Introduction
I will explain How to add the item to ListBox by coding in Asp.Net.
Description
ASP.NET ListBox & DataBinding ListBox is used to read data from a Database conditioned.
SelectionMode = "Multiple".
Example
<%@
page language="C#" autoeventwireup="true" codefile="How-to-additem-ListBox-coding-c.aspx.cs"
inherits="How_to_additem_ListBox_coding_c"
%>
<!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
runat="server">
<title>How to
add the item to ListBox by coding</title>
</head>
<body>
<form id="form1"
runat="server">
<div>
<asp:listbox id="ListBox1" runat="server" height="201px" selectionmode="Multiple" width="388px"></asp:listbox>
</div>
</form>
</body>
</html>
|
C#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.OleDb;
public partial
class How_to_additem_ListBox_coding_c : System.Web.UI.Page
{
protected void Page_Load(object
sender, EventArgs e)
{
{
string strConn; string sqlCustomers; strConn = "Provider=Microsoft.JET.OLEDB.4.0;data source=" + Server.MapPath("App_Data/Northwind.mdb"); sqlCustomers = "SELECT CustomerID,ContactName, Address,City"; sqlCustomers += " FROM Customers"; OleDbConnection Conn = new OleDbConnection(strConn); Conn.Open(); |
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