This Post will show you how to binding a Menu Control to SQL Server database using C#. By this sample, you can create a database driven menu in ASP.Net.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DynamiCMenu.aspx.cs" Inherits="DynamiCMenu" %>
<!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>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Menu ID="Menu1" Orientation="Horizontal" runat="Server">
<StaticMenuStyle
BackColor="#eeeeee"
BorderStyle="solid"
BorderColor="Black"
BorderWidth="1" />
<DynamicMenuStyle
BackColor="#eeeeee"
BorderStyle="solid"
BorderColor="Black"
BorderWidth="1"/>
</asp:Menu>
</div>
</form>
</body>
</html>
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 DynamiCMenu : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
PopulateMenu();
}
public void PopulateMenu()
{
DataSet dst = CreateDS();
foreach (DataRow masterRow in dst.Tables["Company"].Rows)
{
MenuItem masterItem = new MenuItem((string)masterRow["CompanyName"]);
Menu1.Items.Add(masterItem);
foreach (DataRow childRow in masterRow.GetChildRows("ParentChild"))
{
MenuItem childItem = new MenuItem((string)childRow["Name"]);
masterItem.ChildItems.Add(childItem);
}
}
}
private DataSet CreateDS()
{
DataSet ds;
if (Session["DataList_ParentChild"] == null)
{
ds = new DataSet();
DataTable dt = new DataTable("Company");
DataRow dr;
dt.Columns.Add(new DataColumn("ID", typeof(Int32)));
dt.Columns.Add(new DataColumn("CompanyName", typeof(string)));
dt.Columns.Add(new DataColumn("Address", typeof(string)));
dt.Columns.Add(new DataColumn("Name", typeof(string)));
dt.Columns.Add(new DataColumn("Dept", typeof(string)));
for (int i = 1; i < 10; i++)
{
dr = dt.NewRow();
dr[0] = i;
dr[1] = "Company " + i;
dr[2] = "Address " + i;
dr[3] = "Manager name";
dr[4] = "Adminstration";
dt.Rows.Add(dr);
}
ds.Tables.Add(dt);
DataColumn[] Parent_PKColumns = new DataColumn[1];
Parent_PKColumns[0] = dt.Columns["ID"];
dt.PrimaryKey = Parent_PKColumns;
dt = new DataTable("Employees");
dt.Columns.Add(new DataColumn("ID", typeof(Int32)));
dt.Columns.Add(new DataColumn("CompanyID", typeof(Int32)));
dt.Columns.Add(new DataColumn("Name", typeof(string)));
dt.Columns.Add(new DataColumn("Dept", typeof(string)));
for (int i = 1; i < 10; i++)
{
int imax = 0;
if (i % 2 == 0) imax = 5;
else imax = 4;
for (int y = 2; y < imax; y++) //3 emplyees for each company
{
dr = dt.NewRow();
dr[0] = y + i * 5;
dr[1] = i;
dr[2] = "Employee # " + dr[0];
dr[3] = "Dept # " + (y + i);
dt.Rows.Add(dr);
}
}
DataColumn[] Child_PKColumns = new DataColumn[1];
Child_PKColumns[0] = dt.Columns["ID"];
dt.PrimaryKey = Child_PKColumns;
ds.Tables.Add(dt);
DataColumn[] Child_FKColumns = new DataColumn[1];
Child_FKColumns[0] = dt.Columns["CompanyID"];
ds.Relations.Add("ParentChild", Parent_PKColumns, Child_FKColumns);
Session["DataList_ParentChild"] = ds;
}
else
{
ds = (DataSet)Session["DataList_ParentChild"];
}
return ds;
}
}