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Web Design & Programming

Web Design & Programming. ASP Dr.Husam Osta 2013. Outlines. What is ASP? Internet Information Services How Does ASP Differ from HTML? What can ASP do for you? ASP Basic Syntax Rules ……. What is ASP?. ASP stands for  Active Server  Pages , or classical ASP

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Web Design & Programming

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  1. Web Design & Programming ASP Dr.HusamOsta 2013

  2. Outlines • What is ASP? • Internet Information Services • How Does ASP Differ from HTML? • What can ASP do for you? • ASP Basic Syntax Rules • ……..

  3. What is ASP? • ASP stands for Active Server Pages ,or classical ASP • ASP is Microsoft's first server side scripting engine • It enables you to make dynamic and interactive web pages. • ASP is a program that runs inside Internet Information Services (IIS) • An ASP file can contain • Text, HTML, XML, and scripts • Scripts in an ASP file are executed on the server • The default scripting language used for ASP is VBScript, or others like JScript • An ASP file has the file extension “.asp”

  4. Internet Information Services • Internet Information Services is an extensible web server created by Microsoft for use with Windows family.  • IIS supports: • HTTP, HTTPS, FTP, FTPS, SMTP and NNTP. • It is an integral part of Windows family since Windows NT 4.0, though it may be absent from some edition (e.g. Windows XP Home edition). • IIS is not turned on by default when Windows is installed.

  5. How Does ASP Differ from HTML? • When a browser requests an HTML file • the server returns the file • When a browser requests an ASP file • IIS passes the request to the ASP engine. • The ASP engine reads the ASP file, line by line, and executes the scripts in the file. • Finally, the ASP file is returned to the browser as plain HTML

  6. What can ASP do for you? • Dynamically edit, change, or add any content of a Web page • Respond to user queries or data submitted from HTML forms • Access any data or databases and return the results to a browser • Customize a Web page to make it more useful for individual users

  7. Advantages of ASP … • The advantages over other technologies, are • Simplicity • speed • Provide security since the code cannot be viewed from the browser • Clever ASP programming can minimize the network traffic

  8. ASP.Net Technology • It is a unified Web development model • It includes services necessary to build enterprise-class web applications with minimum of coding. • This technology is developed under the .Net framework that is provided in the visual studio platform

  9. ASP Basic Syntax Rules • An ASP file normally contains HTML tags, just like an HTML file. • An ASP file can also contain server scripts, surrounded by the delimiters <% and %>. • The command response.write is used to write output to a browser. Example <html> <body> <% response.write(“My first ASP script!”) %> </body> </html>

  10. ASP Basic Syntax Rules • ASP can format text with HTML tags <!DOCTYPE html><html><body> <% response.write("<h2>You can use HTML tags to format the text!</h2>") %> <%response.write("<p style='color:#0000ff'>This text is styled with the style attribute!</p>") %></body></html>

  11. ASP Variables • Variables are used to store information. • The example demonstrates • how to declare a variable, assign a value to it, and use the value in a text. <!DOCTYPE html><html><body> <% dim name name="Donald Duck"response.write("My name is: " & name) %></body></html>

  12. Declare an Array • Arrays are used to store a series of related data items. • The example demonstrates how to declare an array that stores names. <!DOCTYPE html><html><body> <% Dim famname(5),ifamname(0) = "Jan Egil"famname(1) = "Tove"famname(2) = "Hege"famname(3) = "Stale"famname(4) = "Kai Jim"famname(5) = "Borge" For i = 0 to 5response.write(famname(i) & "<br>") Next %></body></html>

  13. Example of Loop <!DOCTYPE html><html><body> <% dim i  for i=1 to 6response.write("<h" & i & ">Heading " & i & "</h" & i & ">") next %></body></html>

  14. Time-based Time-based greeting using VBScriptThis it will display a different message to the user depending on the time on the server.

  15. <!DOCTYPE html><html><body> <% dim h h=hour(now()) response.write("<p>" & now())response.write("</p>") If h<12 thenresponse.write("Good Morning!") elseresponse.write("Good day!") end if %></body></html>

  16. ASP Forms • Get • A form with method="get“ is how to interact with the user, with >>>> Request.QueryStringcommand. • Information sent from a form with the GET method is visible to everyone (it will be displayed in the browser's address bar) and has limits on the amount of information to send. • Post • A form with method="post“ is how to interact with the user, with >>>> Request.Form command. • Information sent from a form with the POST method is invisible to others and has no limits on the amount of information to send. • Radiobuttons • A form with radio buttons is how to interact with the user, through radio buttons, with >>>> Request.Form command.

