Using the Modal Dialog Option

In this section you will learn how to set the C1DialogExtender control as a Modal Dialog Window.

Create an ASP.NET Web application.
Add a standard Panel control to the main content of your page.
Insert the following markup within the Panel markup to create the dialog window:

<div>

        <div>

            <p>

                Modal Dialog Windows make the rest of the screen dim until you close the Modal window.</p>

        </div>

</div>

Click the Panel smart tag and select Add Extender from the Tasks menu.
In the Extender Wizard, select C1DialogExtender and click OK. A C1DialogExtender control is added to the page and the TargetControlID is set to Panel1.
Select View | Properties Window in the Visual Studio menu.
Click the drop-down list at the top of the Properties window and select Panel1_C1DialogExtender.
Set the C1DialogExtender.Modal property to True.
Press F5 to run the application to view the Modal Dialog Window. It should look like the following image: