This is used in .cs page of asp.net. Please explain the meaning of the following code:
Page.ClientScript.RegisterStartupScript(this.GetType(), "'" + scriptKey + "'", ValidationScript.ToString(), false);
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4 Answers
This registers some javascript on the client - ValidationScript whatever that is.
This means that ValidationScript will appear in the output so to the client so that it may be executed by it. I'm guessing to carry out validation routines.
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It registers a javascript block that will execute when the page has finished loading. The first two arguments are used to idenfity the script (only one startup script with the given type and key can be registered in the page.
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Please read this - http://msdn.microsoft.com/en-us/library/aa479390.aspx
3 Comments
Eric Lippert
I don't recall ever saying that. In fact, that looks remarkably like a quote from the marketing materials for Jon Skeet's book "C# in Depth". manning.com/skeet -- I did not write those marketing materials, I just wrote the foreword.
Joan Venge
@Eric: That's pretty funny if you were to write marketing hype like that :)
Unmesh Kondolikar
Ohh .. my bad. It is indeed from C# in Depth's back cover. I read it sometime back and remembered it like that. Should have checked before quoting. So editing the answer.
For a detailed explanation, just check msdn: msdn.
But basically all that happens is, the javascript gets registered on the page, and the type/key combination is used, to make sure, there won't be any duplications.
