Asynchronous Javascript Using Visualforce
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Using Javascript we can perform DML Operation on Salesforce Asynchronously with the help of Visualforce pages, let's work on Read operation listed below.
Before getting started please follow listed steps,
- Create a Visualforce Page
- Add
connection.js
library, dont forget to pass SessionId, how to do that explained below
<apex:page>
<!--you can add your own Controllers, for demoing purpose making it as easy as possible-->
<script src="/soap/ajax/28.0/connection.js" type="text/javascript"></script>
</apex:page>
Example Explained
Include following line of statements under <script>
tags
sforce.connection.sessionId = "{!$Api.Session_ID}";
var result = sforce.connection.query("Select Name,Id from User", {
onSuccess: function(result) {
var records = result.getArray("records");
// Iterate over records to view them
for (var i = 0; i < records.length; i++) {
var record = records[i];
log(record.Name + " -- " + record.Id);
}
},
onFailure: function(error) {
log("An error has occurred " + error);
}
});
Happy coding comment below if you need any help
Looking for more clik here