I am using lightning design classes for visualforce pages. Each and everything is working perfectly only the issue is that i can't see the search icon for lookup field.
Code:
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[SalesForce] Not able to view lookup icon on visualforce page using Lightning Design
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In this line of code, this path should refer to your SLDS library which you uploaded in Static resources.
<use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="/assets/icons/utility-sprite/svg/symbols.svg#search"></use>
For example:
<use xlink:href="{!URLFOR($Resource.SLDS100, '/assets/icons/custom-sprite/svg/symbols.svg#custom3')}" />
i used force:inputField for look up inside lightning:recordEditForm but i just tested in standaloneapp only, please try below code and let me know
cmp
<aura:component implements="flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes">
<aura:attribute name="newContact" type="Contact" default="{ 'sobjectType': 'Contact'}"/>
<!-- Display the new contact form -->
<div class="Create Contact">
<lightning:card iconName="action:new_contact" title="Create Contact">
<lightning:recordEditForm
onsubmit="{!c.handleSubmit}"
onerror ="{!c.handlerror}"
objectApiName="Contact">
<lightning:messages />
<lightning:inputField class="slds-col slds-size_1-of-3 slds-p-horizontal_x-small" fieldName="AssistantName" value="{!v.newContact.AssistantName}"></lightning:inputField>
<lightning:inputField class="slds-col slds-size_1-of-3 slds-p-horizontal_x-small" fieldName="Age__c" value="{!v.newContact.Age__c}"></lightning:inputField>
<div class="slds-col slds-size_1-of-3 slds-p-horizontal_x-small">
<force:inputField aura:id="lookup" value="{!v.newContact.AccountId}"/>
</div>
<lightning:button class="slds-m-top_small" variant="brand" name="update" type="submit" label="Save" />
</lightning:recordEditForm>
</lightning:card>
</div>
</aura:component>
Best Answer
Lookup filters in lightning are not same as the lookup filters in clasic. In lightnign It is like a search box.
http://help.salesforce.com/HTViewHelpDoc?id=lex_gaps_limitations_search.htm
To create search box you can follow the following link-
https://www.forcetalks.com/blog/how-to-create-custom-lookup-in-lightning-component/