How to select multiple values at a time in apex?
A list of options that allows users to select only one value or multiple values at a time, depending on the value of its multiselect attribute. Use this component to get user input for a controller method that does not correspond to a field on an sObject. Only and apex:outfield can be used with sObject fields.
When to use JavaScript in apex selectlist?
The JavaScript invoked if the onselect event occurs–that is, if the user selects an option in the selectList component. A Boolean value that specifies whether this selectList component is rendered as read-only. If set to true, the list option selections cannot be changed.
How to set select list value in Visualforce apex?
Note in the constructor I set the value of selectedValue to the value I want the select list to be set to. Key: That bound value must be set to the VALUE and not the LABEL of the Select Option. if the select option was SelectOption (‘A’,’Sister’) then selectedValue needs to be set to A and not Sister.
What are the pass through attributes for apex?
Only and apex:outfield can be used with sObject fields. This component supports HTML pass-through attributes using the “html-” prefix. Pass-through attributes are attached to the generated tag.
Can you have more than one apex display module?
With the Apex Display Module you are not limited to having just one control panel. With the Apex (as an option) you can add one, two, even three control panels all to the same Apex. And, these are not watered down, smaller versions of the main control panel, all modules will have the same display and functionality.
How to create an apex column in Visualforce?
apex:column A single column in a table. An component must always be a child of an or component. Note that if you specify an sObject field as the value attribute for an , the associated label for that field is used as the column header by default.
How to select all fields with soql in apex?
One of the biggest differences is that SOQL does not support wildcard in SELECT statements to query all fields from an object. For example, “SELECT * FROM object”. However, there is a workaround by using Dynamic SOQL and Apex Describe.
How are classes applied in a column in apex?
If more than one class is specified, the classes are applied in a repeating fashion to all columns. For example, if you specify columnClasses=”classA, classB”, then the first column is styled with classA, the second column is styled with classB, the third column is styled with classA, the fourth column is styled with classB, and so on.