DropDownList: Dynamically add Item from Database ASP.NET C#

1. Execute Select command and return the data into DataTable
2. DataTable
1. Declare a DataTable variable DataTable dt
2. Loop for Number of Rows: dt.Rows.Count
3. Read value from DataTable: string str= dt.Rows["Column_Name"]
3. Add item into DropDownList: ddl.Items.Add(str);

DataTable dt = Utilities.GetCurrency(); //it returns DataTable

for (int i = 0; i < dt.Rows.Count; i++)

{

       string str=Convert.ToString(dt.Rows[i]["CURR_Currency_Name"]);

       currencyDropDownList.Items.Add(str);

}