diff --git a/WebControls/InputUserName.cs b/WebControls/InputUserName.cs
new file mode 100644
index 00000000..83cd6c0a
--- /dev/null
+++ b/WebControls/InputUserName.cs
@@ -0,0 +1,152 @@
+//
+//  SelectUserControl.cs
+//
+//  Author:
+//       Paul Schneider <paulschneider@free.fr>
+//
+//  Copyright (c) 2015 Paul Schneider
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using System.Web;
+using System.Security.Permissions;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+using System.ComponentModel;
+using System.Web.Security;
+
+
+namespace Yavsc.WebControls
+{
+	/// <summary>
+	/// Select user control.
+	/// </summary>
+	[
+		AspNetHostingPermission (SecurityAction.Demand,
+			Level = AspNetHostingPermissionLevel.Minimal),
+		AspNetHostingPermission (SecurityAction.InheritanceDemand, 
+			Level = AspNetHostingPermissionLevel.Minimal),
+		ParseChildren (true),
+		DefaultProperty ("Name"),
+		ToolboxData ("<{0}:ResultPages runat=\"server\"> </{0}:ResultPages>")
+	]
+	public class InputUserName: WebControl
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="WebControls.InputUserName"/> class.
+		/// </summary>
+		public InputUserName ()
+		{
+			Multiple = false;
+		}
+		/// <summary>
+		/// Gets or sets the name.
+		/// </summary>
+		/// <value>The name.</value>
+		[Bindable (true)]
+		[DefaultValue("")]
+		[Localizable(true)]
+		public string Name {
+			get {
+				return (string) ViewState["Name"];
+			}
+			set {
+				ViewState ["Name"]  = value;
+			}
+		}
+		/// <summary>
+		/// Gets or sets the value.
+		/// </summary>
+		/// <value>The value.</value>
+		[Bindable (true)]
+		[DefaultValue("")]
+		[Localizable(true)]
+		public string Value {
+			get {
+				return (string) ViewState["Value"];
+			}
+			set {
+				ViewState ["Value"]  = value;
+			}
+		}
+		/// <summary>
+		/// Gets or sets the in role.
+		/// </summary>
+		/// <value>The in role.</value>
+		[Bindable (true)]
+		[DefaultValue("")]
+		[Localizable(true)]
+		public string InRole {
+			get {
+				return (string) ViewState["InRole"];
+			}
+			set {
+				ViewState ["InRole"]  = value;
+			}
+		}
+
+		/// <summary>
+		/// Gets or sets a value indicating whether this <see cref="Yavsc.WebControls.InputUserName"/> is multiple.
+		/// </summary>
+		/// <value><c>true</c> if multiple; otherwise, <c>false</c>.</value>
+		[Bindable (true)]
+		[DefaultValue(false)]
+		public bool Multiple {
+			get {
+
+				return (bool) ViewState["Multiple"];
+			}
+			set {
+				ViewState ["Multiple"]  = value;
+
+			}
+		}
+
+		/// <summary>
+		/// Renders the contents.
+		/// </summary>
+		/// <param name="writer">Writer.</param>
+		protected override void RenderContents (HtmlTextWriter writer)
+		{
+			writer.AddAttribute ("id", ID);
+			writer.AddAttribute ("name", Name);
+			writer.AddAttribute ("class", CssClass);
+			if (Multiple)
+				writer.AddAttribute ("multiple","true");
+			writer.RenderBeginTag ("select");
+			string[] selected = null;
+			string[] roles = null;
+			if (!string.IsNullOrWhiteSpace (Value)) {
+				selected = Value.Split (',');
+			}
+			if (!string.IsNullOrWhiteSpace (InRole)) {
+				roles = InRole.Split (',');
+			}
+			foreach (MembershipUser u in Membership.GetAllUsers()) {
+				// if roles are specified, members must be in one of them
+				if (roles != null)
+					if (!Array.Exists (roles, x => Roles.IsUserInRole (x)))
+						continue;
+				if (selected!=null)
+					if (Array.Exists(selected, x=> x == u.UserName))
+						writer.AddAttribute ("selected",null);
+				writer.RenderBeginTag ("option");
+				writer.Write (u.UserName);
+				writer.RenderEndTag ();
+			}
+			writer.RenderEndTag ();
+		}
+	}
+}
+
diff --git a/WebControls/ResultPages.cs b/WebControls/ResultPages.cs
index 3943ed1b..bbf1d893 100644
--- a/WebControls/ResultPages.cs
+++ b/WebControls/ResultPages.cs
@@ -15,8 +15,8 @@ namespace Yavsc.WebControls
 		Level = AspNetHostingPermissionLevel.Minimal),
 		AspNetHostingPermission (SecurityAction.InheritanceDemand, 
 		Level = AspNetHostingPermissionLevel.Minimal),
-		ParseChildren (true, "Action"),
-		DefaultProperty ("Action"),
+		ParseChildren (true),
+
 		ToolboxData ("<{0}:ResultPages runat=\"server\"> </{0}:ResultPages>")
 	]
 	public class ResultPages: WebControl
@@ -24,7 +24,7 @@ namespace Yavsc.WebControls
 		/// <summary>
 		/// Initializes a new instance of the <see cref="Yavsc.WebControls.ResultPages"/> class.
 		/// </summary>
-		public ResultPages ()  
+		public ResultPages ()
 		{
 		}
 
