/* Textbox to dorpdownlist*/

//string[] arr;
////arr = Convert.ToString(TextBox1.Text);
//arr = TextBox1.Text.Split(',');
string abc = TextBox1.Text;
foreach (char a in abc)
{
DropDownList1.Items.Add(a.ToString());
}
//for (int i = 0; i < arr.Length; i++)
//{
// DropDownList1.Items.Add(arr[i]);
//}