Thaidoweb 2008

When you’re studying for your CCNA exams, you’re going to study the theory of technologies we basically take for granted in networking. CSMA/CD is one of those technologies. It works beautifully and you don’t even have to configure it. But to be an effective network troubleshooter (and to pass the 640-811, 640-801, and 640-821 exams), you have to know Ethernet inside and out, and that means knowing CSMA/CD.
The first Ethernet standards were 10Base5 and 10Base2. Network devices such as hubs, [...]

Data repeaters in .NET are very usefull to display database
records onto screen. But usually, in a real world situation, you
don’t have enough functionality with 1
repeater.

Take for example some kind of menu structure. You want to
display a category, but every category can have 0 or more
subcategories. With 1 repeater, this cannot be done in a simple
way. In .NET, you can use nested repeaters for this.
Take the code below in the .aspx file:
… other HTML code … <asp:Repeater Runat=”server”
ID=”Category”> <ItemTemplate>
    <a
href=”category.aspx?category=<%#
DataBinder.Eval(Container.DataItem, “Category”) %>”><%#
DataBinder.Eval(Container.DataItem, [...]

Data repeaters in .NET are very usefull to display database
records onto screen. But usually, in a real world situation, you
don’t have enough functionality with 1
repeater.

Take for example some kind of menu structure. You want to
display a category, but every category can have 0 or more
subcategories. With 1 repeater, this cannot be done in a simple
way. In .NET, you can use nested repeaters for this.
Take the code below in the .aspx file:
… other HTML code … <asp:Repeater Runat=”server”
ID=”Category”> <ItemTemplate>
    <a
href=”category.aspx?category=<%#
DataBinder.Eval(Container.DataItem, “Category”) %>”><%#
DataBinder.Eval(Container.DataItem, [...]