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开发平台：
C#

UserFormLoader.cs：源码内容
							﻿// -- FILE ------------------------------------------------------------------
// name       : UserFormLoader.cs
// project    : Itenso Web User Forms
// created    : Jani Giannoudis - 2008.10.30
// language   : c#
// environment: .NET 2.0
// copyright  : (c) 2008 by Itenso GmbH, Switzerland
// --------------------------------------------------------------------------
using System;
using System.Text;
using System.Web.UI;
using System.Reflection;
using System.Collections.Generic;
namespace Itenso.WebUserForms.Controls
{
	// ------------------------------------------------------------------------
	public class UserFormLoader
	{
		// ----------------------------------------------------------------------
		public UserFormLoader( string virtualPath )
			: this( virtualPath, null )
		{
		} // UserFormLoader
		// ----------------------------------------------------------------------
		public UserFormLoader( string virtualPath, string formId )
		{
			if ( string.IsNullOrEmpty( virtualPath ) )
			{
				throw new ArgumentNullException( "virtualPath" );
			}
			this.virtualPath = virtualPath;
			this.formId = formId;
		} // UserFormLoader
		// ----------------------------------------------------------------------
		public string VirtualPath
		{
			get { return this.virtualPath; }
		} // VirtualPath
		// ----------------------------------------------------------------------
		public string FormId
		{
			get { return this.formId; }
		} // FormId
		// ----------------------------------------------------------------------
		public UserControl LoadUnsafe()
		{
			return LoadControl( null );
		} // LoadUnsafe
		// ----------------------------------------------------------------------
		public UserControl Load()
		{
			return LoadControl( new UserFormCodeValidator() );
		} // Load
		// ----------------------------------------------------------------------
		public UserControl Load( UserFormCodeValidator codeValidator )
		{
			if ( codeValidator == null )
			{
				throw new ArgumentNullException( "codeValidator" );
			}
			return LoadControl( codeValidator );
		} // Load
		// ----------------------------------------------------------------------
		private UserControl LoadControl( UserFormCodeValidator codeValidator )
		{
			UserControl userControl = new UserControl().LoadControl( this.virtualPath ) as UserControl;
			if ( codeValidator != null )
			{
				codeValidator.Validate( userControl );
			}
			SetupForm( userControl );
			return userControl;
		} // LoadControl
		// ----------------------------------------------------------------------
		protected virtual void SetupForm( UserControl userControl )
		{
			if ( string.IsNullOrEmpty( this.formId ) )
			{
				return;
			}
			if ( userControl != null && string.IsNullOrEmpty( userControl.ID ) )
			{
				userControl.ID = this.formId;
			}
		} // SetupForm
		// ----------------------------------------------------------------------
		// members
		private readonly string virtualPath;
		private readonly string formId;
	} // class UserFormLoader
} // namespace Itenso.WebUserForms.Controls
// -- EOF -------------------------------------------------------------------

						