AJAX :: Do Toolkit Extenders Participate In Server Side Validation

Oct 29, 2010

If I use the extenders (for example mask edit) in place of some of the built in validators such as RegularExpressionValidator for exampe, will Page.Validate() still be called automatically and perform server side validation using the extenders?

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AJAX :: Moving Toolkit Extenders Code To A Different File?

Jun 9, 2010

I am using quite a few AJAX toolkit extenders e.g. RoudnedCorners extender, Watermark extender, etc. in my webpage. The problem is that these extendersadd a lot of script code to my webpage causing performance issue. Also, the presence of these extenders works against search engine as the actual content gets pushed down the page, thereby being risked skipped by search engines.

Is there any way where I can move these AJAX control extenders and/or their generated scripts to a different file ?

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AJAX :: Using Extenders To Make Client-Side?

Sep 10, 2010

I am developing a web application that needs to retrieve, display and write data to an SQL database. I'm trying to use AJAX and Javascripts in order to populate fields, lists and data, and to have button and calendar controls on the page that can update the page without refreshing and losing the data page. Therefore, it's necessary that I find ways to doing as much as possible client-side, without page refreshes.

Now, for security purposes, I've heard that there's a method for retrieving a copy of all relevant data from SQL at loading time, keeping a copy of it, perhaps on a separate page, and send-retrieve-display this data on my page, and then, at Submission time, write this data back to the Server. This is to minimize hits to the Server and to preserve data integrity. I've heard that doing this is called using an Extender, but we can't find examples of how this works so far.

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AJAX :: Validation Callout Extenders Firing When Other Buttons Are Pressed?

Oct 25, 2010

I have several buttons on a page, but have assigned some validators and AJAX validator callout extenders to one button in particular. However, the validator callout extenders seem to be firing even if I press a different button. I thought this was the point of setting a TargetControlID (for the valiator callout extender) and a ControlToValidate for the validator itself!

[Code]....

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Javascript - Client Side Validation And Server Side Validation In Java Script And Respectively ?

Sep 6, 2010

want to know that can we validate a control which is out side a form element in asp.net(server side validation)and outside a form element in html(client side validation) let's take a closer look

<html>
<body>
<input type="text" name="first name"/>
</body>
</html>

can we apply clien side validation on above text box by java script ?in asp.net

<form runat="server">
</form>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

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How To By-pass Client-side Validation To Verify Server-side Validation

Mar 1, 2011

I'm interested in identifying a means to verify the server-side validation is performing as expected, but need to bypass the client-side validation being done using ASP.NET validation controls. To test this, I've tried using the form Poster add-on to Firefox that allowed me to get/modify the page contents and post it, but the .NET framework interpreted the submission as harmful and threw an application error ("A potentially dangerous Request.Form value was detected from the client").I've created a WinForm that includes a WebBrowser control and I'm able to manipulate the contents of the web page and invoke the button click, but am interested in seeing how to allow a postback with invalid input values. I don't want to assume the server-side validation works (even though I do check if Page.IsValid on the server on postback).This submits the web form in the WebBrowseer control and the expected client-side validation fires:
extendedWebBrowser1.Document.GetElementById(formButtonName).InvokeMember("click");
This is how I've manipulated some of the page contents (this just prevents submission):
mshtml.IHTMLDocument2 doc = extendedWebBrowser1.Document.DomDocument as mshtml.IHTMLDocument2;
string html = doc.body.innerHTML;
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doc.body.innerHTML = html.ToString();
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AJAX :: Extenders Are Not Working While Running On IIS Server?

Aug 25, 2010

i have developed a web page using asp.net and ajax.

when i view web page in browser its working, ajax extenders are not working..

but while running on IIS server, they are working.

textboxwatermark extender, validationcallout extender are not working; and when i click on submit button its not validating the text boxes.

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AJAX :: How Not To Load Files On Server In Async File Upload Control When Client Side Validation Fails

Nov 15, 2010

I have a async file upload control and I am doing client side validation for Image."OnClientuploadstarted" I am doing the client side validation.My validation is working fine but my problem is that the file upload control text box goes green (i.e file is loaded on the server) even if the validation fails which is I dont want.What I want is when the client side validation fails the file does not gets loaded on the server and the Async file upload textbox does not goes green.I have goggled but have not found a suitable solution.

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Mvc2 Data Annotations Validation (Client Side Works, Server Side Doesnt?

Aug 12, 2010

I'm using an entity model with metadata annotations. My controller method looks like this...

if (!ModelState.IsValid)
{
return View(model);
}
else
{
UpdateModel(model);
repo.Save();
return RedirectToAction("Index");
}

If I enable client side validation in the view I'll get the error per the Attributes from the metadata class. If I take clientside validation out, error gets thrown from saving to the DB rather than return the view with an Error Summary.

