Highlighting Text and save

[rakesh bairi]

I am interested in saving text when user selects any text anywhere on a web page that text has to be highlighted and has to save that text as a string in C#.
when same user saw same page next time text has to be highlighted as done previously by him.
If anyone knows a simple elegant way to do this I would really appreciate it, but I'll take any solution at this point. Even if you can point me in the right directions that would be appreciated. Thanks in advance.

[Frinavale]

Highlighting is done client-side.

So you have to use JavaScript (a client-side scripting language) to retrieve what text is highlighted.

Then you need to somehow send that information back to the server. The best way that I've found is to use a hidden field on the page since they are accessible from both JavaScript and in your server-side code...but you could also use cookies or the query string.

You need to figure out what you need to store...and how.

Then you need to retrieve the information from the database, send it down to the browser in a way that you can access it in JavaScript so that the JavaScript code can re-highlight stuff.

If I were you I'd look for a control that's already in place that does this.

If you can't find one, then consider researching how to develop Ajax Enabled .NET Server Controls.

-Frinny

[rakesh bairi]

thanks for your reply i m done it

[rakesh bairi]

Thanks for your reply but it will not work other than IE .

I m tried with this code

function highlight() {
  var range, sel;
  // IE case
  if (document.selection && document.selection.createRange) {
    range = document.selection.createRange();
    //range.execCommand("Bold", false, null);
    range.execCommand("BackColor", "false", "yellow");
    txt = document.selection.createRange().text;
  } else if (window.getSelection) {
    // Non-IE
    sel = window.getSelection();
    if (sel.rangeCount && sel.getRangeAt) {
      range = sel.getRangeAt(0);
      alert(range);
    }
    document.designMode = "on";
    if (range) {
      sel.removeAllRanges();
      sel.addRange(range);
      alert(range);
    }
    // document.execCommand("Bold", false, null);
    document.execCommand("BackColor", "false", "yellow");
    document.designMode = "ofx  f";
  }
}
</script>

But using this code I m getting problem in FireFox but it works fine in IE,Chrome and also i have show highlight the text when same user open same page next time For that i have to store text in my database.If I m Using hidden field to assign selected HTML text then i m getting some security error .

[Frinavale]

You should post the error you're getting so that the JavaScript experts can help you :)

-Frinny