[SalesForce] passing values from VF page to component controller..

VF Page component class Not getting value of soID.query works if i pass hard coded ID.Please someone tell me where i am wrong..**The constructor gets called first, before any variables are set. I dont know how to do this…

public with sharing class saleslinecntlr {
public string soID{get;set;}
List<Sales_Order_Line__c> saOrderLin;
public saleslinecntlr ()
{
System.debug('---------'+soID);
    saOrderLin=[Select id,name,Product__r.Name,Serial_Number__c,Quantity__c,Sale_Price__c,Total__c
                                             from Sales_Order_Line__c where salesorderid=:**soID** order by name];


}
    public List<Sales_Order_Line__c> getsaOrderLin() {
    return saOrderLin;
}

}

Best Answer

Component constructors are called before the property setters, this is not only the way things are with VF components but with Apex classes in general. The usual workaround to this is to apply your logic in the getsaOrderLin method instead, try this...

public List<Sales_Order_Line__c> getsaOrderLin() {
    if(saOrderLin==null)
       saOrderLin = [Select id,name,Product__r.Name,Serial_Number__c,Quantity__c,
                        Sale_Price__c,Total__c
                     from Sales_Order_Line__c 
                     where salesorderid=:soID order by name];
    return saOrderLin;
}

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Same way apply for filter method as well.

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Apex handles the type conversion of numeric constants well for Decimals so you can initialize like this if you don't care about the number of decimal places (the scale):

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...
price = 0;

or like this if you want a specific number of decimal places (2 in this case):

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...
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As Rahul suggests, your problem most likely lies in other code.

Best Answer

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