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It looks like [Bucket] is only a label and &nbsp;you should look at using the scope option to the aggregate operators like:<br />
<br />
...=SUM(Fields!ID.Value, &quot;NameOfRowGrouping&quot;) / SUM(Fields!ID.Value, &quot;TopLevelGroupName&quot;)<br />
<br />
and also to move it out of the expression and to either the placeholder properties or text-box property that contains the value.
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<div>
How do you identify the name of the &quot;NameOfRowGrouping&quot; and the &quot;TopLevelGroupName&quot;? &nbsp;<br />
<br />
<a href="https://filedb.experts-exchange.com/incoming/2015/11_w48/1035341/11-24-2015-9-59-37-AM.jpg" target="_blank" title="11-24-2015-9-59-37-AM.jpg (136 KB)"><img alt="11-24-2015-9-59-37-AM.jpg" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2015/11_w48/800_1035341/11-24-2015-9-59-37-AM.jpg" /></a><br />
Is it in the Group Column names or can I see it in the properties somewhere? &nbsp;I have tried just about every combination that I can find.
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11-24-2015-9-59-37-AM.jpg

Percentantage-in-the-Column-Grouping.rdl

Script.txt

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<div class="content wysiwyg-content">
Need to add a column to the attached report to calculate the metric of % Correct:<br />
<a href="https://filedb.experts-exchange.com/incoming/2015/11_w48/1033341/11-23-2015-12-14-00-PM.jpg" target="_blank" title="11-23-2015-12-14-00-PM.jpg (58 KB)"><img alt="11-23-2015-12-14-00-PM.jpg" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2015/11_w48/800_1033341/11-23-2015-12-14-00-PM.jpg" /></a><br />
But when I attempt to add the formula:<br />
<br />
=SUM(Fields!COUNT_CST_ACCT<wbr />_NUM.Value<wbr />, &quot;BUCKET&quot;)<br />
<br />
/CUST_ACCT_METRIC_NUM is invalid. &nbsp;The Value expression for the text box 'Textbox10' has a scope parameter that is not valid for an aggregate function. &nbsp;The scope parameter must be set to a string constant that is equal to either the name of a containing group, the name of a containing data region, or the name of a dataset.<br />
<br />
I believe from my screen shot you can see that [BUCKET] is a valid grouping.<br />
<br />
Ultimately, I would only want the total if the value in the &quot;BUCKET&quot; is = 'CORRECT' only. &nbsp;I need to calculate the % &quot;CORRECT' over the over-all total. &nbsp;<br />
<br />
Help
</div>
</div>


11-23-2015-12-14-00-PM.jpg

Need to add a column to the attached report to calculate the metric of % Correct:


But when I attempt to add the formula:

=SUM(Fields!COUNT_CST_ACCT_NUM.Value, "BUCKET")

/CUST_ACCT_METRIC_NUM is invalid.  The Value expression for the text box 'Textbox10' has a scope parameter that is not valid for an aggregate function.  The scope parameter must be set to a string constant that is equal to either the name of a containing group, the name of a containing data region, or the name of a dataset.

I believe from my screen shot you can see that [BUCKET] is a valid grouping.

Ultimately, I would only want the total if the value in the "BUCKET" is = 'CORRECT' only.  I need to calculate the % "CORRECT' over the over-all total.  

Help

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SQL Server Reporting Services (SSRS) is a server-based report generation software system from Microsoft. It can prepare and deliver a variety of interactive and printed reports and is administered via a web interface or its web service. Its web services interface also supports the development of custom reporting applications. Finally, SSRS can also be integrated with SharePoint. SSRS competes with other business intelligence tools, most prominently Crystal Reports.

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