diff --git a/WebControls/WebControls.csproj b/WebControls/WebControls.csproj
index d8b93c1d..2405ce2f 100644
--- a/WebControls/WebControls.csproj
+++ b/WebControls/WebControls.csproj
@@ -38,10 +38,12 @@
     <Reference Include="System.Web.Abstractions" />
     <Reference Include="System.Web.Mvc" />
     <Reference Include="System.Web.Http" />
+    <Reference Include="System.Web.ApplicationServices" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="ResultPages.cs" />
+    <Compile Include="InputUserName.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/web/ApiControllers/WorkFlowController.cs b/web/ApiControllers/WorkFlowController.cs
index a2cd1fc0..285849a3 100644
--- a/web/ApiControllers/WorkFlowController.cs
+++ b/web/ApiControllers/WorkFlowController.cs
@@ -9,6 +9,9 @@ using Yavsc.Model.WorkFlow;
 using System.Web.Http;
 using System.Web.Http.Controllers;
 using System.Web.Http.ModelBinding;
+using Yavsc.Model.RolesAndMembers;
+using Yavsc.Helpers;
+using Yavsc.Model;
 
 namespace Yavsc.ApiControllers
 {
@@ -51,6 +54,45 @@ namespace Yavsc.ApiControllers
 				Membership.GetUser().UserName,client,title,description);
 		}
 
+		/// <summary>
+		/// Register the specified model and isapprouved.
+		/// </summary>
+		/// <param name="model">Model.</param>
+		/// <param name="isapprouved">If set to <c>true</c> isapprouved.</param>
+		[HttpGet]
+		[ValidateAjax]
+		[Authorize(Roles="Admin,FrontOffice")]
+		public void Register([FromBody] RegisterModel model)
+		{
+			if (ModelState.IsValid) {
+				MembershipCreateStatus mcs;
+				var user = Membership.CreateUser (
+					model.UserName,
+					model.Password,
+					model.Email,
+					null,
+					null,
+					model.IsApprouved,
+					out mcs);
+				switch (mcs) {
+				case MembershipCreateStatus.DuplicateEmail:
+					ModelState.AddModelError ("Email", 
+						string.Format(LocalizedText.DuplicateEmail,model.UserName) );
+					return ;
+				case MembershipCreateStatus.DuplicateUserName:
+					ModelState.AddModelError ("UserName", 
+						string.Format(LocalizedText.DuplicateUserName,model.Email));
+					return ;
+				case MembershipCreateStatus.Success:
+					if (!model.IsApprouved)
+						YavscHelpers.SendActivationEmail (user);
+					return;
+				default:
+					throw new InvalidOperationException (string.Format("Unexpected user creation code :{0}",mcs));
+				}
+			}
+		}
+
 		/// <summary>
 		/// Drops the writting.
 		/// </summary>
diff --git a/web/IValueProvider.cs b/web/IValueProvider.cs
index 99a58d8d..329b0bd0 100644
--- a/web/IValueProvider.cs
+++ b/web/IValueProvider.cs
@@ -1,5 +1,4 @@
 using System;
-using Yavsc;
 using SalesCatalog;
 using System.Web.Routing;
 using System.Threading.Tasks;
diff --git a/web/TemplateException.cs b/web/TemplateException.cs
index 61152d43..fcb18344 100644
--- a/web/TemplateException.cs
+++ b/web/TemplateException.cs
@@ -1,5 +1,4 @@
 using System;
-using Yavsc;
 using SalesCatalog;
 using System.Web.Routing;
 using System.Threading.Tasks;
diff --git a/web/Views/FrontOffice/Estimate.aspx b/web/Views/FrontOffice/Estimate.aspx
index 729e5f68..27d52e3c 100644
--- a/web/Views/FrontOffice/Estimate.aspx
+++ b/web/Views/FrontOffice/Estimate.aspx
@@ -1,4 +1,5 @@
 <%@ Page Title="Devis" Language="C#" Inherits="System.Web.Mvc.ViewPage<Estimate>" MasterPageFile="~/Models/App.master" %>
+<%@ Register Assembly="Yavsc.WebControls" TagPrefix="yavsc" Namespace="Yavsc.WebControls" %> 
 
