Binding xml and string to dropdownlist

XmlDocument objXmlDoc = new XmlDocument();
objXmlDoc.Load(AppDomain.CurrentDomain.BaseDirectory + @”\App_Data\XML\” + “List.xml”);
StringReader objStrRdr = new StringReader(Convert.ToString(objXmlDoc.OuterXml));
DataSet ds = new DataSet();
ds.ReadXml(objStrRdr);

if (ds.Tables[1].TableName != “Errors”)
{
if (ds.Tables.Count > 0)
{

cboBranch.DataSource = ds.Tables[1];
cboBranch.DataTextField = “Name”;
cboBranch.DataValueField = “ID”;
cboBranch.DataBind();

}
}

string strDetail = Cm.Call(st.ToString());

StringReader objStrRdr = new StringReader(strDetail);
DataSet ds = new DataSet();
ds.ReadXml(objStrRdr);

if (ds.Tables[0].TableName != “Errors”)
{

cboh.DataSource = ds.Tables[0];
cboh.DataTextField = “Name”;
cboh.DataValueField = “Id”;
cboh.DataBind();

}