IList Generic Interface using ASP.NET 2.0 and C#.NET

This example demonstrates how to use IList Generic Interface to store data.

This example demonstrates how to use IList Generic Interface to store data.
IList Generic Interface represents a collection of objects that can be individually accessed by index.
First, you will need to import the System.Collections.Generic namespace.

using System.Collections.Generic;

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The System.Collections.Generic namespace contains interfaces and classes that define generic collections, which allow users to create strongly typed collections that provide better type safety and performance than non-generic strongly typed collections.

We use the BindData function to do the work.
We use GridView control to display data. The code as follow:

private void BindData() { IList<UserInfo> userinfos = new List<UserInfo>(); for (int i = 0; i < 5; i++) { UserInfo info = new UserInfo("username" + i.ToString(), "password" + i.ToString()); userinfos.Add(info); } this.GridView1.DataSource = userinfos; this.GridView1.DataBind(); }

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I add one userinfo custom class which is used to store data.The code as follow:

using System; /// <summary> /// UserInfo /// </summary> public class UserInfo { private string _userName = string.Empty; private string _password = string.Empty; public UserInfo() { } public UserInfo(string userName, string password) { this._userName = userName; this._password = password; } public string UserName { get { return _userName; } } public string Password { get { return _password; } } }

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The front end TemplateCsharp.aspx page looks something like this:

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" BackColor="White" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Horizontal"> <FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" /> <Columns> <asp:BoundField DataField="UserName" HeaderText="UserName" /> <asp:BoundField DataField="Password" HeaderText="Password" /> </Columns> <RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" /> <SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" /> <PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Right" /> <HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" /> <AlternatingRowStyle BackColor="#F7F7F7" /> </asp:GridView>

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The flow for the code behind page is as follows.

using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Collections.Generic; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) BindData(); } private void BindData() { IList<UserInfo> userinfos = new List<UserInfo>(); for (int i = 0; i < 5; i++) { UserInfo info = new UserInfo("username" + i.ToString(), "password" + i.ToString()); userinfos.Add(info); } this.GridView1.DataSource = userinfos; this.GridView1.DataBind(); } }

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