ajax tabcontroltoolkit giving error in design phase

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hi,
am using ajax toolkit for tab control.while running it's showing properly ,but when i observe in design it showing:
Error creating control :unknown server tag ajax:TabContainer

code for this is:

C#

<pre lang="c#"><%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Admin.aspx.cs" Inherits="Online_Billing_System.Admin" %>
<%@ Register Namespace="AjaxControlToolkit" Assembly="AjaxControlToolkit" tagPrefix="ajax" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1"  runat="server">
<title>Admin</title>
    <style type="text/css">
        .style1
        {
            width: 151px;
        }
    </style>
    
</head>
<body>
<form id="form1"  runat="server">
<ajax:ToolkitScriptManager ID="scriptmanager1"  runat="server">
</ajax:ToolkitScriptManager>
<div style=" width:89%">
<ajax:TabContainer ID="adminTabContainer"   runat="server"  ActiveTabIndex="0">
<ajax:TabPanel ID="tbpnladd"  runat="server" ><HeaderTemplate>Add Member</HeaderTemplate><ContentTemplate>
    <asp:Panel ID="AddMem" runat="server" Width="738px">
        <table align="center" 
            style="width: 651px"><tr><td></td><td align="right" ></td><td align="center">Add Member </td></tr><tr><td></td><td align="right" >Member ID: </td><td><asp:TextBox ID="txtmemid" runat="server"></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
            ErrorMessage=" Enter Member ID " ControlToValidate="txtmemid" 
            ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right" >Card ID: </td><td><asp:TextBox ID="txtcardid" runat="server" ></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" 
                ErrorMessage="Enter Card ID" ControlToValidate="txtcardid" ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right">Name: </td><td><asp:TextBox ID="txtname" runat="server"></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ErrorMessage="Enter Name" ControlToValidate="txtname" ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right">Date Of Membership: </td><td>
<asp:TextBox ID="txtdate" runat="server"  
       ></asp:TextBox> </td><td><ajax:CalendarExtender  ID="calendar1" 
                    TargetControlID="txtdate"  runat="server" PopupButtonID="calendar" 
                    Format="yyyy-MM-dd" Enabled="True"></ajax:CalendarExtender></td>
    
