Retrieve value from attribute in HTML tag in asp.NET

Question

I have a large string containing a custom HTML tag (xxx). The tag also has two attributes.

How would I retrieve the value of the two attributes and then place the tag and its content with a new string derived from those two attributes?

Thanks for your time.

renanleandrof · Accepted Answer · 2011-02-09 12:52:02Z

3

Where do you want to retrieve it? In the code behind?

If your tag is runat="server", you can do:

mytag.Attributes["nameofmyattribute"]

answered Feb 9, 2011 at 12:52

renanleandrof

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5 Comments

baked Over a year ago

It will be retrieved from the code behind but the tag isn't part of the page it is inside a string containing other HTML elements. I just need to find my custom tag and get the attributes from it.

renanleandrof Over a year ago

So you have a string in the code behind containing a long HTML code, and you need to find your tag in that string?

baked Over a year ago

That is correct yes, then retrieve the attribute values from that tag.

renanleandrof Over a year ago

I don't get your problem... If is that just look for the substring of your tag... Sample: If you want some <span> tag , search for the occurrences of substring <span ....

Kurkula Over a year ago

webforms almost died. What will be the similar case if it is not webform code behind and it is a asp.net mvc controller code?

Shekhar_Pro · Accepted Answer · 2011-02-09 13:33:09Z

1

If its in string then you should consider using HTML Agility Pack. However it may be overkill so show us some sample string... maybe only some RegEx can do it.

answered Feb 9, 2011 at 13:33

Shekhar_Pro

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baked Over a year ago

Ok, well the string will contain roughly a paragraph of text, with an indefinite number (generally 1-12) of tags in the following format: <template category="x" field="y">text</template>. I will then pass x and y to a function which will return a string to replace the text inside the template tag (including the template tag) with.

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