Add "Select" Option To Dropdown list in Asp.net

There are many ways to add select option to dropdown list.. Here in this post i will list some of the ways: 1) Select 2) ddltemp.Items.Add(new ListItem(”Select”, “0")); 3) ddltemp.Items.Insert(0, new ListItem(”Select”, “0")); 4) ddltemp.Items.Insert(0, "--Select--"); ddltemp.Items[0].Value = "0";