Execute Stored Procedure with Parameters

protected void CallSPwithParams(string passedparameter)

{

using (SqlConnection sqlcon = new SqlConnection(dbconn))

 {

  string updatequerry = "StoredProcedureName";

  SqlCommand cmd = new SqlCommand(updatequerry, sqlcon);

  cmd.CommandType = CommandType.StoredProcedure;

  cmd.Parameters.AddWithValue("@sqlparam", passedparameter );

  sqlcon.Open();

  cmd.ExecuteNonQuery();

  sqlcon.Close();

               

  }

}