private City city = null; // 用于分块的城市
// 构造函数
public FormMain()
{
InitializeComponent();
// 获取省份列表
List <Region> regionList = RegionDao.SelectByParentId(0);
foreach (Region region in regionList)
{
comboBoxProvince.Items.Add(region);
}
comboBoxProvince.SelectedIndex = 0;
// 获取一级行业分类
List <KeyWord> keyWordList = KeyWordDao.SelectByParentId(0);
foreach (KeyWord keyWord in keyWordList)
{
comboBoxKey1.Items.Add(keyWord);
}
comboBoxKey1.SelectedIndex = 0;
// 初始化分块
initComboBoxBlock();
// 初始化GDAL
Ogr.RegisterAll();
}
// 改变一级分类
private void comboBoxKey1_SelectedIndexChanged(object sender, EventArgs e)
{
comboBoxKey2.Items.Clear();
KeyWord keyWord1 = comboBoxKey1.SelectedItem as KeyWord;
int parentId = Convert.ToInt32(keyWord1.Id);
List <KeyWord> keyWordList = KeyWordDao.SelectByParentId(parentId);
if (keyWordList.Count == 0)
{
comboBoxKey2.Items.Add(keyWord1);
}
else
{
foreach (KeyWord keyWord2 in keyWordList)
{
comboBoxKey2.Items.Add(keyWord2);
}
}
comboBoxKey2.SelectedIndex = 0;
}
public KeyWordService()
{
dao = new KeyWordDao();
}