<div>
<div class="content wysiwyg-content">
=Sum(IIF(Fields!GROUP4CODE<wbr />.Value&gt;=3,<wbr /> CDbl(ReportItems!Textbox13<wbr />2.Value), CDbl(0)))<br />
<br />
this expression gives error: aggregate functions can be used only on report items contained in page headers and footers.
</div>
</div>


=Sum(IIF(Fields!GROUP4CODE.Value>=3, CDbl(ReportItems!Textbox132.Value), CDbl(0)))

this expression gives error: aggregate functions can be used only on report items contained in page headers and footers.

aggregate functions can be used only on report items contained in page headers and footers.

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

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.