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Creating a Microsoft ASP.NET Web Form

Creating a Microsoft ASP.NET Web Form. Overview. Creating Web Forms Using Server Controls. Lesson: Creating Web Form s. What is a Web Form? A web form is ASP.NET component that allows programmers build a web page. Creating a Web Form with Visual Studio .NET. What Is a Web Form?.

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Creating a Microsoft ASP.NET Web Form

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  1. Creating a Microsoft ASP.NET Web Form

  2. Overview • Creating Web Forms • Using Server Controls

  3. Lesson: Creating Web Forms • What is a Web Form? • A web form is ASP.NET component that allows programmers build a web page. • Creating a Web Form with Visual Studio .NET

  4. What Is a Web Form? • .aspx extension • Page attributes • @ Page directive • Body • Form <%@ Page Language="vb" Codebehind=“Default.aspx.vb" Inherits="_Default"%> <html> <body> <form id="Form1" runat="server"> </form> </body> </html>

  5. Creating a Web Form with Visual Studio .NET • New ASP.NET Web Applications create a default Web Form: Default.aspx • Create additional Web Forms from the Solution Explorer

  6. Lesson: Using Server Controls • What is a Server Control? • Types of Server Controls • Saving View State • Demonstration: Converting HTML Controls to Server Controls • HTML Server Controls • Web Server Controls • Selecting the Appropriate Control

  7. What is a Server Control? <asp:Button id="Button1" runat="server" Text="Submit"/> • Runat="server" • Events happen on the server • Have built-in functionality • Common object model • All have Id and Text attributes • Create browser-specific HTML

  8. Types of Server Controls • HTML server controls • Ex) <input id="Button1" type="button" value="button" runat="server" /> • Web server controls • Ex) <asp:Button ID="Button2" runat="server" Text="Button" /> • Intrinsic controls • Validation controls • Rich controls • List-bound controls

  9. Demonstration: Converting HTML Controls to Server Controls • Upgrade HTML controls to HTML server controls • Add a Web server control

  10. HTML Server Controls • Based on HTML elements • Exist within the System.Web.UI.HtmlControls namespace <input type="text" id="txtName"runat="server" />

  11. Web Server Controls • Exist within theSystem.Web.UI.WebControls namespace Control syntax HTML that is generated by the control <asp:TextBox id="TextBox1" runat="server">Text_to_Display </asp:TextBox> <input name="TextBox1" type="text" value="Text_to_Display" Id="TextBox1"/>

  12. Selecting the Appropriate Control Use HTML Server Controls if: Use Web Server Controls if: You prefer an HTML-like object model You prefer a Visual Basic-like programming model You are working with existing HTML pages and want to quickly add ASP.NET Web page functionality You are writing a page that might be used by a variety of browsers The control will interact with client and server script The control will interact with server script Bandwidth is limited Bandwidth is not a problem

  13. Demonstration: Adding Server Controls to a Web Form • Create a Web Form • Add TextBox, Button, and Label controls • Add a Calendar control

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