How to insert/create a record in custom object using custom controller

Question

While saving the vf page I am getting this error:Invalid character in identifier: getUsers__c.How to resolve this?

VF page:

<apex:page controller="createUsers">
  <apex:sectionHeader title="Registration Form" />
      <apex:form >
          <apex:pageBlock >
              <apex:pageBlockSection columns="1" showHeader="true" title="Personal Details">
                  <apex:inputField value="{!Users__c.Name}"/>
                  <apex:inputField value="{!Users__c.Contact_No__c}"/>
                  <apex:inputField value="{!Users__c.Email__c}"/>
                  <apex:inputField value="{!Users__c.URL__c}"/>

              </apex:pageBlockSection>
              <apex:pageblockButtons >
                  <apex:commandButton value="Submit" action="{!saveDetails}"/>
              </apex:pageblockButtons>
          </apex:pageBlock>
      </apex:form>
</apex:page>

Controller:

public class createUsers {

    public Users__c user{get;set;}
    //public String userInfo{get;set;}
    public createUsers()
    {
        user = new Users__c();
    }
    public PageReference saveDetails() {
        insert user;
        return null;
    }

}

Keith C · Accepted Answer · 2018-05-12 12:41:50Z

With the controller you have it should be the variable name {!user. not {!Users__c. in the page. When you use a standard controller the variable defaults to the type name but here you have picked the variable name. So:

              <apex:inputField value="{!user.Name}"/>
              <apex:inputField value="{!user.Contact_No__c}"/>
              <apex:inputField value="{!user.Email__c}"/>
              <apex:inputField value="{!user.URL__c}"/>

(I'm somewhat guessing that the page is trying to generate a getter call for the variable name and for your code when the getter name is created from Users__c it is invalid.)

Note that for what you have so far you could just use a standard controller. If you want to add more logic than the standard controller supports, you can also then add in a controller extension.

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