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breadcrumbs
Posted on 2012-12-28
Hi
I have to create a breadcrumbs trails for the Categories and their subcategories as u have seen it in many sites...
Maincetegory > Subcategory >subsubcategory > subsubsubcategory >items
This is the depth of the category..
category table i have Categoryid and categoryparentid where categoryid is linked to it... I have to link it with the below table
SELECT [Id], ,[Name], parentcategoryid
FROM [Category]
Id Name parentcategoryid
1 Books 0
2 Computers 0
3 Desktops 2
4 Notebooks 2
5 Accessories 3
6 Software 2
7 Games 2
8 Electronics 0
9 Camera, photo 8
like this
and I want to have a breadcumps which shows
Books
Computers
Computers->Desktops
Computers->Notebooks
Computers->Desktops->Acces
This should be dynamic! thanks a lot!
any help will be appreciated
I have to create a breadcrumbs trails for the Categories and their subcategories as u have seen it in many sites...
Maincetegory > Subcategory >subsubcategory > subsubsubcategory >items
This is the depth of the category..
category table i have Categoryid and categoryparentid where categoryid is linked to it... I have to link it with the below table
SELECT [Id], ,[Name], parentcategoryid
FROM [Category]
Id Name parentcategoryid
1 Books 0
2 Computers 0
3 Desktops 2
4 Notebooks 2
5 Accessories 3
6 Software 2
7 Games 2
8 Electronics 0
9 Camera, photo 8
like this
and I want to have a breadcumps which shows
Books
Computers
Computers->Desktops
Computers->Notebooks
Computers->Desktops->Acces
This should be dynamic! thanks a lot!
any help will be appreciated
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6 Comments
Active today
Would this be helpful:
CREATE FUNCTION GetCategoryTrail
(
@p1 int
)
RETURNS nvarchar(1000)
AS
BEGIN
DECLARE @Result nvarchar(1000)
SELECT @Result = CASE [parentcategoryid] WHEN 0 THEN [Name] ELSE dbo.GetCategoryTrail([parentcategoryid]) + ' > ' + [Name] END
FROM [Category]
WHERE [Id] = @p1
RETURN @Result
END
GO
SELECT [Id], [Name], dbo.GetCategoryTrail([Id]) AS [Trail]
FROM [Category]
Thanks for that and it is working!
I'm little confused, how do I can show
Computers->Desktops->Acces
When I click Accessories from sitemap or breadcumps, that will show accessories items
and when I click on the desktop, it should show the desktop items.. whether I should write asp.net routing?
Im aware of how to show the items based on the category id via datalist/gridview...
delete2.png
I'm little confused, how do I can show
Computers->Desktops->Acces
When I click Accessories from sitemap or breadcumps, that will show accessories items
and when I click on the desktop, it should show the desktop items.. whether I should write asp.net routing?
Im aware of how to show the items based on the category id via datalist/gridview...
delete2.png
Active today
I'm not sure what you're asking, it sounds like you want to DataBind a label the same way you do with a grid? I'd have to see a bit more of your current page and/or code (showing the connection and category selection) to try to show you a way to do this in the same way, I would normally use a piece of code in the page load that reads the result of a SQL command using the current category id as parameter but maybe you're using 'asp:' tags to bind the data?
let me simplify
Let say I have menu where categories are being displayed, which is hardcoded in jquery, div tags
Under computers Menu category I have Accessories link, when the user click the Accessories.
after above menu, the display should show Computers ->Desktops->Accessories
All the computer, desktop, accessories, are individual hyperlinks
Hope you understood, and im going to second
2nd requirement, based on the above requirement:
when I click any of above computer-> desktop->, accessories , I will fetch the data based on the category code in the datalist...
Pls let me know, if it is not clear...
Let say I have menu where categories are being displayed, which is hardcoded in jquery, div tags
Under computers Menu category I have Accessories link, when the user click the Accessories.
after above menu, the display should show Computers ->Desktops->Accessories
All the computer, desktop, accessories, are individual hyperlinks
Hope you understood, and im going to second
2nd requirement, based on the above requirement:
when I click any of above computer-> desktop->, accessories , I will fetch the data based on the category code in the datalist...
Pls let me know, if it is not clear...
Active today
I think both requirements can be met by having the function return html links:
ALTER FUNCTION GetCategoryTrail
(
@p1 int
)
RETURNS nvarchar(1000)
AS
BEGIN
DECLARE @Result nvarchar(1000)
SELECT @Result = CASE [parentcategoryid]
WHEN 0 THEN '<a href="yourpage.aspx?catid=' + convert(nvarchar, [Id]) + '">' + [Name] + '</a>'
ELSE dbo.GetCategoryTrail([parentcategoryid]) + ' > ' + '<a href="yourpage.aspx?catid=' + convert(nvarchar, [Id]) + '">' + [Name] + '</a>'
END
FROM [Category]
WHERE [Id] = @p1
RETURN @Result
END
GO
Active today
Here's one way to work with the output generated by the function as changed in my previous post. Note that I used the pagename and querystringparameter name to match the arbitrary examples I used.
yourpage.aspx:
yourpage.aspx:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="yourpage.aspx.vb" Inherits="WebAppQ_27979539.WebForm1" %>
<!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></title>
</head>
<body>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="Data Source=.\sqlexpress;User Id=ee;Password=ee;" SelectCommand="SELECT dbo.GetCategoryTrail([Id]) FROM [Category] WHERE [Id] = @Id">
<SelectParameters><asp:QueryStringParameter Type="Int32" Name="Id" QueryStringField="catid" DefaultValue="5" /></SelectParameters>
</asp:SqlDataSource>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="Label" ></asp:Label>
</div>
</form>
</body>
</html>
Imports System.Data.SqlClient
Public Class WebForm1
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim dv As DataView = SqlDataSource1.Select(New DataSourceSelectArguments())
Label1.Text = dv.Table.Rows(0).Item(0)
End Sub
End Class
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