Mega Code Archive
Build a DataTable
<![CDATA[
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="UsingDataTable" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Using DataTable</title>
</head>
<body>
<form id="form1" runat="server">
<div id="container">
<asp:ListBox ID="lboxTable" runat="server"
DataTextField="FullName"
DataValueField="Id" />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;
public partial class UsingDataTable : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataTable table = new DataTable();
DataColumn idCol = new DataColumn();
idCol.ColumnName = "Id";
idCol.DataType = typeof(Int32);
idCol.AllowDBNull = false;
idCol.Unique = true;
idCol.AutoIncrement = true;
DataColumn firstNameCol = new DataColumn("FirstName", typeof(string));
DataColumn lastNameCol = new DataColumn("LastName", typeof(string));
DataColumn phoneCol = new DataColumn("Phone", typeof(string));
DataColumn nameCol = new DataColumn("FullName", typeof(string));
nameCol.Expression = "LastName + ', ' + FirstName";
table.Columns.Add(idCol);
table.Columns.Add(firstNameCol);
table.Columns.Add(lastNameCol);
table.Columns.Add(phoneCol);
table.Columns.Add(nameCol);
DataRow r1 = table.NewRow();
r1[1] = "A";
r1[2] = "B";
r1[3] = "123-4567";
table.Rows.Add(r1);
DataRow r2 = table.NewRow();
r2["FirstName"] = "C";
r2["LastName"] = "D";
r2["Phone"] = "564-7823";
table.Rows.Add(r2);
lboxTable.DataSource = table;
lboxTable.DataBind();
}
}
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