9.3.5 Update Graph By Reimport Data From Database

Summary

The database used in this tutorial has been set up on Microsoft Azure.

This tutorial is a continuation of previous Tutorial Update Database Importing By LabTalk Substitution. It shows how to add a button on graph with LabTalk script to open a GetN dialog to enter company name and reimport database based on the new company name and get updated graph.

The procedure is based on Origin 2023b.

What you will learn

This tutorial will show you how to:

• Add a button on the graph with script.
• How to create a simple dialog to get new input.

Steps

Add Button to Run LabTalk Script

1. Right click at bottom-right corner of the graph1 created by the previous Tutorial Update Database Importing By LabTalk Substitution. Choose Add Text.... And type Modify... to create a text label.
2. Right click on the text Update and choose Properties... context menu to open Text Object dialog. Go to Programming tab. Note: In versions before Origin 2017, choose Programming Control... from the menu to open the Programming Control dialog.
3. Set Script, Run After to Button Up, and put the following script to the bottom text box. Click OK.

   string thecompany$="Professional Sales and Service"; //set first company name
   //The following 3 lines create a dialog to assign new thecompany$ string value
   getN
   (Company Name) thecompany$ //(Company Name) will be edit box label in dialog
   (Which Company to Analyze); //this is dialog title
   
   dbimport iw:=[book1]sheet1!; //reimport data of new company from database to Sheet1 of Book1

   

   The text object turns into a button

   

Use Button to Modify the Import

1. Click the Modify... button and enter new company name Riding Cycles

   

2. Click OK. Data will be reimported into sheet1 of Book1 and the graph will be auto updated.

   

3. To see all company names and total number of orders. Right click Sheet1 tab and choose Duplicate Without Data to create Sheet2.

   Click the on Sheet2 and choose SQL Editor.

   Modify the Query to be

   SELECT SalesLT.Customer.CompanyName, SUM(SalesLT.SalesOrderDetail.OrderQty ) AS OrderCounts
   FROM SalesLT.Customer
   INNER JOIN SalesLT.SalesOrderHeader 
   ON SalesLT.SalesOrderHeader.CustomerID =SalesLT.Customer.CustomerID 
   INNER JOIN SalesLT.SalesOrderDetail
   ON SalesLT.SalesOrderHeader.SalesOrderID =SalesLT.SalesOrderDetail.SalesOrderID 
   GROUP BY SalesLT.Customer.CompanyName
   ORDER BY SUM(SalesLT.SalesOrderDetail.OrderQty ) DESC

4. Click OK. All company names and total order numbers show so user can easily refer to this sheet when modifying to another company name to reimport.