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How many components are there in Visualforce website?
Visualforce includes nearly 150 built-in components that you can use on your pages. Components are rendered into HTML, CSS, and JavaScript when a page is requested. Coarse-grained components provide a significant amount of functionality in a single component, and might add a lot of information and user interface to the page it’s used on.
Add a list of opportunity related records to the page using . Choose the fields you want displayed in the table. Look up the different attributes for and , and experiment until you feel comfortable.
How to use if condition in Visualforce page?
While displaying, I want to display: 1. By using If clause in apex page 2. By passing ‘Age’ as a parameter to my extended controller 3. And using case (or similar) in SOQL The error I get is: Error: Syntax error. Missing ‘)’
How are records displayed in a column in Salesforce?
The components, in turn, use the contact variable that represents the current record to pull out the field values for that record. Outside of the loop, uses the fields in the components to create column headers, by looking up the label for each field.
How to create a drop down list in Visualforce?
The tag automatically generates the correct display for the field. In this case, as a drop-down list. The page must be enclosed in an tag in order to use the tag. A form specifies a portion of a Visualforce page that users can interact with.
How does an iteration component work in Visualforce?
For each item in the list—for each related contact—it adds a row to the table, and fills in each column with the appropriate field from that record. You can do the same thing in your own Visualforce markup using iteration components. An iteration component works with a collection of similar items, instead of on a single value.