report viewer

 In my application want to display report depening upon empname . if user enter  empname in textbox and click on reprtsbtn it should show report for that empname.But i dont know how to send parameters  empname  and clientid  to generate report.

below sql query in dataset reports.xsd

select distinct EmpID,EmpName,SDate,EDate,Total from Employee where EmpName=@EmpName and ClientID=@ClientID

Reports.aspx

<rsweb:ReportViewer ID="ReportViewer1" runat="server" Font-Names="Verdana" 
                Font-Size="8pt" Height="400px" Width="837px"><LocalReport ReportPath="Reports.rdlc"><DataSources><rsweb:ReportDataSource DataSourceId="ObjectDataSource1" 
                            Name="AReport_EmpAsReport" /></DataSources></LocalReport></rsweb:ReportViewer><asp:ObjectDataSource ID="ObjectDataSource1" runat="server" 
                SelectMethod="GetData" 
                TypeName="AReportTableAdapters.EmpAsReportTableAdapter"></asp:ObjectDataSource>

list.aspx

empname :textbox

  protected void btnreports_Click(object sender, EventArgs e)
    {
         Response.Redirect("Reports.aspx");
    }

when i ckick on generatetn it shows below error

An error has occurred during report processing.
 ObjectDataSource 'ObjectDataSource1' could not find a non-generic method 'GetData' that has no parameters.