This is the top portion of my view....

<% using (Html.BeginForm())
{%>
<%: Html.ValidationSummary(true) %>

I've tried running without debugging (ctrl + f5) in debug and release mode as well as setting breakpoints and Debugging (f5) but it just seems weird to get Client side validation without server side validation. What am I missing here?

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How To Extend Server-side Validation Controls To Raise An Event If Validation Fails

Feb 23, 2010

I am using ASP.NET's server-side validation. In the page_load event I'm calling Page.Validate(), and if Page.IsValid is not true I'm then polling the controls to figure out which ones are not valid, and then determining what actions to take.It would be much easier if each control would raise an event as validation fails, allowing me to take action for that particular control. I'm very much a naive programmer when it comes to validation, but is there a way to extend these controls so that a validation error raises an event?

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Use AJAX Control Toolkit Client-side Functionality Without IIS?

Feb 8, 2011

I ran an ASP.NET page that i have under development on my local IIS. It uses some dragPanelExtenders as well as some other AJAX Control Toolkit AJAX client side stuff, and in order to show the page to somebody, I wanted to put it up as a plain HTML file, hosted on a live web server (running APACHE). (This is the only public web server I have access to, and I want them to be able to drag some panels and experience the page as it would be when "live")

So, I viewed the page running on my local IIS, then saved the source as a HTML file.

Then copied this HTML file to the web server ( as well as necessary CSS, JS and image files).

When I view this HTML file through the web server, I get this error :

ASP.NET Ajax client-side framework failed to load.

By debugging, I see that the following lines were in my saved HTML :

<script src="/Insata10/WebResource.axd?d=VAXZudqFsChpNfB" type="text/javascript">
<script src="/Insata10/ScriptResource.axd?d=Dwbyv-OIp-kJQdqf_UMh7wUzi2" type="text/javascript">
<script type="text/javascript">
if (typeof(Sys) === 'undefined') throw new Error('ASP.NET Ajax client-side framework failed to load.');

So, at runtime, the referenced resources "ScriptResource.axd" and "WebResource.axd" were not found.

Is there any way to get whatever is needed from those AXD's to my HTML file, without actually executing anything on IIS?

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AJAX :: Validation And Client Side Validation?

Sep 8, 2010

When i use Validator callout extender and as well both client side java script validation , both are not working at a same time.I use java script code for dynamic checkboxes to be atleast one checkbox must be checked.When i use onclient click only javascript validations are fired, when use onclick function javascript code is not working.

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AJAX :: Can Send An Object From Client-side JavaScript To Server-side Code Via AJAX

Mar 16, 2011

I know that I can receive an javascript object from the server via ASP.NET AJAX using Json. But I am not sure how can I send an javascript object from my client-side javascript to my server-side code. And if I can, how can I extract this object in my server-side code and access its members?

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MVC :: Server Side Validation In 2?

Jan 10, 2010

i am following validation code from this link..http://www.dotnetcurry.com/ShowArticle.aspx?ID=413&AspxAutoDetectCookieSupport=1so added dll's Microsoft.Web.Mvc.DataAnnotations, System.ComponentModel.DataAnnotations( i removed this dll and added again). now iam getting this error when iam click on login button.Server Error in '/' Application.Method not found: 'System.Collections.Generic.IDictionary`2<System.String,System.Web.Mvc.ValueProviderResult> System.Web.Mvc.ModelBindingContext.get_ValueProvider()'.

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Sep 6, 2010

i want to know that if apply server side validation on text box then when validation event fire (i means in wich state of page cycle this validation has been done in server side)

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Web Forms :: Server Side Validation In C#?

Nov 9, 2010

if I have done the Validation in .aspx file for Server Side control as

<asp:TextBox ID="TextBox_Phoneno" runat="server" Width="125px" MaxLength="12"></asp:TextBox>
<asp:RegularExpressionValidator id="RegularExpressionValidator2" runat="server"
ControlToValidate="TextBox_Phoneno"
ErrorMessage="Please enter a default 10 digit contact number (eg:111-111-1111)."
ValidationGroup="next3" ValidationExpression="(((d{3}) ?)|(d{3}-))?d{3}-d{4}">*
</asp:RegularExpressionValidator>

should I have to do Server Side code validation in .aspx.cs file also using classes such as RegexStringValidator. Is it not enough to do validation using the above code. Will it work for Server Side also.

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AJAX :: Client Side Validation?

May 31, 2010

I have MaskedEditValidator, which set u pt ovalidate datetime entry into text box. After that the button (html button input control )is pressed in order to start some process. Button is running the client side function (JavaScript).

