Report Viewer in vb.net

[vks_gautam]

this is mine code in reportviewerform load..

 Me.Item_Wholesale_Sale_DetailsTableAdapter.Fill(Me.PharmacyDataSet.Item_Wholesale_Sale_Details)
        Dim p As New ReportParameter("ReportParameter1", Form1.TextBox1.Text)
        ReportViewer1.LocalReport.SetParameters(p)
        Me.ReportViewer1.RefreshReport()

im passing parameter to my report but it doesn't seem working.still im getting all the data..i juest wanna a now how that parameter will restrict my data . i don't want all the data.
i have sale_id field so i just want to restrict my data in that field