.net - DataType Input Validation In .NET?
Nov 3, 2010
I'm working on an application that has a large number of inputs for certain types (50 money inputs, 30 date inputs etc). I have been creating an CompareValidator for each one to make sure users are putting in the correct information but I am curious if there is an easier way to create the validation once and apply it to all desired inputs? Writing out 80 validators that do basically the same thing seems like a waste. Am I missing something that already does this in .NET or are there anything out there that can make validation easier?
Note: All validation needs to be done on both the client AND server side. I've read a little about ASP.NET MVC validation but unfortunately that won't be an option here.
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Aug 5, 2010
I'm currently developping an application using MVC2 and Globalization (fr and de). I'm creating a form who use DataAnnotation on the model for validation, with localized error messages in my dataAnnotations.
Here is the trick :
I have two <input /> :
One for a required date (example : 12/05/2001) wich is a DateTime field in the model :
[Code]....
One for an optionnal hour (example : 22:30) wich is a DateTime? :
[Code]....
Erreur and LibellesSinistre are my ressources files.
I got two problems :
I can enter a date in my hour field and an hour in my date field.My error messages aren't localized.
Do I need a trick or something to make it work ?
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Jan 6, 2011
Is there built-in client side validation when using the [Datatype(DataType.EmailAddress)] attribute on a class in MVC 3. If there is, it's not working for me, and I'm having a heck of a time finding any info on that Datatype. I have found a number of articles on creating custom validation on MVC 2 for email, but being that this Datatype is available and that it's included in the jQuery Validation, I'm assuming that it should be all automatically setup.
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Jan 21, 2010
i am store ms word resume to image(BLOB) data type in sql server 2005. now i want to display this resume in HTML page or in text area. and for that i use
[code]....
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Jun 25, 2010
convert below datetime value which is as varchar datatype to another datetimeformat as varcharchar datatype
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Jul 3, 2010
What is the common practice of input validation? In other words do you check for input validation on client-side, on server-side or on both sides?
Also, if performance is crucial to me, would just the client-side input validation be sufficient for my website without presenting any security risks?
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Apr 25, 2010
I am making some change to my MVC app to allow user to modify their existing email address contained in the profile. I have 'email' and 'confirm email' fields both which load the existing email address when the user enters the edit page (both textboxes are loaded from the same database field). The issue I am having is that when the user edits the 'email' text field and forgets or enters a different address into the 'confirm' field, validation occurs and instead of retaining what the user entered it loads what's contained in the Model when it tried to save into both fields once again (to the user it would appear that validation should not have occurred). I would like validation to fire and retain what the user initially entered in the text boxes.
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Oct 11, 2010
Search thru the wauy to do view input validation, have seen quite often refers this [Required], eg:
public class ProductViewModel {
[Price(MinPrice = 1.99)]
public double Price { get; set; }
[Required]
public string Title { get; set; }
}
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May 12, 2010
Is there any other good control for date field input apart from CalanderExtender of AJAX Control Toolkit?
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Mar 5, 2010
If I have a 3 layer web forms application that takes user input, I know I can validate that input using validation controls in the presentation layer. Should I also validate in the business and data layers as well to protect against SQL injection and also issues? What validations should go in each layer?
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Nov 10, 2010
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i am passing the html to it programatically, and it works, but on postback from page i'am getting the following error:
A potentially dangerous Request.Form value was detected from the client (ctl00$MainContent$responseTextBox=" ...
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Sep 27, 2010
I've got an ASP.NET 4 site on which I want to allow people to put '<' in their password. However, .NET gets in the way by blocking (what it sees as) an attempt to put HTML in a form field. I know I can turn off input validation entirely, but I only want to turn it off for this one field. Does anyone know an easy way to do that?
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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..
