Hi,
I have a problem with IE6 not preserving values on a form when I press a button which does window.history.back(). For some reason this happens in both my jsp and C# versions just in IE6.
Firefox 3 and Opera 9 do not have this problem. Unfortunately, as IE6 is our customer's main browser we have to support this, even if this may work in IE7.
The page has controls on a form, then on a button click the page cycles through the controls using javascript and adds them to a form and posts to another page. On an error there is a page with a back button which goes back in the history (window.history.back()) and I am returned to the first page, however all the values which were posted have now disappeared.
There is no init/jquery.Ready script on the page which could nill the values.
Is there any chance that someone has come across this particular problem or has an example of storing post values and reloading them which works in IE6/FF2/Opera8+?
Thanks in advance
NeutrinoHunter
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Sorry, without being cheeky can I ask you whether that is the same in IE7? I haven't got a testable example to try out.
So would I just have the equivalent C# backend code to handle the post data on each page and then have this populated on a Form_Load()? If I use C# as an example?
Regards,
NeutrinoHunter
IE7 does remember the form data.
I remember that we had some problems with this feature a while back when it was introduced. Even if we were able to make the browser fetch the page from the server when going back in history so that we could populate the form fields, the browser would then replace the values that we put in the fields with the values from the history...
Ahh I think I've come across the problem you mention. I've tried almost all the javascript/ASP I can think of and still no solution.
If I implement a session variable and attempt to retrieve the information, the browser does overwrite the information with the history.
Is there any solution to the one you mention or is it just a browser bug I can't get around?
Is there any way to get the data from Request.Form on the destination page and then resend that data to the previous page via a postback or something programmatically?
Cheers,
NeutrinoHunter
For example:
colCache = Session["LastSearch"] as NameValueCollection;
if (colCache != null)
{
String[] sTokens = colCache["Tokens"].Split('
String[] sValues = colCache["UserInput"].Spli
for(int i = 0; i < sTokens.Length; i++)
{
String sID = sTokens[i];
Control control = this.FindControl(sID);
if (control is HtmlInputText)
{
HtmlInputText textField = (HtmlInputText)control;
textField.Value = sValues[i];
}
else if (control is HtmlSelect)
{
HtmlSelect selectField = (HtmlSelect)control;
selectField.Value = sValues[i];
}
else
{
}
}
}
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by: GreenGhostPosted on 2009-01-14 at 21:55:42ID: 23380904
This is not an error, it's by design. Keeping the form data in the history was introduced in browsers after IE6, older browsers simply don't do that.
If you want to persist the form data in any browser, you have to post the data to the page instead of using the back method.