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TextBox Validation Issue

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Shawn
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Shawn asked on 03 Mar 2010, 02:41 PM

1) How can you validate a textbox to look exactly as they do when using the input manager? 


This doesn't give me the same look that the input manager does:
<telerik:RadTextBox ID="txt_Make" Runat="server" Skin="Windows7"  
                        Width="170px"
                    </telerik:RadTextBox> 
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="Required!" ControlToValidate="txt_Make" Display="Dynamic" SetFocusOnError="True"></asp:RequiredFieldValidator> 

I want them to look exactly like the inputmanager:
<telerik:RadInputManager ID="AppInputManager" runat="server" Skin="Windows7"
                  <telerik:TextBoxSetting ErrorMessage="Required!"
                      <TargetControls> 
                          <telerik:TargetInput ControlID="txt_FirstName" /> 
                          <telerik:TargetInput ControlID="txt_LastName" /> 
                          <telerik:TargetInput ControlID="txt_Address" /> 
                          <telerik:TargetInput ControlID="txt_City" /> 
                      </TargetControls> 
                    <Validation IsRequired="True" ValidationGroup="Application"></Validation> 
                  </telerik:TextBoxSetting> 
</telerik:RadInputManager> 




The input manager displays the icon and the message in red INSIDE the control, the validator does not.

I cant use an input manager for some of the fields because they are only required based on user input.  I tried adding an entire new input manager for these fields, but then they always try to get validated - even when hidden.  And I don't want to do a postback - I don't think I can enable and disable the input managers client-side.


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Dimo
Telerik team
answered on 03 Mar 2010, 03:07 PM
Hi Shawn,

In order to display the native invalid state of a RadTextBox, you must use a custom validator. Here is a sample page:

http://www.telerik.com/ClientsFiles/085521_138077_input.zip

Best wishes,
Dimo
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Shawn
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answered on 03 Mar 2010, 03:17 PM
Thanks Dimo, but this doesn't replicate the inputmanager error behavior.  How can I get the error message to appear INSIDE the textbox, just as the im does?
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Dimo
Telerik team
answered on 04 Mar 2010, 09:59 AM
Hi Shawn,

Neither RadTextBox, nor the asp Validator is designed to work that way.

Theoretically, you can set the error message as a RadTextBox value (using the Javascript method, which sets the _invalid property) and it will appear inside the textbox, but the control will think this is a real value, not an error message.

Best wishes,
Dimo
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