Many thanks to Mr.Ranjeet Singh for submitting this article. This article is a sample code which lets you upload contacts from a Visualforce Page using a CSV file...
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Step 1:
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Step 1:
1) Create the Apex Class: UploadRecordUsingCSVContact
public with sharing class UploadRecordUsingCSVContact {
public Blob FileRecords{get;set;}
String[] LineNo=new String[]{};
List<Contact> AllContact;
Public Pagereference UploadFile()
{
String FileData=FileRecords.toString();
LineNo=FileData.split('\n');
Allcontact=new List<Contact>();
for(Integer i=1;i<LineNo.size();i++)
{
Contact con=new Contact();
String[] ActualData=new String[]{};
ActualData=LineNo[i].split(',');
con.FirstName=ActualData[0];
con.LastName=ActualData[1];
con.Email=ActualData[2];
con.Phone=ActualData[3];
Allcontact.add(con);
}
try
{
insert Allcontact;
}
catch(Exception e)
{
}
return Null;
} Step 2: Create VF Page: UploadRecordUsingCSVContact
<apex:page controller="UploadRecordUsingCSVContact" >
<apex:form >
<apex:sectionHeader title="Upload Contact Records uing CSV File"/>
<apex:pageblock >
<Center>
<apex:inputfile value="{!FileRecords}"></apex:inputfile><apex:commandButton value="Upload File" action="{!UploadFile}"/><br/><br/>
<font color="Red"><b>Note: <a href="{!$Resource.ContactUploadTemplate}" target="__blank">Click Here </a>To download the Format.</b></font>
</Center>
</apex:pageblock>
</apex:form>
</apex:page>
Step 3: Create a CSV File and the file must be in the following mentioned Format:
| First Name | Last Name | Phone | |
| Ranjeet | Singh | xxxxx@gmail.com | xxxxxxx |