I have a Table in an SSRS report. one of the Table Cells contains the Descriptions of Parts in an order. these descriptions could vary in length and for that reson i have se
This is how the Report Viewer's Excel renderer works. You cannot change the way it exports the excel file, however, there are other ways to resolve your issue.
My suggestion is #2 -- You can load the RDLC file in memory, and do your modifications there, then call the ReportViewer export function for that altered report.