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Jan 1, 2011
This might be a silly question, how do you usually response to errors? Response with one error at a time or Response with multiple errors at a time, in a list record
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Invalid API credentials
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Mar 4, 2010
I am using below code to validate interger and float in asp.net but if i not enter decimal than it give me error
<asp:TextBox ID="txtAjaxFloat" runat="server" />
<cc1:FilteredTextBoxExtender ID="FilteredTextBoxExtender1" TargetControlID="txtAjaxFloat" FilterType="Custom, numbers" ValidChars="." runat="server" />
i have this regex also but its giving validation error if i enters only one value after decimal. [URL]
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Jan 15, 2010
I have the following object:
[Code]....
In my edit View, I have the following:
[Code]....
Lastly, my validation in my controller looks like this:
[Code]....
The validation works for both First and Last in that the Validation Message is properly displayed for the appropriate error. However, the input-validation-error class is not being set on the textbox.
How do I ensure that the input-validation-error class gets set on the textbox when the textbox is tied to a field in a nested class of the Model?
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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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Dec 17, 2010
How do I implement client side validation for input fields that have been added to the form dynamically with javascript in an MVC 2 application?
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Dec 24, 2010
How can i make a control required to put input depending on the radiobuttonlist selection? Let me try to clarify a bit more. I got 2 radiobuttons, if one gets selected, nothing else has to be done. But if the otherone gets selected, a textfield must have some input too.
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Jun 18, 2010
I have a custom user control with some input fields and a submit button. I need to validate the fields using the jquery validation plugin when the submit button is clicked. (The function of the submit button is to create another custom control which displays the data entered in the above mentioned control)
Bt as far as I knw, validation plugin works only with form validation ryt? And my custom control does not contain a form tag as I am using master pages. The custom control is present in one of the content pages and the master page already contains a form tag with a runat=server attribute. And I guess one page can contain only a single form tag with runat=server attrib ryt?
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Feb 4, 2010
I was using RangeValidator to validate user input on client side for double values.One of my user said that when he enters 5E-10, my range validator does not understand that number as a valid double.
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Jul 14, 2010
to directly get all elements in a form who contains a non html attribute ?
<input .... customAttribute="validateMe">
So I could find all input elements that will require validation.And use this in a loop to add validation to the input's found :
$('input').attr("customAttribute").val() == "validateMe"
I could also write every validation for each object separately, I have only a few elements who uses a required validation but it would be nice that I could do this in one shot instead of repeating the $("input").rules("add .....
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Jun 23, 2010
I have some code where I need two separate required field validators for one control, both in separate validation groups which are then validated by two separate buttons.This approach works well when the buttons are clicked but both validators show if I enter a value in the textbox and then remove it.
Is there a way to turn this"lost focus" validation off? I only need it to validate when the buttons are clicked.
EDIT,Unfortunately, if I set EnableClientScript=false then I dont have any client notifications. What I want is for the dynamic error message to show (effectivly in the OnClientClick event of the button) but not the "lost focus" of the textbox.Is there some way I can disable or "unhook" the lostfocus client event?
EDIT,A combination dDejan's answer and womp's answeer here sorted the problem perfectly.
My final code looks like this (for anyone else with a similar situation)...
Javascript...
<script type="text/javascript">
$(document).ready(function() { [code]....
So, now there is no validation until a user clicks either the "Get Email Confirmation Code" button or the "Register" button. If they click the "Get Email Confirmation Code" button all of the controls validate apart from the textbox where the user is to input the email validation code and we only see one validator message.
If they click the "Register" Button then all of the controls validate and we only see one validation message.If either button is pressed, the user goes back, adds and then removes some text then we only see one validator. Before this change you used to see both messages saying the same thing.
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Dec 25, 2010
I am using one datalist control for uploading multiple images.I hv used one Asp:FileUplaod Control and one button in one itemtemplate.I am using reqired field validator and regular expression validator for file upload cntrl I am assigning validation group for both of them on ItemDataBound event of my datalist so that each upload cntrl hv same validaton group as required field and regular expression validator.Now what i want to do is - i want to show my error message in validation summary which is right at the top of the page.I want one know how to write javascript that will assign validation group of my control in datalist on which i click ?
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May 27, 2010
how can i generate rtf file based on input field(textbox input by user) c#
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