private void DisplayColumnNameLists()
{
cboLevel1Codes.DataSource = geoCoder.GazetteerColumnHeaders();
cboLevel2Codes.DataSource = geoCoder.GazetteerColumnHeaders();
cboLevel3Codes.DataSource = geoCoder.GazetteerColumnHeaders();
cboLevel1Names.DataSource = geoCoder.GazetteerColumnHeaders();
cboLevel2Names.DataSource = geoCoder.GazetteerColumnHeaders();
cboLevel3Names.DataSource = geoCoder.GazetteerColumnHeaders();
//optional columns so display a blank row at the top
IList <string> columnNames1 = geoCoder.GazetteerColumnHeaders();
columnNames1.Insert(0, string.Empty);
cboLevel1AltNames.DataSource = columnNames1;
IList <string> columnNames2 = geoCoder.GazetteerColumnHeaders();
columnNames2.Insert(0, string.Empty);
cboLevel2AltNames.DataSource = columnNames2;
IList <string> columnNames3 = geoCoder.GazetteerColumnHeaders();
columnNames3.Insert(0, string.Empty);
cboLevel3AltNames.DataSource = columnNames3;
SetDefaultNames();
}
