Populating dropdown - PHP Ajax MySQL

Question

I have 2 dropdowns on my HTML page : The first drop down contains the database column names based on which the the second dropdown would be populated i.e.

Answer 1

Divyesh here, your answer is
==============================
edit.php
==============================




    


    
        

            

            
Edit user data
            

                
First name
                

            
            

                
Address
                

            
            

                
Gender
                
 size="17">Male
                 size="17">Female
                
            
            

                
Hobby
                
 >reading
                 >traveling
                 >cricket
                 >drawing
            
            
            
Country
            

                
                 0)
                {
                    while($row = mysqli_fetch_array($query))
                    { 
                        echo ''.$row['country'].'';
                    }
                }
                else
                {
                    echo 'Country not available';
                }
                ?>
            
            
            

            
State
            

            
                

            
            
            

            
City
            

            
                

            
            
            
            

                
Education
                

            
                
Email
                

            
            

                
Password
                

            
            

                
Confirm password
                

            
            

                
Phone no
                

            
            

                

                
            
            
        
    


================
ajaxData.php
================

 0)
    {
        echo 'Select state';
        while($row =  mysqli_fetch_array($query))
        { 
            echo ''.$row['state'].'';
        }
    }
    else
    {
        echo 'State not available';
    }
}

if(isset($_POST["sid"]) && !empty($_POST["sid"]))
{
    //Get all city data
    $query = mysqli_query($con,"SELECT * FROM city WHERE sid =".$_POST['sid']."");

    //Count total number of rows
    $rowCount = mysqli_num_rows($query);

    //Display cities list
    if($rowCount > 0)
    {
        echo 'Select city';
        while($row = mysqli_fetch_array($query))
        { 
            echo ''.$row['city'].'';
        }
    }
    else
    {
        echo 'City not available';
    }
}
?>