Manipulate Products - DML Operations on DataSet Through Oracle Provider for OLEDB

• Overview of the Sample Application
• User Notes with Screen Shots
• Required Software
• Extracting the Sample
• Database Setup
• Preparing and Running the Sample 
• Description of Sample files 

When this sample application is run, a list of Products from database is displayed as shown in figure 1.2, 
The user can add new products by appending new data in the datagrid displayed, also the user can update the existing 
data for products by overwriting the existing values. To commit changes the user can click the 'Save' button. 
On clicking the 'Close' button, the application gets closed. 

                                            Figure 1.2 Screen shot for Manipulate Products Sample 

Required Software

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1. Visual C# installed with MS Development Environment 7.0 version (MS Visual Studio .NET)  including MS .NET Framework 1.0 version

2. Oracle8i Database or later running SQL*Net TCP/IP listener (can be downloaded here )

3. Oracle Provider for OLE DB (can be downloaded here)

Extracting the Sample

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Unzip DMLOperOnDS.zip using Winzip or command utility to your convenient directory. Extraction of the zip file results 
in the creation of 'DMLOperOnDS' directory. 

Database Setup

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Connect to your database as any user and run the script DMLOperOnDS\Config\DatabaseSetup.sql at the 
SQL prompt
SQL> @<your directory structure>\DMLOperOnDS\Config\DatabaseSetup.sql

This creates a user "OraNet" with password "OraNet". All the database objects required by the application
are created and populated with initial data.

Following is the list of database objects that get created by running DatabaseSetup.sql file. 

Object Name	Description
Products	Table that store information about products.
Printmedia	Table that stores information about the advertisement related to products.
Prodid_seq	Sequence for auto generating Product IDs.
Adid_seq	Sequence for auto generating Advertisement ID.
Populate_AdID	Trigger for populating  Ad_ID column of 'PrintMedia'  table on insertion.
PopulateProduct_ID	Trigger for populating value of Product_ ID field from Adid_seq sequence, on insertion.

Preparing and Running the Sample

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1. Ensure that the Database setup has been completed. 

2. Open DMLOperOnDS.sln using Visual Studio .NET from <your-directory-structure>\DMLOperOnDS\src folder. 

3. Edit ConnectionParams.cs file to change the database connection parameters i.e.TNSName for  database
you want to use . Save this file. 

4. Ensure that the following .NET Component References have been added to DMLOperOnDS project: 
          System, 
          System.Data, 
          System.Drawing, 
          System.Windows.Forms, 
          System.XML. 

To add the above .NET Components 
a)Go to Menu ->View-> Solution Explorer. 
b)Right click on DMLOperOnDS project, choose 'Add Reference'. 
c)Choose the above .NET Components from the list displayed. 
d)Click 'Select', then OK. 
e) The chosen .NET component gets added to the project.