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

User · Answer

Trying from the CodeBehind   Textbox1 Attributes Add  autocomplete    off

User · Answer

This works for me      lt script type  text javascript  gt          var c   document getElementById   lt   TextBox1 ClientID   gt             c select           function  event  ui             this value       return false         lt  script gt

User · Answer

Autocomplete need to set off from textbox    lt asp TextBox ID  TextBox1  runat  server  autocomplete  off  gt  lt  asp TextBox gt

User · Answer

Adding autocomplete  new-password  to the password field did the trick  Removed auto filling of both user name and password fields in Chrome    lt input type  password  name  whatever  autocomplete  new-password    gt

User · Answer

For firefox  Either    lt asp TextBox id  Textbox1  runat  server  autocomplete  off  gt  lt  asp TextBox gt    Or from the CodeBehind   Textbox1 Attributes Add  autocomplete    off

User · Answer

By making AutoCompleteType  Disabled          lt asp TextBox runat  server  ID  txt userid  AutoCompleteType  Disabled  gt  lt  asp TextBox gt         By setting autocomplete  off          lt asp TextBox runat  server  ID  txt userid  autocomplete  off  gt  lt  asp TextBox gt         By Setting Form autocomplete  off          lt form id  form1  runat  server  autocomplete  off  gt          your content        lt  form gt         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         lt head runat    server   gt             lt  title  gt   lt   title gt   lt  script src    Scripts jquery-1 6 4 min js   gt   lt   script gt   lt  script type    text javascript   gt              document  ready function                                 txt userid   attr  autocomplete    off                          document getElementById  txt userid   autocomplete    off         lt   script gt         and here is my textbox in          lt asp TextBox runat  server  ID  txt userid   gt  lt  asp TextBox gt         By Setting textbox attribute in code        protected void Page Load object sender  EventArgs e                     if   Page IsPostBack                            txt userid Attributes Add  autocomplete    off

User · Answer

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

User · Answer

This is the answer    x000D   x000D   lt asp TextBox id  yourtextBoxname  runat  server  AutoCompleteType  Disabled  gt  lt  asp TextBox gt  x000D   x000D   x000D       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

[c#] Prevent textbox autofill with previously entered values

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