xhtml - How to properly escape quotes inside html attributes? -

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i have drop down on web page breaking when value string contains quote.

the value "asd in dom appears empty string.

i have tried every way know escape string no avail. 

<option value=""asd">test</option> <option value="\"asd">test</option> <option value="&quot;asd">test</option> <option value="&#34;asd">test</option>

any idea how render on page postback message contains correct value?

&quot; correct way, third of tests:

<option value="&quot;asd">test</option>

you can see working in jsfiddle example here. alternatively, can delimit attribute value single quotes:

<option value='"asd'>test</option>

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