client side validation and server side validation in java script and asp.net respectively?

Question

hi all i want to know that can we validate a control which is out side a form element in asp.net(server side validation)and outside a form element in html(client side validation) let's take a closer look

<html>
<body>
<input type="text"  name="first name"/>
</body>
</html>

can we apply clien side validation on above text box by java script ?

in asp.net

<form runat="server">
</form>

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

here i have written textbox after the form will it validate at server side ?

Validating this on server side is a bit of a oddity, as it will not be posted back, as it is not in the form? — Paddy
– Paddy, Commented Sep 6, 2010 at 14:16

Wyatt Barnett · Accepted Answer · 2010-09-06 14:17:32Z

2

Last time I checked, it wasn't valid HTML to have form elements, such as inputs, outside a form.

In any case, it won't work on the server-side because ASP.NET does not know the textbox exists. I could see it working client-side, but I have never tried this as it makes no sense.

What are you trying to achieve here? There is likely a better solution.

answered Sep 6, 2010 at 14:17

Wyatt Barnett

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1 Comment

Nishant Kumar Over a year ago

but sir it's working well in any browser ? i means when we apply only client side validation then need not necessary to keep it inside form afterall i am not sending data on server side for validation ?

m.edmondson · Accepted Answer · 2010-09-06 14:16:09Z

-1

Sure, if you set the input to runat the server and give it an ID:

<input type="text"  name="first name" runat="server" id="myserversideid"/>

You can then use the validation controls as you would normally

answered Sep 6, 2010 at 14:16

m.edmondson

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2 Comments

Nishant Kumar Over a year ago

i am talking about 2nd on i means asp.net not on html ?

Nishant Kumar Over a year ago

acording to you if i write any asp contro out side form then it will not run on server ?

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