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POdeny submitting form if the username exist on the mysql db
 

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  1. POdeny submitting form if the username exist on the mysql db
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    <p>i just pluged a <code>JQuery username check</code> which worked fine , the problem is that my form still submitting even the username exist on my <code>Mysq Database</code>, how can i configure it to deny submitting to my <code>server side .php file</code> if it exists ?</p> <p>here is my Jquery plugin javascript code </p> <pre><code> $(document).ready(function() { //the min chars for checkusername var min_chars = 3; //result texts var characters_error = 'Minimum amount of chars is 3'; var checking_html = '&lt;img src="images/checkusername.gif" /&gt; Checking...'; //when button is clicked $('#check_checkusername_availability').click(function(){ //run the character number check if($('#checkusername').val().length &lt; min_chars){ //if it's bellow the minimum show characters_error text $('#checkusername_availability_result').html(characters_error); }else{ //else show the cheking_text and run the function to check $('#checkusername_availability_result').html(checking_html); check_availability(); } }); }); //function to check checkusername availability function check_availability(){ //get the checkusername var checkusername = $('#checkusername').val(); //use ajax to run the check $.post("frontend/functions/f_checkuser.php", { checkusername: checkusername }, function(result){ //if the result is 1 if(result == 1){ //show that the checkusername is available $('#checkusername_availability_result').html('&lt;span class="is_available"&gt;&lt;b&gt;' +checkusername + '&lt;/b&gt; is Available&lt;/span&gt;'); }else{ //show that the checkusername is NOT available $('#checkusername_availability_result').html('&lt;span class="is_not_available"&gt;&lt;b&gt;' +checkusername + '&lt;/b&gt; is not Available&lt;/span&gt;'); } }); } </code></pre> <p>here is my html field</p> <pre><code> &lt;table border="0" &gt; &lt;tr&gt; &lt;td valign="middle"&gt;&lt;input class="input_field_12em required userUserName" name="userUserName" id="checkusername"&gt;&lt;/td&gt; &lt;td valign="middle"&gt;&lt;input type='button' id='check_checkusername_availability' value='Check Availability'&gt;&lt;/td&gt; &lt;td&gt;&lt;div id='checkusername_availability_result'&gt;&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </code></pre>
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    1. USBader H Al Rayyes
    1. USBader H Al Rayyes
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      1. VTUpMod
    1. COwhat form? i see no form. well you could disable it with the js.
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    2. COsorry , just added the html form to the question
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      1. USBader H Al Rayyes
    3. COWhat does "frontend/functions/f_checkuser.php" return?
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      1. USShankarSangoli
 

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