title: 42703 postgres error while trying to insert from asp.net webforms
body: <p>I had written this code</p>
  
  <pre><code>NpgsqlCommand command = new NpgsqlCommand("INSERT INTO public.\"Customer_Table\"(\"Customer_ID\", \"Location_Name\", \"Item_Name\", \"PhNo\") VALUES(i,'Vijayawada',x, y); ", connection);
  </code></pre>
  
  <p>Here i,x,y are variables.</p>
  
  <p>I am getting an exception: </p>
  
  <blockquote>
    <p>{"42703: column \"i\" does not exist"}</p>
  </blockquote>