/// <summary>
/// method to do the real server side process for info tool.
/// </summary>
public override void Process()
{
//get pixel tolerance from url of client side.
int pixelTolerance = System.Convert.ToInt32(HttpContext.Current.Request[PixelToleranceKey]);
MapControlModel model = MapControlModel.GetModelFromSession();
model.SetMapSize(MapAlias, MapWidth, MapHeight);
//extract points from url of client side.
System.Drawing.Point[] points = ExtractPoints(DataString);
//do searching and get results back
MultiResultSetFeatureCollection mrfc = RetrieveInfo(points, pixelTolerance);
IEnumerator resultEnum = mrfc.GetEnumerator();
//retrieve the selected feature from collection
while (resultEnum.MoveNext())
{
IResultSetFeatureCollection irfc = (IResultSetFeatureCollection)resultEnum.Current;
IFeatureEnumerator ftrEnum = irfc.GetFeatureEnumerator();
while (ftrEnum.MoveNext())
{
Feature ftr = (Feature)ftrEnum.Current;
//create a html table to display feature info and stream back to client side.
CreateInfoTable(ftr);
irfc.Close();
mrfc.Clear();
break;
}
break;
}
}
private void ReNewData()
{
FeatureLayer lyrTemp = (FeatureLayer)mapControl1.Map.Layers["JKINFO"];
if (lyrTemp != null)
{
IFeatureEnumerator fen = (lyrTemp.Table as IFeatureCollection).GetFeatureEnumerator();
while (fen.MoveNext())
{
Feature ftemp = fen.Current;
try
{
Int32 iNDH = -1;
if (ftemp["NDH"] == null)
{
continue;
}
try
{
iNDH = Convert.ToInt32(ftemp["NDH"]);
foreach (DataRow dr in dtAllRow.Rows)
{
try
{
if (iNDH == Convert.ToInt32(dr["NDH"]))
{
ftemp["SJ"] = dr["SJ"];
ftemp["DW"] = dr["DW"];
ftemp.Table.UpdateFeature(ftemp);
break;
}
}
catch
{ }
}
}
catch
{
}
}
catch (Exception ex)
{
MessageBox.Show("更新中发生错误：" + ex.Message);
}
}
}
}