急贴，大侠们帮忙！DropDownList在火狐可以获取选定值，在IE8不可以，为什么！！！！

Question

 string[] Sizes = pro.Sizes.Split(',');
                    string[] Colors = pro.Colors.Split(',');
                    this.DropDownList1.Items.Insert(0, "Please Select Size");
                    this.DropDownList2.Items.Insert(0, "Please Select Color");
                  
                    if (Sizes.Length < 0)
                    {
                        this.DropDownList1.Items.Add(pro.Sizes);
                    }
                    else
                    {
                        foreach (var item in Sizes)
                        {
                            this.DropDownList1.Items.Add(item.Trim());                        }
                    }                    if (Colors.Length < 0)
                    {
                        this.DropDownList2.Items.Add(pro.Colors);                    }
                    else
                    {
                        foreach (var item in Colors)
                        {
                            this.DropDownList2.Items.Add(item.Trim());
                        }
                    }
这是绑定源码，在火狐可以获取选定值，在IE不能，请问为什么，谁有好的解决方法！！！急用！！.NET 火狐  IE8 DropDownList

Answer 1

this.DropDownList1.DataBind(BaseInfoSRV.GetColorsList(), t => t.Name, t => t.ID.ToString());一般要有DataBind()这个方法,你没有这个方法不一定可以绑定