MVC :: Check Form Input Is Valid On Submit?
Jan 13, 2010
I have a form that when submitted shows a busy animation and disables the submit button.
Anyone know how to query Microsoft's Sys.Mvc.FormValidation to see if the form passed it's test so I can prevent the busy animation showing if the form hasn't actually been submitted? Or even some other work-around? In case it's relevant - I'm using Data Annotations for my validation.
At present my client side javascript looks like this:
[Code]....
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Sep 6, 2010
I have an ASP.NET application designed for a Windows CE device that needs to take in information from a scanned barcode. The device sends the scanned data as string input with a crlf to whatever field has focus. I set up my page with a textbox that takes the input and posts back to look up the item.
Now, I'd like that box to not be visible to the user, but IE complains when I set focus to it if the field is "visibility: hidden" or "display: none". I've tried moving it off screen using absolute coordinates, but setting the focus scrolls the window to the new location.
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Aug 20, 2010
I'm using Josh Bush's MaskedInput plugin for jQuery in an ASP.NET 3.5 Webform app. How to get rid from the literals in the code-behind file after form submit? E.g: a phone input with the mask $("#txtPhone").mask("(99)9999-9999");
In the code-behind:
string customerPhone = txtPhone.Text
Which returns me: (12)3456-7890
But this is what I want: 1234567890
In the plugins changelog page it says I can use mask() method with no arguments to archieve this. But how to do it from the code-behind?!
EDIT
I want to send to the server the unmasked value. How to do that?
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Nov 9, 2010
I need to select Merchants(Merchant ID) dynamically,ie I am in a situation where I cannot place the static code like action=https://checkout.google.com/api/checkout/v2/checkoutForm/Merchant/1234567890 accept-charset="utf-8">
I would like to pass the MerchantID as a input parameter,ie I would like my site clients to choose their desired merchants dynamically... something like <input type="hidden" name="MerchantID" value="1234567890">
This is very much POSSIBLE with PAYPAL...but i need it from google....
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Apr 19, 2010
Is there any reliable way to check if user has entered Arabic words into a form and tries to submit it? Can Javascript handle this? Or, only server script like .NET can do this?
I'm thinking that if possible the script should directly prevent the user from inputting Arabic words into the form and show an alert pop up.
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May 4, 2010
want animation that whenever user input data in form and click on submit then there play animation please wait
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Aug 24, 2010
I've tried to override error message when input incorrect data type in input field on HTML form.For example I have the model like this.
public class Person
{
public string FirstName {get;set;}
public int Age {get;set;}
}
For view, I put text input for Age to get it value.When type some string in Age text box like 'test' and press submit button.
I got this error message ,The value 'xxx' is not valid for AgeHowever, I want to change this message and try many way. There 's nothing effect this message value.
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Feb 25, 2011
how to protect form action if form is not valid based on javascript validation in mvc?
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Jun 8, 2010
I have a web form called default.aspx which has a form with user information. In addition to this, I have an iFrame on the same page that displays a page Secondary-Form.aspx that has a few additional dynamic data fields. I need to do two things.
1. I need to pass the parent form data in real time to the iFrame page to refresh its content and modify it's fields accordingly. Example: If the user submits their Vehicle Choice as Car on parent form, the form item in iFrame will display a radio button that says Honda, and if the user submits their Vehicle Choice as MotorCycle in the parent page, the iFrame will display Harley Davidson as the radio button choice
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May 7, 2010
A long running background process creates a text file to indicate the completion of the process. From the frontend, I'd need to check every few seconds if the text file has been created or not.
I am doing this check from http://DomainA.com However the file is created in http://DomainB.com/Mytext.txt
write a jquery script that checks for a file across domain?
PS: Currently, I am doing a ajax postback that executes a WebMethod in ASP.NET that creates HttpWebRequest. This works functionally, but I have major performance problems. So, I need a light weight way of finding if a URL is valid or not.
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Apr 8, 2010
how to check whether users is authenticated and session is valid on pages after say 30 mins.
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Feb 19, 2010
I'm using ASP.NET Membership and Form Authentication and before redirecting to the returnURL I wanted to validate it. For those unfamiliar with the workflow, basically if you request a page that requires that you are authenticated, you are redirected to a login page. In the URL string you'll see a parameter called returnURL, e.g. [URL]
Whether you use this in a redirect such as Response.Redirect(returnURL) or indirectly through the FormsAuthentication.RedirectFromLoginPage method, it passes without validating returnURL.
FormsAuthentication.RedirectFromLoginPage does have a security check that it is isn't leaving the domain, but that still doesn't stop someone from putting enough random characters to cause an error.
I tried using System.IO.File.Exists(Server.MapPath(returnURL)) but given enough illegal characters it cause Server.MapPath to error.
Note: URLEncoding doesn't work because we are not cleaning a parameter, but the primary URL.
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Apr 4, 2011
I want check that that provided Rss feed Link Is valid or not and is it working right now?
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Jun 30, 2010
If you have a page with an <asp:TextBox TextMode="Password" ... />.How can you keep the value after a postback?
This is my problem:At the registration screen of my app you need to enter a password. Then you click submit, a postback occurs and the password fields are cleared, how can I prevent the password field from clearing?
