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POAnother LINQ OrderBy query
 

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    <p>I have a table (as in a list of numbers) that gets recreated through a series of linq queries. I'm trying to sort the columns in descending order based upon the values within the first row.</p> <p>My Database looks like this:</p> <pre><code>Data { ColumnLabel, RowLabel, Value } {"Cat", "All", 9} {"Dog","All", 17} {"Fish", "All", 4} {"Cat", "Girls", 3} {"Dog","Girls", 2} {"Fish", "Girls", 2} {"Cat", "Boys", 6} {"Dog","Boys", 15} {"Fish", "Boys", 2} </code></pre> <p>When I naively join this table together it looks like this:</p> <pre><code> Cat | Dog | Fish All 9 17 4 Girls 3 15 2 Boys 6 2 2 </code></pre> <p>What I want to do is sort the <code>ColumnLabels</code> in descending order based on <code>Value</code> where <code>RowLabel == "All"</code>. The way I WANT the table to look is like this:</p> <pre><code> Dog | Cat | Fish All 17 9 4 Girls 15 3 2 Boys 2 6 2 </code></pre> <p>Notice the Dog and Cat row flipped.</p> <p>I'll need to out put this table using HTML so I iterate through by each row.</p> <p>I start by sorting the <code>ColumnLabels</code>:</p> <p>var top = data.Where(x => x.RowLabel == "All") .OrderBy(x => x.Data) .Select(x => x.ColumnLabel).SingleOrDefault();</p> <p>Now <code>top</code> contains the order I want the Columns to appear; <code>{Dog, Cat, Fish}</code>. I don't really care how the Rows are sorted vertically.</p> <p>What I then want to do is group each row based upon it's <code>RowLabel</code> value:</p> <pre><code>var row = data.GroupBy(x =&gt; x.RowLabel) .OrderBy(y =&gt; ??????????????); //I want to OrderBy the values in top //How do I do this? </code></pre> <p>I then iterate through each row and create my HTML table. This part is easy, but I don't know how to order subsequent rows based upon the top order. How do I do this in LINQ?</p>
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