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Answer 1

+3 A:

It's not a mistake it's just that passwords won't be sent back to the client after a postback, this is by design. What is your intent?.. is there a reason you would like the password boxes to persist through postbacks?

Quintin Robinson 2009-11-08 06:34:54

I have set autopostback=true in dropdownlist not in password text box control. My intention is when i am selecting any value from dropdownlist password and retypepassword value should not be cleared, it should be remained same with filled values until i click save button. Pls tell me how do i achieve it???

Sumit 2009-11-08 06:44:53

Well you could use the approach recommended by harpo but beware that this will expose the password back in plaintext in the rendered HTML. Alternatively you could wait to ask for password input until the rest of the content that requires postbacks has been completed or stop posting back on the dropdownlist if not required.

Quintin Robinson 2009-11-08 06:50:42

I agree. Try to adhere to the philosophy of what a password field is. It should not be persisted, and this is the typical design of most sites. Ever signed up for an account that requires creating a username and password, and upon form submition you get a message indicating some information is missing. Guess what happens to that 'password' field you already filled out? It is empty again. This is the best way to approach this by not trying to break the design.

atconway 2010-09-27 19:24:44

Answer 2

+3 A:

As Quintin indicated, this is by design. TextBox.Text does not get persisted when TextMode is "Password". You can work around this by setting

txtPassword.Attributes[ "value" ] = txtPassword.Text;

some time during page processing.

harpo 2009-11-08 06:39:04

Answer 3

+1 A:

You can put the DropDownList onto an UpdatePanel. Or use JavaScript instead of server side postback.

Mehdi Golchin 2009-11-08 07:02:40

When i am keeping the DropDownList onto an UpdatePanel, Other textbox is not appearing. If i select Others items from dropdownlist Others textbox has to appear.

Sumit 2009-11-08 07:12:31

I can't realize what you mean? But if you mean the Textboxes doesn't show when you select an item from DropDownList, note that you should put them in UpdatePanel as well.

Mehdi Golchin 2009-11-08 08:06:12

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Need help in asp.net password textbox

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