point identity

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using ESRI.ArcGIS.ADF.Web;
using ESRI.ArcGIS.ADF.Web.Geometry;
using ESRI.ArcGIS.ADF.Web.DataSources;
using ESRI.ArcGIS.ADF.Web.UI.WebControls;
using ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools;

/// <summary>
///IdentifyHelper 的摘要说明
/// </summary>
public class IdentifyHelper
{
 public IdentifyHelper()
 {
  //
  //TODO: 在此处添加构造函数逻辑
  //
 }
    public static void ShowIdentifyResult(Map map, DataTableCollection dtc)
    {
        string returnstring = string.Empty;
        foreach (DataTable dt in dtc)
        {
            if (dt.Rows.Count == 0)
                continue;
            returnstring += GetHtmlFromDataTable(dt);
        }
        returnstring = returnstring.Replace("\r\n","");
        returnstring = returnstring.Replace("\n","");
        string functionValue="var theForm=doucumnet.forms[0];";
        functionValue += "theForm.FunctionValue.Value='"+returnstring+"';";
        functionValue += "open('IdentifyResult.htm','IdentifyResult');";
        AddJavaScriptCallback(map, functionValue);

 
    }
    public static string GetHtmlFromDataTable(DataTable dt)
    {
        GridView gd = new GridView();
        gd.ToolTip = dt.TableName;
        gd.Caption = dt.TableName;
        gd.DataSource = dt;
        gd.DataBind();
        gd.Visible = true;
        gd.BorderWidth = 0;
        gd.CssClass = "list-line";
        gd.CellPadding = 3;
        gd.CellSpacing = 1;
        gd.HeaderStyle.CssClass = "barbg";
        gd.HeaderStyle.HorizontalAlign = HorizontalAlign.Center;
        gd.RowStyle.CssClass = "listbg";

        string returnString = string.Empty;
        using (System.IO.StringWriter sw = new System.IO.StringWriter())
        {
            HtmlTextWriter htw = new HtmlTextWriter(sw);
            gd.RenderControl(htw);
            htw.Flush();

            string tempStr=sw.ToString();
            returnString+=tempStr;
        }
        return returnString;

 
    }
    public static void AddJavaScriptCallback(Map map,string executeString)
    {
        object[] oa = new object[1];
        oa[0] = executeString;
        CallbackResult cr = new CallbackResult(null, null, "javascript", oa);
        map.CallbackResults.Add(cr);
 
    }
}

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using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using ESRI.ArcGIS.ADF.Web;
using ESRI.ArcGIS.ADF.Web.Geometry;
using ESRI.ArcGIS.ADF.Web.DataSources;
using ESRI.ArcGIS.ADF.Web.UI.WebControls;
using ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools;

/// <summary>
///IdentityPoint 的摘要说明
/// </summary>
public class IdentityPoint:IMapServerToolAction
{
 public IdentityPoint()
 {
  //
  //TODO: 在此处添加构造函数逻辑
  //
 }

    #region IMapServerToolAction 成员

    void IMapServerToolAction.ServerAction(ToolEventArgs args)
    {
        Map map = args.Control as Map;

        PointEventArgs point = args as PointEventArgs;
        System.Drawing.Point screen_point = point.ScreenPoint;

        Point pt = Point.ToMapPoint(screen_point.X, screen_point.Y, map.Extent, (int)map.Width.Value, (int)map.Height.Value);

        IGISFunctionality gisfunc = map.GetFunctionality("province");
        if (gisfunc == null)
            return;
        IGISResource gisresource = gisfunc.Resource;
        bool supportquery = gisresource.SupportsFunctionality(typeof(IQueryFunctionality));

        if (!supportquery)
            return;

        IQueryFunctionality qfunc;
        qfunc = gisresource.CreateFunctionality(typeof(IQueryFunctionality), null) as IQueryFunctionality;

        System.Data.DataTable[] qdatatable = qfunc.Identify(null, pt, 1, IdentifyOption.AllLayers, null);
        if (qdatatable != null)
            return;
        System.Data.DataSet dataset= new System.Data.DataSet();
        for (int i = 0; i < qdatatable.Length; i++)
            dataset.Tables.Add(qdatatable[i]);
        DataTableCollection dtc = dataset.Tables;

        IdentifyHelper.ShowIdentifyResult(map,dtc);
       

    }

    #endregion

}