public void TextAuto()
 {
     objHrInfo = new HRInfo();
     DataTable dt = objHrInfo.GetNameandEcode().Tables[0];
     objHrInfo = null;
     AutoCompleteStringCollection local = new AutoCompleteStringCollection();
     for (int i = 0; i < dt.Rows.Count; i++)
     {
         local.Add(dt.Rows[i]["Data"].ToString());
     }
     txtReportto.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
     txtReportto.AutoCompleteSource = AutoCompleteSource.CustomSource;
     txtReportto.AutoCompleteCustomSource = local;
 }