 <asp:Content ContentPlaceHolderID="head" ID="head1" runat="server" >
 <script type="text/javascript" src="<%=Url.Content("~/Scripts/stupidtable.js")%>"></script> 
@@ -18,7 +19,12 @@ $("#tbwrts").stupidtable();
 <%= Html.ValidationMessage("Title", "*") %>
 <br/>
 <%= Html.Hidden ("Responsible") %>
-<%= Html.LabelFor(model => model.Client) %>:<%=Html.TextBox( "Client" ) %>
+
+<%= Html.LabelFor(model => model.Client) %>:
+   <% Client.Value = Model.Client ; %>
+	 <yavsc:InputUserName id="Client" name="Client" runat="server">
+	 </yavsc:InputUserName> 
+ 		
 <%= Html.ValidationMessage("Client", "*") %>
 <br/>
 <%= Html.LabelFor(model => model.Description) %>:<%=Html.TextArea( "Description") %>
diff --git a/yavscModel/LocalizedText.Designer.cs b/yavscModel/LocalizedText.Designer.cs
index 95e1904a..5982ea96 100644
--- a/yavscModel/LocalizedText.Designer.cs
+++ b/yavscModel/LocalizedText.Designer.cs
@@ -178,6 +178,12 @@ namespace Yavsc.Model {
             }
         }
         
+        public static string DuplicateUserName {
+            get {
+                return ResourceManager.GetString("DuplicateUserName", resourceCulture);
+            }
+        }
+        
         public static string Tex_version {
             get {
                 return ResourceManager.GetString("Tex_version", resourceCulture);
@@ -208,6 +214,12 @@ namespace Yavsc.Model {
             }
         }
         
+        public static string DuplicateEmail {
+            get {
+                return ResourceManager.GetString("DuplicateEmail", resourceCulture);
+            }
+        }
+        
         public static string Product_reference {
             get {
                 return ResourceManager.GetString("Product_reference", resourceCulture);
diff --git a/yavscModel/LocalizedText.resx b/yavscModel/LocalizedText.resx
index 52cd3306..ede55f56 100644
--- a/yavscModel/LocalizedText.resx
+++ b/yavscModel/LocalizedText.resx
@@ -47,4 +47,6 @@
 	 <data name="role_created"><value>role created</value></data>
     <data name="Item_added_to_basket"><value>Item added to basket</value></data>
     <data name="Estimate_not_found"><value>Estimate not found</value></data>
+    <data name="DuplicateEmail"><value>This email adress is already used ({0}).</value></data>
+    <data name="DuplicateUserName"><value>This user name is already used ({0}).</value></data>
 	</root>
diff --git a/yavscModel/RolesAndMemebers/RegisterModel.cs b/yavscModel/RolesAndMemebers/RegisterModel.cs
index 02d0fb47..794e6ae0 100644
--- a/yavscModel/RolesAndMemebers/RegisterModel.cs
+++ b/yavscModel/RolesAndMemebers/RegisterModel.cs
@@ -25,6 +25,7 @@ using System.ComponentModel.DataAnnotations;
 
 namespace Yavsc.Model.RolesAndMembers
 {
+
 	/// <summary>
 	/// Register view model.
 	/// </summary>
@@ -53,6 +54,13 @@ namespace Yavsc.Model.RolesAndMembers
 		[DisplayName("Adresse e-mail")]
 		[Required(ErrorMessage = "S'il vous plait, entrez un e-mail valide")]
 		public string Email { get; set; }
+
+		public bool IsApprouved { get; set; }
+
+		public RegisterModel()
+		{
+			IsApprouved = false;
+		}
 	}
 	
 }