Every standard controller includes a getter method that returns the record specified by the id query string parameter in the page URL. This method allows the associated page markup to reference fields on the context record by using {! object } syntax, where object is the lowercase name of the object associated with the controller.
Full Answer
What are getter methods in Salesforce controller?
Getter Methods. Getter methods return values from a controller. Every value that is calculated by a controller and displayed in a page must have a corresponding getter method, including any Boolean variables. For example, in the sample page in Building a Custom Controller, the controller includes a getAccount method.
What is relationshipname in Salesforce?
The form of relationshipName property that holds the reference to the parent object. For example, the Contact child object has a child-to-parent relationship to the Account object, so the value of relationshipName in Contact is Account. These
How to show details on Visualforce page in form of table?
Hi Smitra, If you have the query, put that in an list & then you can use the pageblocktable attribute to show the details on Visualforce Page in the form of a Table. public List getMyLeadList () { myLeadList = ; return myLeadList; } List myLeadList = ;
How to retrieve related objects data using soql query?
Using relationship queries, we can retrieve the related objects data using the SOQL query. Contact. Below diagram display relationship between Account and Contact. To be able to traverse these relationships for standard objects, a relationship name is given to each relationship.
How do I view a query in Salesforce?
Execute a SOQL Query or SOSL SearchEnter a SOQL query or SOSL search in the Query Editor panel.If you want to query tooling entities instead of data entities, select Use Tooling API.Click Execute. ... Warning If you rerun a query, unsaved changes in the Query Results grid are lost.
How do I run a query in Salesforce?
Salesforce – Viewing Data in the Developer ConsoleAll of the object's fields display. Select the fields you would like displayed in the result list. ... Click the Query button to create and add the SOQL query to the editor.Click the Execute button to run the query and see the results.
How do I display query results in Visualforce page?
Display result of a SOQL query on a Visualforce page and Lightning componentCreate an apex class which retrieves records from a SOQL query.Create a Visualforce page to display the results returned from this SOQL query.
Can you run SQL queries in Salesforce?
Salesforce allows you to execute your Salesforce SQL (SOQL) queries either by using the Query Editor or as part of the Apex Code.
How do I query an object in Salesforce?
Use SOQL when you know which objects the data resides in, and you want to:Retrieve data from a single object or from multiple objects that are related to one another.Count the number of records that meet specified criteria.Sort results as part of the query.Retrieve data from number, date, or checkbox fields.
How do I run a query in Apex?
A SOQL query that you execute using Apex code is called an inline SOQL query....Execute a SOQL QuerySelect Debug | Open Execute Anonymous Window.Copy the following code, paste it, and execute it. ... Enter the following query in the Query Editor tab.More items...
What is lazy loading in VF page?
Lazy Loading is a technique in which a Visualforce page will load the required features first and delay the rest. So, this way the user will have faster access to required features, and improved responsiveness of a large page.
How many records can we display in Visualforce page?
You can display up to 2000 records on a VF page.
How can I improve my VF page performance?
To improve Visualforce page load times:Cache any data that is frequently accessed, such as icon graphics.Avoid SOQL queries in your Apex controller getter methods.Reduce the number of records displayed on a page by: ... “Lazy load” Apex objects to reduce request times.More items...
Where do I put SOQL queries in Salesforce?
To include SOQL queries within your Apex code, wrap the SOQL statement within square brackets and assign the return value to an array of sObjects. For example, the following retrieves all account records with two fields, Name and Phone, and returns an array of Account sObjects.
How do I write a query in Salesforce query editor?
2:073:47How to Use the Salesforce Developer Console to Run Queries ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo we need to write a query need to go to the query editor. Write a query here like select countMoreSo we need to write a query need to go to the query editor. Write a query here like select count from BMC service incident. Option or you can write your object. Name here click on execute.
Where is SOQL in Salesforce?
WHERE clause is also called as Conditional Expression. WHERE clause is used to filter the retrieved data. When ever if we want to filter data from a set of object records we use WHERE clause in SOQL. This WHERE clause filters the data based on the given Condition or Criteria.
Action Methods
Action methods perform logic or navigation when a page event occurs, such as when a user clicks a button, or hovers over an area of the page. Action methods can be called from page markup by using {! } notation in the action parameter of one of the following tags:
Getter Methods
Getter methods return values from a controller. Every value that is calculated by a controller and displayed in a page must have a corresponding getter method, including any Boolean variables. For example, in the sample page in Build a Custom Controller, the controller includes a getAccount method.
Setter Methods
Setter methods pass user-specified values from page markup to a controller. Any setter methods in a controller are automatically executed before any action methods.
Getting and Setting Data with a Custom Extension or Controller
There is no guaranteed order in which Apex methods and variables are processed by a controller extension or custom controller. Therefore, do not allow controller and extension classes to rely on another method being run, call that method directly. This applies specifically to setting variables and accessing data from the database.