http://forums.asp.net/191.aspxAnything and everything pertaining to SQL Server Reporting Services.enCommunityServer 2007 SP1 (Build: 20510.895)http://forums.asp.net/thread/2566422.aspxTue, 19 Aug 2008 11:28:55 GMT4c671506-2930-414c-a40b-8bf57ded5924:2566422aspneto0http://forums.asp.net/thread/2566422.aspxhttp://forums.asp.net/commentrss.aspx?SectionID=191&PostID=2566422<p>&nbsp;I got the solution on another forum from a user named bsmitha&nbsp; :<br /><br />=Runningvalue(Fields!&lt;Field&gt;.Value,Sum,&quot;&lt;Matrix_GroupName(Row/Column Grouping)&gt;&quot;)<br /><br /><br />Thanks.<br /><br /></p>http://forums.asp.net/thread/2566236.aspxTue, 19 Aug 2008 10:01:56 GMT4c671506-2930-414c-a40b-8bf57ded5924:2566236aspneto0http://forums.asp.net/thread/2566236.aspxhttp://forums.asp.net/commentrss.aspx?SectionID=191&PostID=2566236<p>&nbsp;<font size="2"><span style="font-family:Arial;">Hello,<br /> Is there a way to do a matrix that will </span></font>accumulat my resoult?<br /> <br /> for example:<br /> I have month 1 with value 1<br /> month 2 with value 2<br /> month 3 with value 3 and so on.<br /> <br /> In the matrix I want to get for month 1 the value 1. for month 2 the value 3 (the sum of month 1 and 2) and for month 3 the value 6 (month 1 + 2 + 3).<br /> <br /> I know that I can get the value from row above with &quot;previous&quot; function but I need here the previous column.<br /> <br /> Thanks.<br /> </p>