requiredfieldvalidator

Change Text Box Color using Required Field Validator. No Extender Controls Please

I need to change color of TextBox whenever its required field validator is fired on Clicking the Submit button ...

Automatically mark ASP.Net controls which have a RequiredFieldValidator on them

Is there a clean and centralized way to automatically designate a background color or other CSS property for ASP.Net controls (i.e. a TextBox) with an enabled RequiredFieldValidator? Currently I have manually set the background color of required controls to yellow. I would like to replace that with a central method so if the client requ...

How to control which validators are used in a DataGrid

I'm developing a web page in Asp.Net 1.1 and have a DataGrid which allows users to add, edit, and delete database records. The footer row contains textboxes to allow the adding of new records. For each column I've defined <ItemTemplate>, <EditItemTemplate> and <FooterItemTemplate> elements. The FooterItemTemplate and EditItemTemplate e...

Which event to do I programatically add validation to a control?

Hi, I need to add requiredvalidator on a textbox programatically on a page, do I do that in page_load or some event before that? ...

ASP.NET: avoid RequiredFieldValidator on navigate button postback

Hello! I have an ASPX page with two RequiredFieldValidator and a button to go to another page. This button must do a postback to know where to go. This button can be clicked it any time. The problem is that the RequiredFieldValidators are not disabled and show their message asking for a value. Is there any way to avoid validation when...

RequiredFieldValidator not firing when ControlToValidate visiblity is changed

When I change ddl.Visible=true(it gets changed on partial postback/updatepanel from another form element event)the RequiredFieldValidator will not fire? NOTE: This is not a question on how to use the RequiredFieldValidator in a normal circumstance. My form has cascading dropdowns that are all dynamically built with their visibility tog...

Using Required Field Validator to Disable ListBox

Hi all, Pretty simple question. I have a few ASP RequiredFieldValdators checking some text boxes. Out of the box, it checks validation when a button is pressed, basically disabling it unless all fields are met. I also have a listbox with a bunch of data points, which load new data into the text boxes that are being validated. I want...

Autopostback=True for a Textbox and RequiredFieldValidator next to it. But when submitting form after Posting back by TextChanged event to the Textbox, RequiredFieldValidator doesn't work!?

Hi In my .aspx form I have a textbox (Textbox1) with Autopostback=True. I also set a RequiredFieldValidator (RequiredFieldValidator1) next to it. But when Posting back by TextChanged event of Textbox1, RequiredFieldValidator1 appears but still I can submit my form with nothing into the Textbox1! what's wrong? ...

Using PHP Filter function to validate, but ignore empty non-required fields

I want to use the PHP Filter functions to quickly filter a form and show feedback to the user. Some of the fields in my form are required, some are not. I am going to use filter_input_array() to filter all my fields. I will pass the data through in multiple runs. In this way, I will be able to display multiple error messages. I have on...

Strange RequiredFieldValidator behaviour

I'm building a data entry screen that uses web services to update the db rather than the usual postback. However, I'd still like to use the AJAX validation classes to do my client side validation. Here's an edited version of what I've got so far: function ValidateData() { var res = Page_ClientValidate("Update"); if (res == tru...

Validations not working

I have few text boxes which has required field validation. In the same page there is a back button and next button. When i click in the back button the validations are working, when i click on the next button validations are not working (means the form is moving to the next page) Please help me to rectify <%@ Page Language="vb...

Required Field Validator incorrectly failing validation on disabled textbox

A required field validator seems to always to fire when the associated textbox is disabled (whether the textbox contains text or not). When the textbox is enabled the validator behaves correctly. Can anybody tell me why? I've tried disabling the required field validator with ValidatorEnable but that seems to make no difference. Here'...

ASP.NET RequiredFieldValidator not letting me navigate away from an asp:Wizard

I wish to allow the user an option to navigate away from a Register page. However the register page is an ASP:Wizard with RequiredFieldValidators. How can I fix this without removing the RequiredFieldValidators? The "Next" button of the wizard seems to be built-in to the Wizard control and doesn't seem to let me apply a ValidationGr...

Validation to allow single space for phone numbers

i have a validation in my .net textbox where it will take only numbers but when i put the the phone format like 080 234234 it will not accept because of a space how to resolve this ? could anyone help in regular expression ? Current expression is this [0-9]+ i want only single space ... no two spaces should be encoraged ...

How to trigger Required Field Validator

Hi! In Aspnet, how to trigger RequiredFieldValidator when a textbox is clicked? ...

Remove RequiredFieldValidation from GridView Row

Hi: I have a Gridview like excel sheet. I use it to update and insert new records. The last row is used for insertion and can be empty. I need to add RequiredFieldValidation for when rows are updated or inserted but I want to remove it when the whole row is empty. How can this be implemented. Thank you for your suggestions :) Row1...

ASP.NET validators - stop validating on first failure

Is there a method to stop validators from being evaluated if a previous validator is found to be not valid - at a control level? For example, if I create a text box with a RequiredFieldValidator, a RegularExpressionValidator and a custom validator, I do not want the custom validator to be evaluated if the RequiredFieldValidator or Regul...

required field validator

Hi I used required field valiator. now if I disable javascript. I can submit the form, why? No serverside validation? I have set the validaton group of the submit button and the validator.. Thank you ...

What are the conditions when sometimes Required field validators fails in C# ?

There is a strange problem in my application. There is one mandatory field which we are making mandatory through Required field validator but still in few scenarios it fails. Can someone tell me what can be the possible causes. I am not able to recreate this issue. ...

RequiredFieldValidator and styling

Hi, Is it possible with the standard .Net field validators to change the style on the textfield, in which the error occures? If I e.g. have a field phonenumber which needs to be filled out, it should create a red border around the textfield on submit, if the field is not filled. Hopefully this can be done with the standard controls so...