one form ReportViewer for show all reports asp.net c#

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C#5.0

reporting

I have:
formpage1.aspx: form shopping to select the month
The form has two textbox, initial date and end date, select the data
in a dataset and sends rptpage1.rdlc (open report as frmReport.aspx)

formpage2.aspx: form selecconar sales for the month
The form has two textbox, initial date and end date, select the data
in a dataset and sends rptpage2.rdlc (open report as frmReport.aspx)

I wish you create a form with the control frmReport.aspx
reportviewer1 to display all listings of my application

Question: how to invoke or call the reportviewer1 the form formReport.aspx
from formpage1.aspx or formpage2.aspx?

open all the reports in my application frmReport.aspx

formpage1.aspx.c
create dataset with purchases of the month
sending data to the report
one form ReportViewer for show all reports asp.net c#
rptpage1.rdlc
create instance of reportviewer1 (formReport.aspx) and open reporting