DataBind Charts to Okta Data



Use the standard ADO.NET procedures for databinding to provide bidirectional access to Okta data from controls in the Visual Studio toolbox. This article demonstrates a graphical approach using wizards in Visual Studio, as well as how to databind with only a few lines of code.

DataBinding facilitates two-way interaction with data through UI controls. Using the CData ADO.NET Provider for Okta streamlines the process of binding Okta data to Windows Forms and Web controls within Visual Studio. In this article, we will demonstrate using wizards to establish a binding between Okta data and a chart that dynamically updates. Additionally, the code walk-through section will guide you through the creation of a chart using just 10 lines of code.

Binding Data to a Chart

DataBinding to a Chart consists of three steps: Instantiate the control, configure the data source, and databind.

Configure the Connection and Select Database Objects

To create a chart control and establish a connection to Okta, follow the steps outlined below using the Data Source Configuration Wizard. Within the wizard, you'll have the option to choose the specific Okta entities you wish to bind to.

  1. In a Windows Forms project, drag and drop a Chart control from the toolbox to the form. In the Data section of the Chart properties, select DataSource and then select Add Project Data Source from the menu.
  2. In the Data Source Configuration Wizard that appears, select Database -> Dataset.
  3. In the Choose Your Data Connection step, click New Connection.
  4. In the Add Connection dialog, click Change to select the CData Okta Data Source.

    Below is a typical connection string:

    Domain=dev-44876464.okta.com;InitiateOAuth=GETANDREFRESH

    To connect to Okta, set the Domain connection string property to your Okta domain.

    You will use OAuth to authenticate with Okta, so you need to create a custom OAuth application.

    Creating a Custom OAuth Application

    From your Okta account:

    1. Sign in to your Okta developer edition organization with your administrator account.
    2. In the Admin Console, go to Applications > Applications.
    3. Click Create App Integration.
    4. For the Sign-in method, select OIDC - OpenID Connect.
    5. For Application type, choose Web Application.
    6. Enter a name for your custom application.
    7. Set the Grant Type to Authorization Code. If you want the token to be automatically refreshed, also check Refresh Token.
    8. Set the callback URL:
      • For desktop applications and headless machines, use http://localhost:33333 or another port number of your choice. The URI you set here becomes the CallbackURL property.
      • For web applications, set the callback URL to a trusted redirect URL. This URL is the web location the user returns to with the token that verifies that your application has been granted access.
    9. In the Assignments section, either select Limit access to selected groups and add a group, or skip group assignment for now.
    10. Save the OAuth application.
    11. The application's Client Id and Client Secret are displayed on the application's General tab. Record these for future use. You will use the Client Id to set the OAuthClientId and the Client Secret to set the OAuthClientSecret.
    12. Check the Assignments tab to confirm that all users who must access the application are assigned to the application.
    13. On the Okta API Scopes tab, select the scopes you wish to grant to the OAuth application. These scopes determine the data that the app has permission to read, so a scope for a particular view must be granted for the driver to have permission to query that view. To confirm the scopes required for each view, see the view-specific pages in Data Model < Views in the Help documentation.

    When you configure the connection, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

  5. Choose the database objects you want to work with. This example uses the Users table.

DataBind

After adding the data source and selecting database objects, you can bind the objects to the chart. This example assigns the x-axis to Id and the y-axis to ProfileFirstName.

  1. In the Chart properties, click the button in the Series property to open the Series Collection Editor.
  2. In the Series properties, select the columns you want for the x- and y-axes: Select columns from the menu in the XValueMember and YValueMember properties.

The chart is now databound to the Okta data. Run the chart to display the current data.

Code Walk-through

DataBinding to Okta data requires only a few lines of code and can be completed in three easy steps.

  1. Connect to Okta.
  2. Create the OktaDataAdapter to execute the query and create a DataSet to be filled with its results.
  3. DataBind the result set to the chart.

Below is the complete code:

OktaConnection conn = new OktaConnection("Domain=dev-44876464.okta.com;InitiateOAuth=GETANDREFRESH"); OktaCommand comm = new OktaCommand("SELECT Id, ProfileFirstName FROM Users WHERE Status = 'Active'", conn); OktaDataAdapter da = new OktaDataAdapter(comm); DataSet dataset = new DataSet(); da.Fill(dataset); chart1.DataSource = dataset; chart1.Series[0].XValueMember = "Id"; chart1.Series[0].YValueMembers = "ProfileFirstName"; // Insert code for additional chart formatting here. chart1.DataBind();

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