Want To Call Procedure From VS 2005

dear all

 i am using VS 2005 and sqlserver 2005....

 i created one procedure [dbo].[Rptdailyactivity_jul](@cond Varchar(8000), @Type varchar(100),@groupname4fsumm varchar(100) ,@Fromdate4fsumm datetime, @todate4fsumm datetime)

i want to call this procedure from VS how???

i tried based on the following code...

usig the following code i can able to manipulate tables...but how i can able to call procedure based on this code??and how i will pass parameters???

      ************

          Dim Conomandb As New System.Data.SqlClient.SqlConnection("Data Source=HJIOertsv;Initial Catalog=tr;Integrated Security=True")
            If Conomandb.State = 1 Then Conomandb.Close()
            Conomandb.Open()


            Dim Comomandb1 As New System.Data.SqlClient.SqlCommand(strSQL, Conomandb)
            Dim rsOman1 As System.Data.SqlClient.SqlDataReader = Comomandb1.ExecuteReader()


             If rsOman1.Read() Then
                        fghghfghf

             End If
            Comomandb1.Cancel()
            Comomandb1.Dispose()
            rsOman1.Close()
            ''*********************