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Module 3: Using Microsoft .NET- Based Languages

Overview ,[object Object],[object Object],[object Object]

Lesson: Overview of the .NET-Based Languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Multiple Language Support ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Common Language Runtime ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Common Language Runtime Components .NET Framework Class Library Support Thread Support COM Marshaler MSIL to Native Compilers Code Manager Garbage Collector Security Engine Debug Engine Class Loader Type Checker Exception Manager

Runtime Compilation and Execution Native code C# code Visual Basic .NET code default.aspx Runtime HTML Which language? Visual Basic .NET compiler C# compiler MSIL JIT compiler

What are Namespaces? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Imports System.Data.SqlClient using System.Data.SqlClient;

Using Namespaces ,[object Object],[object Object],Dim listBox1 As New System.Web.UI.WebControls.ListBox() listBox1.Items.Add("First Item") Imports System.Web.UI.WebControls ... Dim listBox1 As New ListBox() listBox1.Items.Add("First Item") using System.Web.UI.WebControls; ... ListBox listBox1 = new ListBox(); listBox1.Items.Add("First Item"); System.Web.UI.WebControls.ListBox listBox1 = new System.Web.UI.WebControls.ListBox(); listBox1.Items.Add("First Item");

Lesson: Comparison of the .NET-Based Languages ,[object Object],[object Object],[object Object],[object Object]

Visual Basic .NET ,[object Object],[object Object],[object Object],Private Sub Button1_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button1.Click Dim i As Integer = 0 Dim x As Double = TextBox1.Text For i = 0 To 4 x *= 2 Label1.Text = Label1.Text & x & "," Next End Sub

C# ,[object Object],[object Object],private void Button1_Click(object sender, System.EventArgs e) { int i = 0; double x = Convert.ToDouble(TextBox1.Text); for (i=0; i<=4; i++) { x *= 2; Label1.Text = Label1.Text + x + ","; } }

Choosing a Language ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Practice: Language Translation ,[object Object],[object Object],[object Object],[object Object]

Lesson: Creating a Component Using Visual Studio .NET ,[object Object],[object Object],[object Object],[object Object]

What are Classes and Components? ,[object Object],[object Object],[object Object],[object Object],Web application Windows application Web application component

[object Object],[object Object],[object Object],Creating a Class Public Class Shipping Function ShippingCost _ (ByVal sngPrice As Single) As Single ' … Return (sngShipping) End Function End Class public class Shipping { public Single ShippingCost (Single sngPrice) { //… return sngShipping; } }

Using Components in an ASP.NET Web Form ,[object Object],[object Object],[object Object],sngShipping = x.ShippingCost(sngPrice); Dim x As New CompanyA.Shipping Namespace CompanyA Class Shipping Function ShippingCost (…) End Class End Namespace component.dll sngShipping = _ x.ShippingCost(sngPrice) CompanyA.Shipping x = new CompanyA.Shipping(); namespace CompanyA { class Shipping { public void ShippingCost (…) { } } } component.dll

Demonstration: Creating a Class in Visual Studio .NET ,[object Object],[object Object],[object Object]

Review ,[object Object],[object Object],[object Object]

Lab 3: Building a Microsoft Visual Studio .NET Component Medical Medical.aspx Benefits Home Page Default.aspx Life Insurance Life.aspx Retirement Retirement.aspx Dental Dental.aspx Dentists Doctors Doctors.aspx Doctors Logon Page Login.aspx Registration Register.aspx Coho Winery Prospectus Prospectus.aspx XML Web Service dentalService1.asmx Page Header Header.ascx ASPState tempdb Lab Web Application User Control namedate.ascx Menu Component Class1.vb XML Files Web. config Medical Medical.aspx Benefits Home Page Default.aspx Life Insurance Life.aspx Retirement Retirement.aspx Dental Dental.aspx Dentists Doctors Doctors.aspx Doctors Logon Page Login.aspx Registration Register.aspx Prospectus Prospectus.aspx XML Web Service dentalService1.asmx Page Header Header.ascx ASPState tempdb Lab Web Application User Control namedate.ascx Menu Component Class1.vb or Class1.cs XML Files Web. config

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