Ajax - Telerik RadManager And Validators?
Feb 7, 2011
'm trying to use a required field validator along with Telerik's RadAjaxManager.If I'm using a button then there is no problem and a postback does not occur while the field is empty.However, there are some cases where I'm invoking an ajax request manually, and then a validation does not occur and the postback takes place regardless of whether the field is empty or not.Here is an example with both a button and a manual request:
<script type="text/javascript">
$("#spanSubmit").click(function()
{
[code]...
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Jul 21, 2010
I have a page where I am using 2 update panels. The first update panel contains a form that has some validation tied to it. The second on has a simple form, but no validation. When I go to use the form in the second panel, the postback is halted by the validators in the first panel. Everything works as it should when I remove the validators.
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Jan 6, 2011
I have RemoteValidators working correctly on Html.BeginForm. However when I turn this from in Ajax.BeginForm and perform following:1. Type in Textbox whose viewModel Property is bound to a Remote Validator RC2 MVC3
2. Press Submit Button immediately.3. What I observe = data is saved before it the validation completes.
4. On Server UpdateModel works and it finds no issues (even though the remote Validator would have noticed the problem).
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Mar 3, 2010
I am encountering issues in the navigation defined in a master page which are being blocked by validators pages that inherit from the master. How can I disable these validators so that they do not prevent my button actions in the master page?I am using AJAX controls in child pages.
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Oct 30, 2010
i created 2 user controls and called them in two different tab panels.
each user control has few requiredfield validators.
aspx has one updatepanel and that updatepanel holds tabcontainer.
each tabpanel of above tabcontainer holds one user control and a button, so there are 2 tab panels to hold 2 user controls and 2 buttons.
<up>
<tc>
<tp1>[code].....
suppose i dont enter required fields in uc2 and navigated to tp1 n filled all the required fields of uc1 and clicked on bt1.here bt1 click event is not firing as requiredfield validators of uc2 are not passed.how do i make this work?requiredfield validators shud fire for that respective tab usercontrol only not for all the usercontrols.
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Jun 7, 2010
I noticed the calendarextender nor the validators work in my updatepanel.google told me that some dude made some custom validators in 2007.has there been an update on this (I use ajax 3.0).
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May 31, 2013
I have registration form, I want to add popup with loading on register button click and when information submitted popup automatically close...
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Jul 26, 2010
I have a very typical set up, an ajax update panel is updated when a drop list of offices changes. Each form could have it's own values, for instance each store will have it's own list of employees. Here is where the fun begins. The form can be changed by the drop down (new office) or validated and submitted.
On drop down change, I create a new instance of the same rad combo, bind it to the current data, confirm that the correct data is bound. Then on the return trip I see selected the default user from the previous user. This is a composite control, and firebug shows me that the value for the "text box" that simulates the combo still has the old value. I'm suspecting onViewStateLoaded, but turning viewstate off for the Telerik didn't . II don;t need it anyway, cuz I have to put the selected value in another hidden to make a cross page post on submit.
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Jan 26, 2011
i want upload files with Telerik RadUploader.i want show real progress According to file Size.
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Feb 22, 2010
I have a couple of validators on a modal popup. They trigger properly for the controls on the modal. On the main page I have an updatepanel and can commit a save. When I commit a save and go back to the modal popup the validator error messages for both validators appear. Why is this happening and how can I stop it?
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Feb 14, 2011
I have a webpage which includes a telerik grid in ajax mode. The data for the grid is constructed in the controller action used to serve the view, and then stored in the session. 90% of the time its available to the ajax method used to populate the grid. And sometimes its not, which is odd. Some sort of race condition ?
[code]....
So if my session object is null, how can I recover - I guess I need the productModelId and Revision parameters from the original EditImage call. Are they available in the _EISelect in any way - its posted to, and the post contains nothing useful.
Oh to make this possibly harder, this page will be displayed via an inline frame.
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Feb 13, 2010
I was curious if one can use RequiredFieldValidator and other validation controls for client-side validation on a production site?I looked in the docs but could not find any mention of validators.
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Feb 8, 2010
I am creating a page which contains an updatepanel.
In this update panel there is a grid view in which there is a button. on click of this button i m showing a dialog box which takes some inputs and submits data.
However this all is working very fine untill and unless I use some requiredfieldvalidators to validate the input.
when i use validators, these validators works very fine bt the submit button on popup does not work.
I had tried to use validation group but it still does not work at all.
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Jan 5, 2014
i used this link for validation [URL] .....
and its working fine for one one validation. In my design, textbox has multiple validations as required field validator and regular expression validator and this script if not working when i click submit button.
look the below design.aspx
<asp:TextBox runat="server" ID="txtAddFName" MaxLength="20"></asp:TextBox> <asp:TextBoxWatermarkExtender ID="TextBox_FN_TextBoxWatermarkExtender" WatermarkText="First Name" runat="server" Enabled="True" TargetControlID="txtAddFName" WatermarkCssClass="WaterMarkedTextBox"> </asp:TextBoxWatermarkExtender><asp:RequiredFieldValidator runat="server" ID="rfvFName" ControlToValidate="txtAddFName"ErrorMessage="*"
[Code].....Â
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Sep 3, 2010
I have defined a field validator that works fine on normal behavior on a page:
<asp:RequiredFieldValidator runat="server" ErrorMessage="errroooorr" ControlToValidate="TextBoxHouseNumber" Display="Dynamic"></asp:RequiredFieldValidator>
Now if I dont insert any text in the TextBoxHouseNumber field, and push submit, the FieldValidator fires as it should. But if I now click a button that automatically fills the TextBoxHouseNumber with text from a Jquery/Ajax function, the field validator still shows. It´s like "Hey, the user hasnt made any changes to the textbox, so I wont bother check it".
