Prevent textbox autofill with previously entered values

Question

I have an asp page with some Textbox controls on it.

By default, the browser will suggest previously entered values for each box.

I'd like to prevent that behavior for some of the textboxes.

Is there a way to reliably do that across all major browsers?

I've tried setting

AutoCompleteType="Disabled"

But that seems to have no effect in Firefox.

Here is an image of the behavior I'm trying to prevent.

enter image description here

Note it doesn't seem to be possible to turn autocomplete off in IE https://stackoverflow.com/questions/22328608/ie-11-explorer-textbox-autocomplete-off-is-not-working — Matthew Lock, Mar 29 '21 at 08:04

score 81 · Accepted Answer · answered Mar 13 '12 at 14:50

81

For firefox

Either:

<asp:TextBox id="Textbox1" runat="server" autocomplete="off"></asp:TextBox>

Or from the CodeBehind:

Textbox1.Attributes.Add("autocomplete", "off");

answered Mar 13 '12 at 14:50

PraveenVenu

8,217
4
30
39

2

the asp markup seems to throw a warning saying "The values permitted for this attribute do not include 'off'" but adding the attribute as it shows in the second code blocks works! – owen gerig Feb 21 '14 at 15:55
The first line works for me, just ignore the warning :P – Aximili Mar 20 '14 at 04:24
This got me where I needed to go. For a Telerik RadTextBox it's ``. – JMD Apr 10 '15 at 22:52

score 11 · Answer 2 · answered Mar 13 '12 at 14:54

11

Autocomplete need to set off from textbox

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

answered Mar 13 '12 at 14:54

Pankaj

9,749
32
139
283

as my comments above state, this no longer seems to work. need to do it via code using the Attributes.Add as shown above – owen gerig Feb 21 '14 at 15:59

score 10 · Answer 3 · edited Apr 01 '19 at 20:06

By making AutoCompleteType="Disabled",

    <asp:TextBox runat="server" ID="txt_userid" AutoCompleteType="Disabled"></asp:TextBox>

By setting autocomplete="off",

    <asp:TextBox runat="server" ID="txt_userid" autocomplete="off"></asp:TextBox>

By Setting Form autocomplete="off",

    <form id="form1" runat="server" autocomplete="off">  
    //your content  
    </form>

By using code in .cs page,

    protected void Page_Load(object sender, EventArgs e)   
    {  
        if (!Page.IsPostBack)  
        {  
            txt_userid.Attributes.Add("autocomplete", "off");  
        }  
    }

By Using Jquery

    <head runat = "server" >  
        < title > < /title> < script src = "Scripts/jquery-1.6.4.min.js" > < /script> < script type = "text/javascript" >  
        $(document).ready(function()  
        {  
            $('#txt_userid').attr('autocomplete', 'off');  
        });  
    //document.getElementById("txt_userid").autocomplete = "off"  
    < /script>

and here is my textbox in ,

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

By Setting textbox attribute in code,

    protected void Page_Load(object sender, EventArgs e)   
    {  
        if (!Page.IsPostBack)  
        {  
            txt_userid.Attributes.Add("autocomplete", "off");  
        }  
    }

Setting AutoCompleteType="Disabled" didn't work in SharePoint web part, it didn't render anything. I don't know why. But setting autocomplete="off" did work. — Ariwibawa, Jan 08 '21 at 03:02

score 7 · Answer 4 · edited Nov 08 '17 at 08:05

7

This is the answer.

<asp:TextBox id="yourtextBoxname" runat="server" AutoCompleteType="Disabled"></asp:TextBox>

AutoCompleteType="Disabled"

If you still get the pre-filled boxes for example in the Firefox browser then its the browser's fault. You have to go

'Options' --> 'Security'(tab) --> Untick

'Remember password for sites and click on Saved Passwords button to delete any details that the browser has saved.

This should solve the problem

edited Nov 08 '17 at 08:05

Nikolaj Dam Larsen

5,455
4
32
45

answered Sep 23 '15 at 13:07

sebastian

111
1
5

2

Can you explain him why does it work so he can learn from it? – Tamir Vered Sep 23 '15 at 13:20

score 6 · Answer 5 · edited Feb 21 '14 at 15:59

6

Trying from the CodeBehind:

Textbox1.Attributes.Add("autocomplete", "off");

edited Feb 21 '14 at 15:59

owen gerig

6,165
6
52
91

answered Nov 16 '13 at 08:44

5eeker

1,016
1
9
30

score 6 · Answer 6 · edited Aug 28 '19 at 16:13

6

Adding autocomplete="new-password" to the password field did the trick. Removed auto filling of both user name and password fields in Chrome.

<input type="password" name="whatever" autocomplete="new-password" />

edited Aug 28 '19 at 16:13

ArunPratap

4,816
7
25
43

answered Mar 14 '19 at 14:20

Prabo

164
1
2
12

This was the only solution that did worked for me. Thank you so much. – Theotonio Apr 06 '23 at 18:30

score 1 · Answer 7 · edited Aug 28 '19 at 16:13

1

Please note that for Chrome to work properly it needs to be autocomplete="false"

edited Aug 28 '19 at 16:13

ArunPratap

4,816
7
25
43

answered Sep 15 '15 at 15:03

Miguel

1,575
1
27
31

score 0 · Answer 8 · answered Dec 19 '13 at 13:42

0

This works for me

   <script type="text/javascript">
        var c = document.getElementById("<%=TextBox1.ClientID %>");
        c.select =
        function (event, ui) 
        { this.value = ""; return false; }
    </script>

answered Dec 19 '13 at 13:42

George Dgebuadze

111
1
6

Prevent textbox autofill with previously entered values

8 Answers8

Linked

Related