Change the content of a Css Class through Code Behind in asp.net

Question

I need to change the CONTENTS of a css class through asp.net code behind. The reason why I need to do this is because i have an external user control that uses a property called "stylefolder" instead of the normal cssclass.

I'm really out of ideas, I tried to open the css file and replace text, but then after i also need to save it. So the css file is permantly modified which I don't want.

Please help

The reason you gave to explain the need for what you expect doesn't convey much. If you have a css class that you do not want to change then create a replica of that class and modify it, and use that instead. Or use inline styling. There can be several solutions, but fact is your problem is not clear. — Shashank Chaturvedi
– Shashank Chaturvedi, Commented Sep 25, 2013 at 14:04

grimmus · Accepted Answer · 2013-09-25 13:35:54Z

1

The way you are trying to tackle your problem does not seem logical. Temporarily modifying css depending on the stylefolder property seems crazy. Could you not use inline styling depending on the property value and store some data in the session ?

answered Sep 25, 2013 at 13:35

grimmus

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nrsharma · Accepted Answer · 2013-09-25 13:37:32Z

Make a separate file for that user control and at run time load the file on the condition basis like this

protected void Page_Init(object sender, EventArgs e)
{
  if (usercontrol)
    {
      // load the css relateed to user control
       HtmlLink cssPdf = new HtmlLink();
       cssPdf.Href = "path to user control file";
       cssPdf.Attributes["rel"] = "stylesheet";
       cssPdf.Attributes["type"] = "text/css";
       cssPdf.Attributes["media"] = "all";
       Page.Header.Controls.Add(cssPdf);
    }
  else
    {
      //load regular file
      HtmlLink cssPdf = new HtmlLink();
      cssPdf.Href = "path to regular file";
      cssPdf.Attributes["rel"] = "stylesheet";
      cssPdf.Attributes["type"] = "text/css";
      cssPdf.Attributes["media"] = "all";
      Page.Header.Controls.Add(cssPdf);
    }
}

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