MVC :: The Form Is Submitted, The Server Side Validation Trips And I'm Told The Entry Is Invalid?
Jun 27, 2010
I've got my validation wired up through my Service layer, and my Birthdate property looks like this.
[Code]....
The client side validation works properly if I input something like `12/12/1990` but when the form is submitted, the server side validation trips and I'm told the entry is invalid. I'm using the jQuery-UI Datepicker to input the date, however when I disable the datepicker, the problem persists.Am I missing something here? I thought the client side and server side would be the same thing.If I remove
[Code]....
Then the form submits. It's obviously something to do with the Regex.
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Apr 7, 2010
Using ASP.NET VB, I have a form with some text boxes and a Gridview. If a user clicks the Edit button on a row in the gridview, and then tries to submit the form with a row still in edit mode on the Gridview, this error is generated -
"Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. "
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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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Feb 23, 2010
if screen reader fill any content wrong then how to give info (if javascript is disabled) to user to go that field any fill the correct value. with jvascript we can show javascript alert but if js is disabled then? I need solution for asp.net 20 and PHP both.
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Nov 3, 2010
how i will prevent user to resend data from refreshing URL. actually after posting data to the server and returning back data by the server to the client. if user refresh the url address then again it send back to the server withe previous data. so how can i prevent it by c#, asp.net.
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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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Jun 25, 2010
I've got the following View
[Code]....
The problem is that when I submit a blank form back to the controller, I get redirected to the "its valid" page, meaning that the form passed validation.
What might I be doing wrong?
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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;
html.Replace("Page_ValidationActive = false", "Page_ValidationActive = true");
doc.body.innerHTML = html.ToString();
extendedWebBrowser1.Document.GetElementById(formButtonName).InvokeMember("click");
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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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Mar 9, 2011
I have and problem of validate my element from the out side the form tag.
Here I am describe what I have done and what i need :
[code]...
now this TxtSite element is out side that SiteDetail form and i want to validate this element when i have submit data this validation should be validate.
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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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Jul 12, 2010
In my application users submit a certain form. I'd like to email specific people once the form has been submitted. How do I do this? In the code behind? I'd like to create a default email that is sent out after the form has been submitted with information about the form that has just been submitted. I'm writing in VB.
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Dec 9, 2010
Is there any way to add a confirmation dialog to a submit button when the form already has other validation controls and a summary control using "showmessagebox=true"? I tried adding
OnClientClick="return confirm('Are you sure?');" to the submit button, but that seems to block all of the other validation?
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Mar 7, 2010
Here is the code I have so far:
[code]....
When I click submit, It does the validation on the server side, I kinda like it to validate on the Client instead of taking a trip to the server right away.
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Aug 18, 2015
im trying to set focus in my textbox with validation request but its not working.
<asp:TabContainer ID="TabContainer1" runat="server" ActiveTabIndex="0" OnClientActiveTabChanged = "clientActiveTabChanged">
<asp:TabPanel runat="server" HeaderText="Personal" ID="TabPanel1">
[Code]....
when im in next tab its not return me where is the validation is.
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May 19, 2010
I have created a .aspx page that contains a web form. The information in the form is submitted to a companies web site and once accepted is manipulated by the company.
This all works wonderful.
My problem is that once the data submitted to their site my page receives a response code. (1 = Member Added, 2 = Updated Member...)
How do I go about capturing this response code? Currently I end up with a blank page and a number in the upper left corner.
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Jan 25, 2011
Its hard to describe in short what i would like to do.
I have a form that a user fills and then submits the data into a database, it needs to be approved in several places before its finalized. It sends out an email with information to the approver, what i would like is a link in the email so that the approver is swiftly taken to the next step in the process.
The next step in the process looks something like this
http://localhost:2876/CPNCMS/visitoraccess/InitApprove.aspx?Id=22
the sql submission looks like this
[Code]....
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May 27, 2010
I have a webform (parent) with embedded webgrid(child) which uses sqldatasource. What I wanted to accomplish is to save both the form data and the grid data when the Save button is clicked. I tried to save form data(parent) in sqldatasource1_inserting event, does not work. I think there should be a way to do it, just do not know how.
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Sep 20, 2015
I have a submit button that saves record successfully.
The problem i have with it is that it can only show ModalPopupExtender after the first save(first click of the submit button).On the second click of the submit button it doesn't show ModalPopupExtender even though record is saved.How do i go about it.
Here is my markup:
<asp:UpdatePanel runat="server" ID="upMain" UpdateMode="Conditional" ChildrenAsTriggers ="true" >
<ContentTemplate>
<asp:LinkButton ID="lbtn" runat="server" >LinkButton</asp:LinkButton>
[Code].....
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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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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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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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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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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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