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May 24, 2010
I tried these solution in htis
http://blogs.telerik.com/atanaskorchev/posts/09-03-06/Meet_Telerik_Web_Design_dll.aspx but not work.
Hint: Win7, vs2008.
The installation type of Telerik is "ZIP" and not "exe".
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Aug 27, 2010
can we use the same validator of a control for two different buttons, or do we need to write add a validator for each control for two different buttons.
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Jan 11, 2011
I recently upgraded my web app to .net 4 and was surprised to see that the validator controls are no longer red. People are calling up all confused because they can't see the error messages now.Any idea how to fix this in one go? I know I can do a kludge like forecolor=red on every single validator control, but that's ugly. I don't want to go back to <pages controlRenderingCompatabilityVersion="3.5" /> because it's time to move forward, but I do want validator controls people can actually see.
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Jan 26, 2011
I have a hyperlink on my master page that directs me to the homepage. It works on every page except a page that has validators.How do I make the hyperlink work?
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Sep 19, 2010
I'm in the process of building a web cms platform. And I've come to a point where I have to choose what actually goes in the pages (I've been building the "core" for now). What do you think is the best option and could you give me your reasons for choosing that?
Currently I'm looking at jQuery UI, Telerik, and I'm also juggling with the idea of just building controls by myself, but I think that's too much of a hassle for little gain...
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Nov 18, 2010
Given an ASPX page with a textbox, a requiredfieldvalidator, and 2 buttons.If I want to only have the requiredfieldvalidator validate that data is in the textbox if button1 is clicked but not button2, is my only option to set EnableClientScript to false and do validation on the postback?Or have they implemented a way where you can still do the client side validation, but specify for it to only occur if button1 is clicked and not button2?
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Mar 25, 2011
I'm trying to implement client validation for my custom type, however i'm not sure how to do it for min/max validators.
[MultilanguagePropertyRequired(ErrorMessageResourceName = "fld_Description_val_Required", ErrorMessageResourceType = typeof(Resources.Service.Controllers.Firm))]
[MultilanguagePropertyStringLength(1000, MinimumLength = 150, ErrorMessageResourceName = "fld_Description_val_MinLength_lbl", ErrorMessageResourceType = typeof(Resources.Service.Controllers.Firm))]
[Display(Name = "fld_Description_lbl", ResourceType = typeof(Resources.Service.Controllers.Firm))]
public MultilanguageProperty<string> Description
[code]...
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Sep 7, 2010
I can't seem to get any sort of validator to fire when validating my DropDownList. I just want to make sure that it isn't left at "--Select--" when the user presses the Add button on the page. I've tried a range validator and required field validator and neither seem to fire at all. My DropDownList contains ID which is an int that is hidden and Name which is a string that is displayed. The ID is -1 for "--Select--". I use these all the time and can't understand why the page in this new solution is any different from other solutions I have done in the past. What have I missed?
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Feb 22, 2011
I have to validate that the year entered must be less than or equals to the current year. I am using server side validators in ASP.Net and C#, and all validators are inside a validator group.
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Mar 7, 2011
Imagine the scenario of a contact form, whereby data is to be collected and further transmitted via email to the appropriate address. One of the important fields asks for an email address, pretty vital to instrumenting the call-back. So say I check for the entry of something, anything, in the mail address field using a RequiredFieldValidator; a further check in code will determine if the mail address supplied is usable, or not. Given that both of these checks are essentially validation, I would simply like to reuse the RequiredFieldValidator from my code-behind; is this possible? For example, something as simple as:
MyValidator.Show();
return;
What I have done in the past is add a Label to the form as well, and just use a similar tactic, only making the control visible as needs be and returning. Ideally I'd like to get rid of this altogether and simply use one control to output my error message. For an idea of current code, below is a skeletal listing, which, even as such, is the concept in its entirety: Within the page:
<asp:TextBox runat="server" ID="MailAddressTextBox" />
<asp:RequiredFieldValidator runat="server" ID="MailAddressValidator" ErrorMessage="Enter a valid mail address" ControlToValidate="MailAddressTextBox" />
<asp:Label runat="server" ID="MailAddressError" Text="Enter a valid mail address" Visible="false" />
And within the code-behind:
MailAddress enquirerMail;
try
{
enquirerMail = new MailAddress(MailAddressTextBox.Text);
}
catch
{
MailAddressError.Visible = true;
return;
}
The pitfall with the approach of hiding/showing error labels, other than the obvious of extra controls, is the maintenance of their visibility, and also a label for each error, or lists of messages and in-code alterations to the display.
Also, multiple validators is something I want to avoid, at least in this particular instance; a RegularExpressionValidator won't cut it here, as we all know just selecting the 'best' regex for parsing mail addresses can be a feat in itself, or maybe it will contain more characters than the actual page content + markup. Another reason for my aversion to regex, should you need one, is that, ultimately, I have to implement the above try/catch validation regardless, as even a 'validated' address may cause failure in the MailAddress constructor.
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