A Range Validator can be applied to ensure the entered value falls within some specified interval. NET validators with Rad Input controls, simply set the ID of the Rad Input control as the value of the Control To Validate property of the validator.
I've read something about Validating Events, but I am not sure how can I use them. Validating Event When you change the focus by using the keyboard (TAB, SHIFT TAB, and so on), by calling the Select or Select Next Control methods, or by setting the Container Control.
Active Control property to the current form, focus events occur in the following order Enter Got Focus Leave Validating Validated Lost Focus When you change the focus by using the mouse or by calling the Focus method, focus events occur in the following order: Enter Got Focus Lost Focus Leave Validating Validated event provides the hook to perform the validation and Error Provider gives a nice consistent approach to providing the user with feedback on any error conditions.
NET control properties available to you as a web developer, which can be used to tailor the look or functionality of the various controls.
Converting an existing HTML page’s controls to HTML server controls is simple: you just add the reference, where "My Control" is your unique naming identifier for this object so that you can reference the object in your server-side code.
though: The Error Provider component does not provide built-in support for accessibility clients.
To make your application accessible when using this component, you must provide an additional, accessible feedback mechanism.
Both of those tools will let you peck through the DOM.
Despite the overlap in functionality, there are some clear distinctions between these controls that you should be aware of when developing your ASP. NET behaviors listed below throughout this chapter): User controls, as you might guess, are controls that you write yourself.
You create these controls with any text editor, or with the assistance of an IDE like Visual Studio. A user control can consist of text, HTML tags, HTML server controls, and ASP.
Net controls values; they are:get Element By Id: this method is used to read the controls values by their Element By Name: this method is used to read the controls values by their Element By Tag Name: this method is used to read the controls values by their Tag Name.
In this article we use the In the code above I have taken the ASP.