            <td class="style1">
<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server" ErrorMessage="Enter Date Of Membership" ControlToValidate="txtdate" ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right">Opening Balance: </td><td><asp:TextBox ID="txtopenbal" runat="server"></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator5" runat="server" ErrorMessage="Enter Opening Balance" ControlToValidate="txtopenbal" ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right" >Phone No: </td><td><asp:TextBox ID="txtphone" runat="server"></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server" ErrorMessage="Enter Phone No" ControlToValidate="txtphone" ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right" >Address: </td><td align="left"><asp:TextBox ID="txtaddress" runat="server"></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator7" runat="server" ErrorMessage="Enter Address" ControlToValidate="txtaddress" ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right">Password:</td><td align="left">
                <asp:TextBox ID="txtpwd" runat="server" TextMode="Password"></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator8" runat="server" ErrorMessage="Enter Password" ControlToValidate="txtpwd" ForeColor="Red"></asp:RequiredFieldValidator></td></tr><tr><td></td><td align="right">Confirm Password</td><td align="left">
                <asp:TextBox ID="txtconfirmpwd" runat="server" TextMode="Password"></asp:TextBox></td><td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator9" runat="server" ErrorMessage="Enter Confirm Password" ControlToValidate="txtconfirmpwd" ForeColor="Red"></asp:RequiredFieldValidator></td><td><asp:CompareValidator ID="CompareValidator1" runat="server" ControlToCompare="txtpwd" ControlToValidate="txtconfirmpwd" ErrorMessage="Passwords Don't Match" ForeColor="Red"></asp:CompareValidator></td></tr><tr><td></td><td></td><td align="left" >
    <asp:Button ID="btnok" runat="server" Text="OK" onclick="btnok_Click"/>
    <asp:Button ID="btncancel" runat="server" Text="Cancel" 
        onclick="btncancel_Click"/></td></tr></table></asp:Panel></ContentTemplate>
</ajax:TabPanel>
<ajax:TabPanel ID="tbpnledit"  runat="server" ><HeaderTemplate>Edit Member</HeaderTemplate><ContentTemplate><asp:Panel ID="EditMem" runat="server"><table align="center"><tr><td align="right" colspan="2" ></td><td>Edit Member </td></tr><tr><td align="right" colspan="2">Member ID: </td><td><asp:TextBox ID="txtememid" runat="server"></asp:TextBox> </td></tr><tr><td align="right" colspan="2">Card ID: </td><td><asp:TextBox ID="txtecardid" runat="server"></asp:TextBox> </td></tr><tr> <td>
    <asp:Button ID="btneok" runat="server" Text="OK" colspan="2" align="center" 
        onclick="btneok_Click" Width="90px" /></td><td>
    <asp:Button ID="btnecancel" runat="server" Text="Cancel" 
        onclick="btnecancel_Click" Width="70px" /></td></tr></table></asp:Panel></ContentTemplate>
</ajax:TabPanel>
<ajax:TabPanel ID="tbpnldelete"  runat="server" ><HeaderTemplate>Delete Member</HeaderTemplate><ContentTemplate><asp:Panel ID="DeleteMem" runat="server"><table align="center"><tr><td></td><td align="right" ></td><td class="style1">Delete Member </td></tr><tr><td></td><td align="right">Member ID: </td><td class="style1"><asp:TextBox ID="txtdmemid" runat="server"></asp:TextBox> </td></tr><tr><td></td><td align="right">Card ID: </td><td class="style1"><asp:TextBox ID="txtdcardid" runat="server"></asp:TextBox> </td></tr><tr><td></td><td align="right"><asp:Button ID="btndok" runat="server" Text="OK" /> </td><td class="style1"><asp:Button ID="btndcancel" runat="server" Text="Cancel"/> </td></tr></table></asp:Panel></ContentTemplate>
</ajax:TabPanel>
<ajax:TabPanel ID="tbpnlview"  runat="server" ><HeaderTemplate>View Member</HeaderTemplate><ContentTemplate><asp:Panel ID="ViewMem" runat="server"><table align="center"><tr><td></td><td align="right" ></td><td class="style1">View Member </td></tr><tr><td></td><td align="right">Member ID: </td><td class="style1"><asp:TextBox ID="txtvmemid" runat="server"></asp:TextBox> </td></tr><tr><td></td><td align="right">Card ID: </td><td class="style1"><asp:TextBox ID="txtvcardid" runat="server"></asp:TextBox> </td></tr><tr><td></td><td align="right"><asp:Button ID="btnvok" runat="server" Text="OK" /> </td><td class="style1"><asp:Button ID="btnvcancel" runat="server" Text="Cancel"/> </td></tr></table></asp:Panel></ContentTemplate>
</ajax:TabPanel>
<ajax:TabPanel ID="tbpnlviewall"  runat="server" ><HeaderTemplate>View All</HeaderTemplate><ContentTemplate><asp:Panel ID="ViewAllMem" runat="server"></asp:Panel></ContentTemplate>
</ajax:TabPanel>
<ajax:TabPanel ID="tbpnlsetting"  runat="server" ><HeaderTemplate>Settings</HeaderTemplate><ContentTemplate><asp:Panel ID="settings" runat="server"></asp:Panel></ContentTemplate>
</ajax:TabPanel>
</ajax:TabContainer>
</div>
</form>
</body>
</html>

Posted 16-Jan-14 20:43pm

Member 10263519

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Comments

joginder-banger 17-Jan-14 2:58am

it's working on my system.

Member 10263519 17-Jan-14 3:00am

when am debugging it's working , but in design it's showing error,
what's the problem

joginder-banger 17-Jan-14 3:04am

no it's also design time working fine. remove and install again.

Member 10263519 17-Jan-14 3:27am

how to remove and install.

i was added ajaxControlToolkit.dll in references and added declaration tag to register

except this shall i need to do any changes in system.web , if so how to do that

Member 10263519 17-Jan-14 3:30am

i was closed vs and again opened that project , it's displaying in design time ,but in design tabs are in vertical but i need in horizontal. in debugging it's showing properly.

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