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Using URLEncode to Pass Query String Values

Using URLEncode to Pass Query String Values

Question:
I’m passing a string from one ASP template to another. The string may contain spaces so I call URLEncode, which works well as far as preventing the 400 Error for a malformed page. However, when I encode the Query String, it seems to muck up the code that gets the values from the Query String. Is there a “decode” function that I need to use?

Answer:

When you are passing values in a Query String, you are building a string that looks like this:

page name.asp?key1=value1&key2=value2

Remember to URLEncode only the value1 and value2 strings. Do not URLEncode the key1 and key2 strings. So your code should look like this:

"key1=" & Server.URLEncode("value1") & "&key2=" & Server.UrlEncode("value2")

This code will pass the proper “value1” and “value2” even if they contain spaces or punctuation characters.

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