Code the Web Page

Provides step-by-step instructions that guide you through the process of coding your ASP.NET Web page.

Update the Web.config File

The default Web.config file added when you created the solution does not contain the configuration code needed to access the COBOL runtime and configure the project to run COBOL applications. Here, you replace the default file with a provided updated file.

  1. In the Solution Explorer, right-click Web.config; then select Delete from the context menu.
  2. Click OK to delete the file.
  3. Right-click the SqlBookDemoWebApplication project; then select Add > Existing Item.
  4. Browse to the %PUBLIC%\Documents\Micro Focus\Enterprise Developer\Samples\SQL\\SqlBookDemoWebApplication directory.
  5. Double-click Web.config.

Paint the Form

  1. In the Solution Explorer, right-click Default.aspx; then select View Designer from the context menu.
  2. At the bottom of the Form Designer, click Source.
  3. Add the following code immediately before the closing </asp:Content> element:
        <asp:Label ID="Label1" runat="server" Text="CATALOG SEARCH"></asp:Label>
        <asp:Label ID="catalogNumberLabel" runat="server" Text="Catalog Number"></asp:Label>
        <asp:TextBox ID="textBoxStockNo" runat="server"></asp:TextBox>
        <asp:Button ID="searchButton" runat="server" Text="Search" OnClick="searchButton_Click" />
        <asp:Label ID="errorLabel" runat="server" Text="Status" Visible="False"></asp:Label>
        <asp:TextBox ID="errorField" runat="server"></asp:TextBox>
        <asp:Label ID="Label2" runat="server" Text="RESULTS"></asp:Label>
        <asp:Label ID="titleLabel" runat="server" Text="Title"></asp:Label>
        <asp:TextBox ID="textBoxTitle" runat="server"></asp:TextBox>
        <asp:Label ID="authorLabel" runat="server" Text="Author"></asp:Label>
        <asp:TextBox ID="textBoxAuthor" runat="server"></asp:TextBox>
        <asp:Label ID="typeLabel" runat="server" Text="Type"></asp:Label>
        <asp:TextBox ID="textBoxType" runat="server"></asp:TextBox>
        <asp:Label ID="priceLabel" runat="server" Text="Price"></asp:Label>
        <asp:TextBox ID="textBoxPrice" runat="server"></asp:TextBox>
        <asp:Label ID="soldLabel" runat="server" Text="Sold"></asp:Label>
        <asp:TextBox ID="textBoxSold" runat="server"></asp:TextBox>
        <asp:Label ID="onHandLabel" runat="server" Text="On Hand"></asp:Label>
        <asp:TextBox ID="textBoxOnHand" runat="server"></asp:TextBox>
        <asp:Label ID="stockValueLabel" runat="server" Text="Stock Value"></asp:Label>
        <asp:TextBox ID="textBoxStockValue" runat="server"></asp:TextBox>
    Note: This is a short-cut method to painting the form. Alternatively, you could paint the form using the Toolbox. For more information, see the Painting a Button and a Label section in Tutorial: Developing .NET COBOL Applications.
  4. Save the form, but do not close the Form Designer.

Create a Click Event

  1. At the bottom of the Form Designer, click Design.
  2. Double-click the Search button on the form.

    This opens Default.aspx.cbl in the COBOL editor, and inserts a searchButton_Click method into the code. This method is known as a Click Event. At this point in development, the method is empty.

  3. Click Save All Save All.
  4. Close the Default.aspx file in the Form Designer.

Code the searchButton_Click method

This calls the legacy program and provides input values.

  1. In the COBOL editor, edit the code for the searchButton_Click method to read as follows:
           method-id searchButton_Click protected.
           working-storage section.
           01 book type SqlBookWrapper.SqlBook.
           01 anException type System.Exception.
           01 bookFunction string.
           local-storage section.
           procedure division using by value lnkSender as object
                                    by value lnkEvent as type EventArgs.
                   set book to type SqlBookWrapper.SqlBook::New()
                   set book::StockNumber to textBoxStockNo::Text
                   set bookFunction to "1"
                   invoke book::CallLegacyWithRunUnit(bookFunction)
                   invoke self::PopulateForm(book)
               catch anException
                   invoke self::DisplayException(anException)
           end method.

Code the PopulateForm method

  1. In the COBOL editor, add code for the PopulateForm method as follows:
           method-id PopulateForm final private.
           procedure division using aBook as type SqlBookWrapper.SqlBook.
               if aBook <> null
                   set errorLabel::Visible to false
                   set errorField::Visible to false
                   set textBoxStockNo::Text to aBook::StockNumber
                   set textBoxTitle::Text to aBook::Title
                   set textBoxAuthor::Text to aBook::Author
                   set textBoxType::Text to aBook::Type
                   set textBoxPrice::Text to type System.Convert::ToString(aBook::RetailPrice)
                   set textBoxOnhand::Text to type System.Convert::ToString(aBook::NumberOnHand)
                   set textBoxSold::Text to type System.Convert::ToString(aBook::NumberSold)
                   set textBoxStockValue::Text to type System.Convert::ToString(aBook::StockValue)
                   set textBoxStockNo::Text to "****"
                   set textBoxTitle::Text to "*************************************"
                   set textBoxAuthor::Text to "*************************************"
                   set textBoxType::Text to "****"
                   set textBoxPrice::Text to "****"
                   set textBoxOnhand::Text to "****"
                   set textBoxSold::Text to "****"
                   set textBoxStockValue::Text to "*****"
           end method.
  2. Save the file and close the editor.