Group items tagged

A couple of examples: If you hover over the i in the above example it will tell you i is used before it is set. if you hover over the Foo in the above example it will tell you no such method exists. 

FireBug

FireBugFirefox的页面分析工具，功能很全面。虽说我不是网页开发者，但还是经常会用到。

可以自动在线保存你在Firefox中的所有书签，对在多台电脑上使用Firefox的人很有用。

UrlRewriter.NET is a pure .NET component written in C#, and does not require any ISAPI rewrite dll’s to be installed in IIS. You configure rules in a very readable XML format, either in your web.config file or an external rewriter configuration file.

One of the problems with the calendar extender in the 1.0 toolkit is that if I use a button/image to show the calendar, I am forced to click on it again to hide the calendar.

Now instead of error message add the image tag as shown below. <img src=alert.gif' style='width:15px;height:15px;'> Note : Image tag doesn't have have an end tag. So don't add. Then in test your page that shows images for errors. See the picture below. Know More: You can also embed sound instead of error message or error image. <asp:RequiredFieldValidator ControlToValidate="TextBox1" EnableClientScript="false" ID="RequiredFieldValidator1" runat="server" Text="<bgsound src='C:\Windows\Media\Windows Error.wav'>"></asp:RequiredFieldValidator> Just make sure that the EnableClientScript="false"  when you want a sound instead of a text message.