If you have created a new report it is important that you save your report as the correct type file.
Save as type: Telerik Report Definition XML (*.trdx)
Do not save reports with the .trdp extension.

If you have created a new report it is important that you save your report as the correct type file.
Save as type: Telerik Report Definition XML (*.trdx)
Do not save reports with the .trdp extension.