The rdlc report is normally edited under vs2008. An error is returned when it is edited on vs2012.

Recently, our system development tools have been upgraded from vs2008 to 2012. Because many reports in the system are developed using rdlc, today

When you need to modify a report, you can directly use vs2012 to edit the rdlc report. After the result is changed, an error is reported for how to preview the report.

Later, I compared the report files before and after editing through the vsts source code manager, and found that I only changed one of the attributes, but vs2012

When editing the rdlc report file, many attributes and settings are automatically added to the report. I only undo the modification and use NotePad to open and modify the report.

And then fine-tune the report file in Notepad. Save the file and test it without any problems.

However, after editing with vs2012, you will not be able to survive. Later I checked it on Baidu, and many people reported the problem. It looks like Microsoft

During the vs upgrade, it seems that you forgot to consider the rdlc compatibility. In this way, when upgrading the development tool for our developers, we have to consider

Functionality is affected.