[SalesForce] how to pass value from visual force page (InputField) to controller

I have created a Vf page from which i need to fetch the value of new owner and need to save the value in property defined in controller:

Following is my vf page code:

<apex:pageBlockSection>
    <apex:InputField label="user" value="{!a.ownerid}"/>
</apex:pageBlockSection>

here a is object of opportunity

Controller code:

used one property to store the value:

public string ownername {get;set;}

Note: user will input the value through lookup field.

Any suggestions on this?

Best Answer

When you submit the page, Visualforce will update the OwnerId field of your opportunity object a automatically for you. If you want to use that value elsewhere (e.g. in a save method), you can just reference the value directly:

Id newApproverId = a.OwnerId;
...

and you can query for the corresponding name (if you need that):

String newApproverName = [select Name from User where Id = :a.OwnerId].Name;
...

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Visualforce creates a special hierarchy of Ids to ensure a unique Id for every element (take a look via the Chrom Dev Console to see what I mean - so getElementbyId doesn't usually work.

If you are already using jQuery, I would use that to do what you need e.g.

function setHidden() {
       j$("[id*='theHiddenInput']").val(j$("[id*='apiName']").val());
      }

[SalesForce] Passing inputField value from apex:pageBlockTable

I would start by modifying your code as follows:

Minimal Reproducible Example

Class

    public class myExample {

public List<wrapperClass> products{
    get {
        if(products == null){
            products = new List< wrapperClass >();

            for(product2 p : [select id,name from product2 limit 4]) {
                products.add(New wrapperClass(p));
            }
        }
        return products;
    }
    set;
}


    public PageReference save() {
        try {
            for (wrapperClass w : products) {
                system.debug('The Quantity is: ' + w.ali.Quantity);

            }
        } catch (Exception e) {
            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.Error, e.getMessage()));
            return null;
        }
        return null;
    }

    public class wrapperClass {
        public Product2 product { get; set; }
        public opportunitylineitem ali { get; set; }

        public wrapperClass(Product2 p) {
            product = p;
            ali = New opportunitylineitem();
        }
    }



    }

VFP

<apex:form id="editForm">

    <apex:pageBlock>
        <apex:pageBlockTable value="{!products}" var="a">
            <apex:column headerValue="quantity">
                <apex:inputField value="{!a.ali.Quantity}" required="true"/>
            </apex:column>
        </apex:pageBlockTable>
    </apex:pageBlock>

    <apex:commandbutton value="save me" action="{!save}" rerender=""/>

</apex:form>

Best Answer

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[SalesForce] Passing inputField value from apex:pageBlockTable

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