: CreateCommand()");
			return new DataSetCommand();
		}

		/// <summary>
		/// TODO
		/// </summary>
		/// <param name="configuration"></param>
		public void SetConfiguration(string configuration) {}

		/// <summary>
		/// Dispose of any held resources
		/// </summary>
		public void Dispose() {}
	}
}