title: How to add custom column in DHTMLX grid version 6
body: <pre><code>   function BindDataToGrid() {
              var grid = new dhx.Grid("grid_container", {
                  columns: [
                      { width: 150, id: "ProductCode", header: [{ text: "&lt;span class='title'&gt;Product Code&lt;/span&gt;" }] },
                      { width: 200, id: "ProductName", header: [{ text: "Product Name" }] },
                      { width: 200, id: "ProductManufacturedDate", header: [{ text: "Manufacturing Date" }] },
                      { width: 150, id: "ProductPrice", header: [{ text: "Price" }] },
                      //Add custom column here for edit and delete purpose   
                  ],
                  headerRowHeight: 50,
                  width: 800,
                  height: 400,
                  data: dataset,
                  resizable: true
              });
          }
  </code></pre>
  
  <p>i want custom columns after product price column.
  Please help me .</p>