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POoptimising linq queries to incres
 

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    <p>I have the the below linq queries searching a the same data table and was wondering if it would be possible to make one search and do the below for loops to add data to to the same variables so that it can make the system faster.</p> <pre><code>var sort = configurationData.AsEnumerable().Where(sorts =&gt; sorts.Field&lt;String&gt;("QuestionStartText") == question &amp;&amp; sorts.Field&lt;String&gt;("slideNo") == Convert.ToString(slideNumber) ) .Select(sorted =&gt; sorted.Field&lt;String&gt;("SortByColumn")).Distinct().AsParallel(); var rowNeedAfterSort = configurationData.AsEnumerable().Where(sorts =&gt; sorts.Field&lt;String&gt;("QuestionStartText") == question &amp;&amp; sorts.Field&lt;String&gt;("slideNo") == Convert.ToString(slideNumber)) .Select(sorted =&gt; sorted.Field&lt;String&gt;("NoOfRows")).Distinct().AsParallel(); var indexs = configurationData.AsEnumerable().Where(sorts =&gt; sorts.Field&lt;String&gt;("QuestionStartText") == question &amp;&amp; sorts.Field&lt;String&gt;("slideNo") == Convert.ToString(slideNumber)) .Select(sorted =&gt; sorted.Field&lt;String&gt;("ColumnInExcel")).Distinct().AsParallel(); int p = 0; int chartValue = 0; foreach (string inedcies in indexs) { if (inedcies != null) { if (!inedcies.ToUpper().Equals("NULL")) { if (inedcies.Contains(',')) { Array.Clear(valuesUsed, 0, valuesUsed.Length); string[] index = inedcies.Split(','); foreach (string a in index) { valuesUsed[p] = Convert.ToInt32(a); p++; } } else if (inedcies.Equals("7")) { Array.Clear(valuesUsed, 0, valuesUsed.Length); valuesUsed[p] = Convert.ToInt32(inedcies); } else { chartValue = Convert.ToInt32(inedcies); } } } } foreach (string sortedint in sort) { if (sortedint != null) { if (!sortedint.ToUpper().Equals("NULL")) { SortData2(sortedint); sortedData = "true"; } } } foreach (string rows in rowNeedAfterSort) { if (rows != null) { if (!rows.ToUpper().Equals("NULL")) { string[] values = rows.Split(' '); rowCount = Convert.ToInt32(values[1]); } } } </code></pre>
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