I need some help to return distinct value of the attribute. I tried to google my way but not so successfull.
my xml is in this format:
<?xml version="1.0" encoding="utf-8"?>
<threads>
<thread tool="atool" process="aprocess" ewmabias="0.3" />
<thread tool="btool" process="cprocess" ewmabias="0.4" />
<thread tool="atool" process="bprocess" ewmabias="0.9" />
<thread tool="ctool" process="aprocess" ewmabias="0.2" />
</threads>
I want to return distinct tool and process attribute. I do prefer linq solution.
IEnumerable<XElement> singlethread = apcxmlstate.Elements("thread");
.. mytool = array/list containing distinc tool, ie {atool, btool, ctool}
Appreciate any help.
I want to return distinct tool and process attribute.
It sounds like you want this this:
var results =
from e in apcxmlstate.Elements("thread")
group e by Tuple.Create(e.Attribute("process").Value,
e.Attribute("tool").Value) into g
select g.First().Attribute("tool").Value;
Or in fluent syntax:
var results = apcxmlstate
.Elements("thread")
.GroupBy(e => Tuple.Create(e.Attribute("process").Value,
e.Attribute("tool").Value))
.Select(g => g.First().Attribute("tool"));
This will return the tool
for each distinct tool
/ process
pair—given your example set { "atool", "btool", "atool", "ctool" }
. However, if all you want is distinct tool
values you can just do this:
var results = apcxmlstate
.Select(e => e.Attribute("tool").Value)
.Distinct();
Which will give you { "atool", "btool", "ctool" }
.
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