some info about code...

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C#

protected override void OnPreRender(EventArgs e)
  {
      base.OnPreRender(e); //what does this line do?
      string strDisAbleBackButton;
      strDisAbleBackButton = "<SCRIPT language=javascript>\n";
      strDisAbleBackButton += "window.history.forward(1);\n"; what this line do?
      strDisAbleBackButton += "\n</SCRIPT>";
      ClientScript.RegisterClientScriptBlock(this.Page.GetType(), "clientScript", strDisAbleBackButton); // what does this line do?
  }

what this code do?

Posted 22-Jun-11 8:45am

aliomar2

Updated 22-Jun-11 8:52am

Manfred Rudolf Bihy

v4

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OriginalGriff · Answer 1 · 2011-06-22T08:52:00

In the dim, dark past all documentation was printed on paper, and very heavy it was too. The first version of Visual Studio for example, (called Visual C++ in those days) had a single CD and pile of books you could stun an ox with. Still got them, somewhere. Oh, yes, I remember, they are in the Games Room. Never mind that.

The thing is, in those days, we had to find the right book, read the right section, and work out what functions did for ourselves. And very hard work it was too.

Nowadays, there is a tool called Google that does most of the work, and a set of books called MSDN which does the rest - and all searchable too. Amazing really.

Then you come along. "Can I be bothered to try to learn?" you think. "Nah. I'l just post stupid little questions asking what each individual line of code fragments I've raked up from the internet do instead." So you do. But I ain't answering.

Manfred Rudolf Bihy · Answer 2 · 2011-06-22T08:59:00

This seems to be code from an ASP.NET custom control. The first line you queried about calls the base class' OnPreRender event. This is usually done to do stuff that the base class would already handle. The other line you asked about registers the script with the ASP.net script manager so the constructed javascript stored in strDisAbleBackButton is rendered to the HTML output.

Cheers!

--MRB

some info about code...

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