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Oct 3, 2010
i have post detail page (asp.net, umbraco cms), with search box and post replay box.the problem is that when user try to search using the search box, it cause validation error in the post replay box.the search is client side form.the post replay is server side form.you can view it live at:[URL]
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Feb 28, 2011
I have two asp.net applications webapp1 and webapp2, in each application i have a asp.net form Deafult.aspx
I want to do a form submit from Default.aspx in webapp1 and recieve the value in webapp2.
I tried to do it with simply setting action ="webapp2 location" but it is throwing the bellow error
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
I even added the machinekey element to web.config
but it is still showing the same error.
This is the code for webapp1 form which sends data to webapp2
[Code]....
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May 19, 2010
Below is my code:
<asp:TextBox
ID="FromDateTextBox"
runat="server" />
<asp:ImageButton
ID="FromDateImageButton"
runat="server"
ImageUrl="~/images/calander.png" />
<ajaxkit:CalendarExtender
ID="FromDate"
runat="server"
TargetControlID="FromDateTextBox"
CssClass="CalanderControl"
PopupButtonID="FromDateImageButton"
Enabled="True" />
<ajaxkit:MaskedEditExtender
id="FromDateMaskedEditExtender"
runat="server"
targetcontrolid="FromDateTextBox"
Mask="99/99/9999"
messagevalidatortip="true"
onfocuscssclass="MaskedEditFocus"
oninvalidcssclass="MaskedEditError"
masktype="Date"
displaymoney="Left"
acceptnegative="Left"..........
I've set Culture="auto" UICulture="auto" in @Page directive and EnableScriptGlobalization="true" EnableScriptLocalization="true" in script manager to have client culture specific date format in my textbox.
I also have a Go button on my page on which I will do a partial post back. So, I want to validate the FromDateTextBox in javascript when the Go button is clicked.
UPDATE
I know how to create a javascript click handler. But because masked editor is already validating the date on focus shift, I'm thinking there should be some boolean property (like IsValid) exposed by it which will allow me to see if the text box contains valid date.
FURTHER TRIALS
I also tried below code and Page_Validators[f].isvalid always returns true even when the date is invalid and MaskEditValidator shows me a red star near the Text box.
function isDateValid() {
var b = true;
for (var f = 0; f < Page_Validators.length; f++) {
if (!Page_Validators[f].isvalid)
b = false;
}
return b;
}
$('#GoButton').click(function() {
if (!isDateValid()) {
return false;
}
loadProducts();
});
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Apr 4, 2013
Can we check that user entering an email id is really exists or in working???
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Nov 24, 2010
I am using Update Panel in my asp page and I am doing JQuery Validation on Asynchronous Postback...I just want to validate my form on only button clicks or submits..My problem is..all my buttons are in different formviews and won't load at a time...that's why I am unable to take the button id's and use the click events..here is my code..
Sys.WebForms.PageRequestManager.getInstance().add_initializeRequest(ValidateMyForm);
function ValidateMyForm(sender, args) {
var objPost = args.get_postBackElement(); [code]..
All I want to do is: 2nd time validation on only button submit not for everything...I do get other postbacks on this page and those post backs also gets validated each time (I want to Avoid this)...
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Jul 13, 2010
I am quite new to MVC development and facing some basic issues.
I am having a form on which I am taking input form user. It is bould to one of the properties on Model class.
I am having a submit button
<input type="submit" value="Save"/>
Now I want to call Save Action in my controller on click on this Save button.
But it is not working. I have checked on following things:
1. My HTML page is correctly point to the controller
2. I have written HTML code as
<%= HTML.BeginForm("Save","ControllerName", FormMethod.Post); %>
<input type="submit" value="Save"/>
<%= HTML.EndForm();%>
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Mar 12, 2011
I'm a total newbie with MVC -- learning it with MVC3 using Razor.
I just watched the video on PluralSight and was just following along with the example. I created my own Movie and MovieRepository objects. I then created a strongly typed view for adding a new movie. This is what's in the view:
[Code]....
My Movie object looks like this:
[Code]....
If I click submit without entering anything in the input field, I get validation messages i.e. The Rating field is required or if I enter non-numeric data, I get The field Rating must be a number.
I didn't wire this and wanted to understand where this is coming from.
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Aug 21, 2010
I have the standard .net login control that is working. (Still learning .net after 15yrs of classic)
What I want to do is OnButtonClick run a javascript function (to do an ajax call to the db to check if login is valid or not) and if it returns true, then submit the form normally, else don't submit. The piece that I can't figure out, is how to correctly override the default click even to hit my JS routine and then submit the form properly afterwards.
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Jan 19, 2011
I've added some validation to a text box which works, only the code behind on the image button executes even if the validation shows a problem. I need some way of testing the validation and blocking the code behind from running. He's my code:
[Code]....
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Jul 9, 2010
I have a quite complex model which has an image as a part of it. While uploding the image i get the following error "The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or a non-white space character among the padding characters"
[code]....
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Feb 3, 2011
I have a problem with deserializing in C#/ASP.NET, which gives the exact error:
The input stream is not a valid binary format. The starting contents (in bytes) are: 41-41-45-41-41-41-44-2F-2F-2F-2F-2F-41-51-41-41-41 ...
What I am trying to do
I have a structure with 3 classes. I have a class A which is a base class, and then class B and C which are derived from A.
I am trying to store random types of B and C in the database using LINQ to SQL, in a column with the type VARCHAR(MAX).
I cannot use BINARY as the length is around 15.000.
My code...
[code]...
So the error happends when the first Deserialize method is run, with the above error.
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