PasswordStrength control gives error

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Hi,

I download Ajax Toolkit and added it to my toolbox panel in VS 2008. I installed Microsoft .Net 4.

When i use any ajax control, the below problem happens. For example to use PasswordStrength below error happend:
The TargetControlID of 'PasswordStrength1' is not valid. The value cannot be null or empty.

What should i do in order to resolve this problem?
Thanks

Posted 3-Jul-10 23:21pm

hamid.mohammadi.68

Updated 4-Jul-10 0:35am

Sandeep Mewara

v4

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Sandeep Mewara 4-Jul-10 6:35am

Re-worded and removed typos.

1 solution

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Sandeep Mewara · Accepted Answer · 2010-07-04T00:33:00

Solution 1

Well, you need to read/know on how to use AjaxControlToolkit controls.

It's very clear that you tried to use a PasswordStrength control. When you were using it, you have not assigned controls action/trigger connected to any other control.
For example, you want that this control checks if the given password in TextBoxA is fine or not. There can be multiple textboxes on the page. Thus, In order to tell PasswordStrength control that you want to check TextBoxA value's strength, you need to connect that to it. This connection can be done using property 'TargetControlID' of the PasswordStrength control.

Just put the property TargetControlID="txtBoxPassword" and you should be done.

Look at the sample here:
PasswordStrength Demonstration[^]

Posted 4-Jul-10 0:33am

Sandeep Mewara

Comments

hamid.mohammadi.68 4-Jul-10 6:46am

I download codes and videos from asp.net/ajax but don't run correctly in my pc when i practice by codes error happend.
i changes assemblies in web.config but error happend again.
i add
<add namespace="AjaxControlToolkit" assembly="AjaxControlToolkit" tagprefix="ajaxToolkit">
below
<add tagprefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
to my web.config
but another error occured :
vs don't accept asp prefix such asp:ScriptManager

Sandeep Mewara 4-Jul-10 6:57am

Make sure you have installed AjaxToolkit such that you have System.Web.Extensions.dll
Refer that in your project if needed.

Sandeep Mewara 4-Jul-10 6:59am

Also, make sure your website is AJAX enabled as that would change the Web.config to required need.

hamid.mohammadi.68 4-Jul-10 8:07am

i've sownload ajaxextension and website run correctly
thanks!