how to create qr code in vb.net Part 6: Linking Access and the Web in .NET framework

Paint Code 128C in .NET framework Part 6: Linking Access and the Web

Part 6: Linking Access and the Web
Code-128 Maker In .NET Framework
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Code 128 Code Set C Decoder In Visual Studio .NET
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Barcode Encoder In .NET
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Scanning Bar Code In .NET Framework
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Painting Code 128 In Visual C#.NET
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Code 128B Creator In VB.NET
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Part 1: Part Title
Barcode Scanner In Java
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Microsoft Office Access 2003 Inside Out
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Else Got both dates, do range check If Len(strWhere) > 0 Then strWhere = strWhere & " AND tblReservations.CheckInDate <= #" & _ datEnd & "# AND tblReservations.CheckOutDate > #" & datStart & "#" Else strWhere = " WHERE tblReservations.CheckInDate <= #" & datEnd & _ "# AND tblReservations.CheckOutDate > #" & datStart & "#" End If End If End If Now, build the SQL for the query sql = "SELECT tblFacilities.FacilityID, tblFacilities.FacilityName, " & _ "tblEmployees.LastName & , & tblEmployees.FirstName & " & _ "( + tblEmployees.MiddleName) AS EmpName, " & _ "tblReservations.RoomNumber, tblReservations.CheckInDate, " & _ "tblReservations.CheckOutDate FROM tblEmployees INNER JOIN " & _ "(tblFacilities INNER JOIN tblReservations ON " & _ "tblFacilities.FacilityID=tblReservations.FacilityID) " & _ "ON tblEmployees.EmployeeNumber=tblReservations.EmployeeNumber " & _ strWhere & " ORDER BY CheckInDate" Set rs = Server.CreateObject("ADODB.Recordset") rs.Open sql, conn, 3, 3 strErr = Err.Description If rs.eof Then rs.AddNew End If
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Part 6: Linking Access and the Web
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I created this Web page by exporting the qryXmplFacilityReservationsForASP sample query to an Active Server Page. Because this page should requery the database each time it opens, I commented out the standard code in an Access-generated Active Server Page that reuses the previous recordset. The code attempts to fetch ID, StartDate, and EndDate parameters, and then it builds a filter using these parameters to find current reservations for the requested facility and date range. You can test this Active Server Page by copying it to your local Web server root folder and then entering the parameters as part of the URL. For example, if you want to display the reservations for facility number 3 for the month of August 2003, type the following in your browser s Address box and press Enter:
http://localhost/Reservations.asp ID=3&StartDate=08/01/03&EndDate=08/31/03
Provided you haven t modified the data in the original sample database, the Active Server Page should return one record, as shown in Figure 26-20.
Part 1: Part Title
Creating Static and Dynamic Web Pages
F26QQ20.bmp
Figure 26-20. Displaying a result in an Active Server Page using parameters in the URL.
Creating a Page to Filter an Active Server Page
To make an Active Server Page that accepts parameters really useful, you need to create a page using HTML forms that can accept the parameters and pass them to your Active Server Page. The HTML to create a form is fairly straightforward. You need a <FORM> tag that includes the action to take when a POST method is requested by a SUBMIT action from one of the controls on the form. You also need INPUT tags to define the names of the parameters and the type of data that the parameters can accept. You can find a sample Web page saved as ResSearch.htm in the \Webs\ActiveServerPages folder on your companion CD. The HTML code that defines the Web page is as follows:
<HTML> <HEAD> <meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252"> <meta http-equiv="Content-Language" content="en-us"> <TITLE>Reservation Search</TITLE> </HEAD> <BODY leftmargin="50" background="sumiback.jpg"> <font face="Verdana" size="4" color="#333399"> <STRONG>Housing Reservation System </STRONG></font><p> <img src="housing.jpg" width="241" height="124"><h3>Reservation Search</h3> <P>
Part 6: Linking Access and the Web
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Part 1: Part Title
Microsoft Office Access 2003 Inside Out
<b><font face="Verdana" size="2">Enter values below and click Submit to see reservations <br>for the selected Facility and date range.</font></b></P> <FORM METHOD="POST" ACTION="Reservations.asp"> <P> <font face="Verdana"><font size="2">Enter Facility ID: </font> <INPUT TYPE=TEXT NAME="ID" SIZE=5 MAXLENGTH=5></font></P> <P> <font face="Verdana"><font size="2">Enter Start Date: </font> <INPUT TYPE=TEXT NAME="StartDate" SIZE=8 MAXLENGTH=8><font size="2"> </font> <EM> <font size="2">-- mm/dd/yy</font></EM></font></P> <P> <font face="Verdana" size="2">Enter End Date: </font> <INPUT TYPE=TEXT NAME="EndDate" SIZE=8 MAXLENGTH=8><font size="2"> </font> <EM> <font size="2" face="Verdana">-- mm/dd/yy</font></EM></P> <INPUT TYPE=SUBMIT VALUE="Search"> <INPUT TYPE=RESET VALUE="Reset"> </FORM> <HR> <H5> Author: John L Viescas.<br> Copyright 2003 Viescas Consulting, Inc. All rights reserved. <BR> Revised: <!--WEBBOT BOT=TimeStamp S-Type="EDITED" S-Format="%m/%d/%y" startspan -->07/25/03<!--WEBBOT BOT=TimeStamp endspan i-checksum="12698" --></H5> </BODY> </HTML>
Part 6: Linking Access and the Web
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I used Microsoft FrontPage to create the basic form page, and then I modified it for this example. The key parts of the page are the <FORM> tag that identifies the Web page to call when the user clicks the Search button (Reservations.asp), and the <INPUT> tags that define the three parameters. You can copy this file to your local Web server root folder and then open it by entering the following in your browser Address box and pressing Enter:
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