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20662563
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2013-12-18T15:50:27.713
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2013-12-18T15:56:07.407
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2013-12-18T15:56:07.407
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2
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6
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text
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I am adding the answer. Sorry for the delay guys. First credit to the plugin:<a href="https://github.com/posabsolute/jQuery-Validation-Engine">https://github.com/posabsolute/jQuery-Validation-Engine</a> . Used the plugin for validations in the application. In the view, i had <pre><code><%= f.username_field :username, :id => 'free-user', :placeholder=>'User Name', :class => "validate[required, ajax[ajaxUserCall]]", "data-prompt-position" => "topLeft:0,9"%> </code></pre> In the same view, in java script: <pre><code><script type="text/javascript"> $(document).ready(function(){ $("#free-user").bind("jqv.field.result", function(event, field, errorFound, prompText){ if(errorFound){ $(".continue").attr("disabled", false); // .continue is a button } else{ $(".continue").attr("disabled", true); } }) }); </script> </code></pre> In routes.rb i have the following route. <pre><code>match '/check-user' =>"users#check_user" // creating route for ajax call </code></pre> In jquery.validationEngine-en.js file i have following: <pre><code>"ajaxUserCall": { "url": "/check-user", // you may want to pass extra data on the ajax call "alertText": "* This user is already taken", "alertTextLoad": "* Validating, please wait" }, </code></pre> In users controller, i have the following method <pre><code>def check_user user = params[:fieldValue] user = User.where("username = ?", username).first if user.present? render :json => ["free-user", false , "This User is already taken"] else render :json => ["free-user", true , ""] end end </code></pre>
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1. POCheck username availability using jquery and Ajax in rails
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