Simple SQL Connection

@Throws(SQLException::class)
    fun DAL_Start_Open_Order(areacode: String){
        connectionClass = ConnectionClass()

        try {
            val bIsSuccess = DAL_StartOpenOrder(areacode)
            if (!bIsSuccess!!){

            }
        } catch (ex: Exception) {
            throw ex
        }
    }

    @Throws(SQLException::class)
    fun DAL_StartOpenOrder(areacode: Any): Boolean? {
        connectionClass = ConnectionClass()
        var bIsSuccess: Boolean? = false
        val conn = connectionClass.CONN()
        try {
            val stmt = conn!!.createStatement()
            val rs = stmt.executeQuery("exec Sp_Drd_get_Req_apoved_list_by_periodate '" +
                    areacode + "'"
            )
            while (rs.next()) {
                val datanum = HashMap<String, String>()
                mOrderStats.add(datanum)
                bIsSuccess = true
            }
        } catch (ex: Exception) {
            throw ex
        }
        return bIsSuccess
    }