Software Applications Programming Errors and solutions.

Interview Questions and Answers for Networking 1. Define Network? A network is a set of devices connected by physical media links. A network is recursively is a connection of two or more nodes by a physical link or two or more networks connected by one or more nodes. 2. What is a Link? At the lowest level, a network can consist of two or more computers directly connected by some physical medium such as coaxial cable or optical fiber. Such a physical medium is called as Link. 3. What is a node? A network can consist of two or more computers directly connected by some physical medium such as coaxial cable or optical fiber. Such a physical medium is called as Links and the computer it connects is called as Nodes. 4. What is a gateway or Router? A node that is connected to two or more networks is commonly called as router or Gateway. It generally forwards message from one network to another. 5. What is point-point link? If the physical links are limited to a

Show parent child node value at runtime and populate treeview in asp.net. This program is use to populate treeview at runtime using asp.net. you can try this code. Imports System.Data Imports System.Configuration Imports System.Web Imports System.Web.Security Imports System.Web.UI Imports System.Web.UI.WebControls Imports System.Web.UI.WebControls.WebParts Imports System.Web.UI.HtmlControls Imports System.Data.SqlClient Imports System.Web.UI.WebControls.TreeNode Partial Class Bibliography Inherits System.Web.UI.Page Dim clscmn1 As New clsCommon Dim cn As New clsConnection Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not IsPostBack Then PopulateRootLevel() Else Exit Sub End If End Sub Private Sub PopulateRootLevel() Dim dt1 As New DataTable() Dim objCommand As New SqlCommand("select PRODUCT_CATEGORY_CD,PRODUCT_CATEGORY,(select count(*) FROM PRODUCT_CATEGORY