How can I pass a value to an existing parameter in a rdlc report

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VB

reporting

I design a rdlc report with "txtpayee" parameter and a text box with an expressing of

"=Parameters!txtpayee.value"

I want to pass the value from my combobox to the textbox in my report. The problem is when i try to do it, it pass the value but not in the textbox instead it creates another page.

What I have tried:

Dim params = New ReportParameter
params.Name = "txtpayee"
params.Values.Add(cmb_payee.Text)

With frm_rpt.ReportViewer1
     .LocalReport.SetParameters(params)
     .RefreshReport()
End With