public void Display(AutomaticSourcingColumnItem item)
 {
     trowEvent = false;
     this.Item = item;
     if (item != null)
     {
         if (!string.IsNullOrEmpty(item.value))
         {
             this.textBox.Text = item.value;
         }
         this.Position = item.position;
     }
     else
     {
         this.textBox.Text = "";
     }
     trowEvent = true;
 }
 public ColumItemPanel(AutomaticSourcingColumnItem item) : this()
 {
     Display(item);
 }