  17. ASP Forms – Get / Post method <!DOCTYPE html><html><body> <form action="demo_reqquery.asp" method="get"> Your name: <input type="text" name="fname" size="20" /> <input type="submit" value="Submit" /> </form> <% dim fnamefname=Request.QueryString("fname") ((request.form)) If fname<>"" ThenResponse.Write("Hello " & fname & "!<br>")Response.Write("How are you today?") End If %></body></html>

  18. Radiobuttons <!DOCTYPE html><html> <% dim cars cars=Request.Form("cars") %><body><form action="demo_radiob.asp" method="post"><p>Please select your favorite car:</p><input type="radio" name="cars"<%if cars="Volvo" then Response.Write("checked")%> value="Volvo">Volvo</input><br><input type="radio" name="cars"<%if cars="Saab" then Response.Write("checked")%>value="Saab">Saab</input><br><input type="radio" name="cars"<%if cars="BMW" then Response.Write("checked")%>value="BMW">BMW</input><br><br><input type="submit" value="Submit" /></form> <% if cars<>"" thenResponse.Write("<p>Your favorite car is: " & cars & "</p>") end if %></body></html>

  19. Check box <!DOCTYPE html><html><body> <% fruits=Request.Form("fruits")%> <form action="demo_checkboxes.asp" method="post"> <p>Which of these fruits do you prefer:</p> <input type="checkbox" name="fruits" value="Apples"<% if instr(fruits,"Apple") then Response.Write("checked")%>> Apple <br> <input type="checkbox" name="fruits" value="Oranges"<%if instr(fruits,"Oranges") then Response.Write("checked")%>> Orange <br> <input type="checkbox" name="fruits" value="Bananas"<%if instr(fruits,"Banana") then Response.Write("checked")%>> Banana <br> <input type="submit" value="Submit"> </form> <% if fruits<>"" then %>   <p>You like: <%Response.Write(fruits)%></p> <% end if %></body></html>

  20. ASP Sending e-mail with CDOSYS • CDOSYS is a built-in component in ASP. This component is used to send e-mails with ASP. • CDO (Collaboration Data Objects) is a Microsoft technology that is designed to simplify the creation of messaging applications. • CDOSYS is a built-in component in ASP.

  21. Examples – ASP Sending e-mail

  22. ASP – Date & Time • <!DOCTYPE html><html><body> <%response.write(FormatDateTime(date(),vbgeneraldate))response.write("<br>")response.write(FormatDateTime(date(),vblongdate))response.write("<br>")response.write(FormatDateTime(date(),vbshortdate))response.write("<br>")response.write(FormatDateTime(now(),vblongtime))response.write("<br>")response.write(FormatDateTime(now(),vbshorttime)) %><p> Syntax for FormatDateTime: FormatDateTime(date,namedformat).</p></body></html>

  23. To be continued…

  24. ASP text box types ! • The TextMode property accepts the following three values: • SingleLine— displays a single-line input field. • MultiLine— displays a multi-line input field. • Password— displays a single-line input field in which the text is hidden. • A basic TextBox:<asp:TextBox id="tb1" runat="server" />A password TextBox:<asp:TextBox id="tb2" TextMode="password" runat="server" />A TextBox with text:<asp:TextBox id="tb4" Text="Hello World!" runat="server" />A multiline TextBox:<asp:TextBox id="tb3" TextMode="multiline" runat="server" />

  25. Find the output example ! <form runat="server"> <asp:DropDownList id="drop1" runat="server"> <asp:ListItem>fall</asp:ListItem> <asp:ListItem>spring</asp:ListItem> <asp:ListItem>summer</asp:ListItem> </asp:DropDownList> <asp:Button Text="Submit" OnClick="submit" runat="server"/> <p><asp:label id="mess" runat="server"/></p> </form>

  26. Find the output example ! <form runat="server"> Enter your name: <asp:TextBox id="txt1" runat="server" /> <asp:password id="pass1" runat="server" /> <p><asp:Label id="lbl1" runat="server" /></p> <asp:Calendarrunat="server" /> <asp:ButtonOnClick="submit" Text="Submit" runat="server" /> </form>

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