generate qr code c# free specify the database connection you set up in step 1. in Visual C#.NET

Making QR Code in Visual C#.NET specify the database connection you set up in step 1.

specify the database connection you set up in step 1.
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5 In the wizard s second page (shown on the right in Figure 36-9), specify the query that
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contains the calculated expression. (The Record List will include a choice for the query name, plus the word VIEW.)
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6 In the wizard s third page (shown in Figure 36-10), be sure to include the calculated
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field in the output.
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7 In the fourth page, don t specify Drop-Down List One Record Per Item. 8 When the wizard finishes: 1 Right-click the Database Column Value component titled <<mailto>>, and
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choose Database Column Value Properties from the shortcut menu.
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2 Select the Column Value Contains HTML check box, and click OK.
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Part 9: Using Forms and Databases
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Microsoft Office FrontPage 2003 Inside Out The same general technique works for all sorts of HTML: <a href= > tags for hyperlinks, <img src= > tags for pictures, and so forth. In the case of an <img> tag, the database would contain the name of the picture file and not the picture itself. If for some reason you don t want to create a stored query, you can use calculated fields in a custom query. To do this, include the expression that defines the calculated field in the SQL statement you enter in the Custom Query dialog box (shown on the left in Figure 36-17).
Creating an Ordinary Hyperlink for a Database Column Value
Figure 36-29 shows another way of adding hyperlinks to a Database Results region.
Figure 36-29. You can build ordinary hyperlinks that surround Database Column Value components and, if you want, include database values from the same record.
Here s the full procedure:
1 Create an ordinary Database Results region that displays the text you want to use as
a hyperlink as well as all the field values you want to include in the hyperlink URL.
2 Right-click the Database Column Value component that shows the desired text, and
choose Hyperlink or Hyperlink Properties (whichever appears) from the shortcut menu.
3 Enter any address you want in the Address box of the Insert Hyperlink or Edit
Hyperlink dialog box.
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4 Wherever you want a value from the database to appear in the URL, enter an
expression such as the following:
<%=fp_rs("CategoryID")%>
Replace CategoryID with the name of the field you actually want. 908
Part 9: Using Forms and Databases
Accessing and Updating Databases with FrontPage Figure 36-30 shows the Web page from Figure 36-29 in use. Notice that the mouse pointer is over the CategoryName field for category 4 and that the status line at the bottom of the winX dow displays a URL that includes the query string CategoryID=4. The digit 4 comes from the CategoryID field listed in the first Database Results column. Clicking this hyperlink displays the nwcatqry.asp page (previously shown in Figure 36-16), instructing that page to display products with a CategoryID of 4.
Figure 36-30. The hyperlinks in the CategoryName column of this Web page jump to the nwcatqry.asp page and tell it to display records with a specified CategoryID code.
Two additional points regarding this approach are worth noting. The first point concerns the expression <%=fp_rs("CategoryID")%>:
The <% and %> tags mark the beginning and end of a block of ASP code. In other
words, the code between these tags is going to execute on the Web server. Note that the code that reads the database and formats the contents as HTML runs on the Web server and not on the browser. This is because the database resides on the server.
The equal sign is a shortcut that tells the ASP processor to evaluate the subsequent
expression and write it into the outgoing HTML.
The string fp_rs is the name of the recordset object that contains the records the
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database region will display. FrontPage automatically generates code that positions the recordset to each available record and then reports that record. A recordset, as you might suspect, is an object that contains the results of a database query.
Part 9: Using Forms and Databases
Microsoft Office FrontPage 2003 Inside Out
The string CategoryID is the name of the field that contains the value you want to
retrieve. Be sure to include this field in the third page of the Database Results Wizard (shown in Figure 36-10). The second point regards the query string variable name CategoryID. This actually refers to the name of the text box in the upper left corner of Figure 36-16, and not directly to the name of the database field. When FrontPage creates a form like the one shown in Figure 36-16, it just happens to use the same name for the form field as the corresponding field in the database.
Re-Creating and Formatting Database Results Regions
You can rerun the Database Results Wizard at will simply by double-clicking any part of the Database Results region that isn t another FrontPage component or HTML element. You can also rerun the wizard by right-clicking the Database Results region and choosing Database Results Properties from the shortcut menu, or by selecting the region and choosing Properties from the Format menu. You can format Database Results regions and their accompanying forms as much as you want, but keep in mind that rerunning the wizard might discard your formatting when it overwrites the Database Results region. You can never solve this problem completely, but here are some ways to minimize it:
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