Vb.net - Validation - Make A Control Required To Put Input Depending On The Radiobuttonlist Selection?

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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Search thru the wauy to do view input validation, have seen quite often refers this [Required], eg:

public class ProductViewModel {
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public double Price { get; set; }
[Required]
public string Title { get; set; }
}

What this [Required] actually is? In which assembly?

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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.

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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.

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I am inspired by this topic

[URL]

This way my jquery is not working, there are mistakes in the part

if ($(this).attr('checked') == true && $(this).val() == "HB")

I tried those two conditions above alone, and they both are not working. I need to reach to my radiobuttons but seems like I can't. Then how should I write that part in order to make my code work.

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[Code]....

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[code]....

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[Code]...

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<input ID="card1" runat="server" type="radio"/>Card<br />
btnSubmit_Click
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this however doesnt disable the control.

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I have an ASP.NET Webform and inside the form I have an input type of file. What I would like to happen is for the form to post immediately after the user chooses a file.I have a server side function I would like to be called, let's say UploadedFile()What is the easiest way to accomplish this?

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