Now in case of wrong input validator shows proper message, but how I can prevent button to be pressed and start the process. I.e. is it possible to check on client side the status of the validation?

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MVC :: Server Side Validation Does Not Accept Thousandseparator

Feb 9, 2011

I'm using MVC 3 RTM, client side validation has been disabled.I have a simple model with one integer field.Server side validation does not accept numbers including one or more thousandseparators.

It shows: "The value '1,000' is not valid for QuantityInStock".It does not matter what culture I use. Both "1.000" and "1,000" are never accepted.

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MVC :: Using DataAnnotations As Well As Server-side Validation Logic?

Apr 6, 2010

I'm using DataAnnotations as well as server-side validation logic.

Is there a way to show DataAnnotation's client-side validation errors in the ValidationSummary, as it shows when returning from server validation?

I know I can use ValidateMessage and ValidateMessageFor next to elements, but the spacial design of the form I'm working with doesn't allow for anything other than highlighting the HTML element, however, I would still like to have a message saying what's wrong.

If I place ValidateFor's alongside ValidationSummary in order to mimic a ValidationSummary during client-side validation, they both appear when returning from a failed server side validation.

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Web Forms :: Server Side Validation To Allow Only Numbers

Aug 14, 2013

I have one textbox and I want to allow only integer cannot allow character when I entered character to show the error message , this functionality I want create in server side withou using javascript.

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Use Server Side Validation That Asks The User Question?

Jun 15, 2010

I'm trying to use validation (probably utilising the CustomValidator in ASP.NET 2.0) that checks whether a user entered order id already exists in a database, then, if it does exist, display a prompt for the user to ask whether they want to overwrite the order or enter a different order number. I'm not sure how to do this. I know I can use client side validation for the user prompt, and server side validation to check the order number against the database, but I'm not sure how to put the two things together i.e. check the database then, if the order exists, ask the user whether they want to overwrite the current order or go back and enter a new order id.

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C# - Run Javascript Function After Server Side Validation Is Complete?

Mar 26, 2010

I've got a lightbox with a small form (2 fields) in it, inside an UpdatePanel, and I want to close this lightbox (must be done via javascript) when the 'Save' button is pressed.

However, there is a need to have a server-side CustomValidator on the page, and I only want to close the lightbox if this returns as valid.

Does anyone know a way to trigger javascript (or jQuery) code from a server-side validator?

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MVC :: 3 Date Range Client/server Side Validation?

Dec 30, 2010

As they have given option to pass typeof() as first parameter and min-max value.Is there any way we can implement range validator attribute for date by using typeof(datetime) ?please let me know if anyone has implemented same ?

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Server Side Xforms Form Validation And Integration

Mar 22, 2010

I have recently been investigating methods of creating web-based forms for an ASP.NET web application that can be edited and managed at runtime. For example an administrator might wish to add a new validation rule or a new set of fields.

The holy grail would provide a means of specifying a form along with (potentially very complex) arbitrary validation rules, and allocation of data sources for each field. The specification would then be used to update the deployed form in the web application which would then validate submissions both on the client side and on the server side.

My investigations led me to Xforms and a number of technologies that support it. One solution appears to be IBM Lotus Forms, but this requires a very large investment in terms of infrastructure, which makes it infeasible, although the forms designer may be useful as a stand-alone tool for creating the forms. I have also discounted browser plug-ins as the form must be publicly visible and cross-browser compliant.

I have noticed that there are numerous javascript libraries that provide client side implementations given an Xforms schema. These would provide a partial solution but server side validation is still a requirement.

Another option seems to involve the use of server side solutions such as the Java application Orbeon. Orbeon provides a tool for specifying the forms (although not as rich as Lotus Forms Designer), but the most interesting point is that it can translate an XForms schema into an XHTML form complete with validation. The fact that it is written in Java is not a big problem if it is possible to integrate with the existing ASP.NET application.

So my question is whether anyone has done this before. It sounds like a problem that should have been solved but is inherently very complex. It seems possible to use an off-the-shelf tool to design the form and export it to an Xforms schema and xhtml form, and it seems possible to take that xforms schema and form and publish it using a client side library. What seems to be difficult is providing a means of validating the form submission on the server side and integrating the process nicely with .NET (although it seems the .NET community doesn't involve themselves with XForms; please correct me if I'm wrong on this count).

I would be more than happy if a product provided something simple like a web service that could validate a submission against a schema. Maybe Orbeon does this but I'd be grateful if somebody in the know could point me in the right direction before I research it further.

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Ajax - Listbox Items Client Side Reordering Not Reflected In Server Side?

Jan 5, 2010

I reordered some items in a listbox using Javascript. When I read the items in a postback in the code behind (ASP.NET), the order is in the original order. How do I get the same order as shown in the screen after Javascript manipulation?

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