using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using HZZYKJ.IDRMIS.CORE;using SuperMap.Mapping;using SuperMap.UI;using SuperMap.Data;using HZZYKJ.IDRMIS.EDIM.Tools;using HZZYKJ.IDRMIS.EDIM.toolClass;namespace HZZYKJ.IDRMIS.EDIM{    public partial class AttributeTreeForm : Form    {        private MapControl mapControl;        private List
     
       layers = new List
      
       ();        public static AttributeTreeForm _AttributeTreeForm = null;        public AttributeTreeForm()        {            InitializeComponent();            mapControl = AppContext.MapControl as MapControl;                 }        private void AttributeTreeForm_Load(object sender, EventArgs e)        {                    Layers layers = mapControl.Map.Layers;            foreach (Layer item in layers)            {                this.layers.Add(item);                            }                   Layer layer = this.layers[LayerForm._layerform.comboBox1.SelectedIndex];            Selection selection = layer.Selection;            Recordset recordset = selection.ToRecordset();            TreeNode TN_Layer_Father = new TreeNode(layer.Name);            treeView1.Nodes.Add(TN_Layer_Father);               for (int i = 0; i < recordset.RecordCount; i++)            {                                string name = recordset.GetFieldValue(0).ToString();                TreeNode TN_Fild_Child = new TreeNode(name);                TN_Layer_Father.Nodes.Add(TN_Fild_Child);                          recordset.MoveNext();                           }           this.treeView1.SelectedNode = this.treeView1.Nodes[0].Nodes[0];            treeView1.ExpandAll();                                     }        private void AttributeTreeForm_FormClosed(object sender, FormClosedEventArgs e)        {            _AttributeTreeForm = null;        }        private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)        {                        }        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)        {            BindingList
       
         GridBindingList = new BindingList
        
         ();          //  List
         
           GridList = new List
          
           (); if (this.treeView1.SelectedNode.Parent != null) { Layers layers = mapControl.Map.Layers; foreach (Layer item in layers) { this.layers.Add(item); } Layer layer = this.layers[LayerForm._layerform.comboBox1.SelectedIndex]; Selection selection = layer.Selection; Recordset recordset = selection.ToRecordset(); FieldInfos fieldinfos = recordset.GetFieldInfos(); for (int i = 0; i < recordset.RecordCount; i++) { if (this.treeView1.SelectedNode.Text == recordset.GetFieldValue(0).ToString()) { for (int j = 0; j < recordset.FieldCount; j++) { if (this.checkBox1.Checked == false) { string x = fieldinfos[j].Name; string y = null; if (recordset.GetFieldValue(j).ToString() == null) { y = null; } else { y = recordset.GetFieldValue(j).ToString();//总是出错 } FieldInfoName FIN = new FieldInfoName(x, y); GridBindingList.Add(FIN); } else { if (fieldinfos[j].IsSystemField == false) { string x = fieldinfos[j].Name; string y = recordset.GetFieldValue(j).ToString(); FieldInfoName FIN = new FieldInfoName(x, y); GridBindingList.Add(FIN); } } } } recordset.MoveNext(); } this.dataGridView1.DataSource = GridBindingList; } else { MessageBox.Show("请选择子节点"); } } private void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e) { } private void btn_Ok_Click(object sender, EventArgs e) { Layers layers = mapControl.Map.Layers; foreach (Layer item in layers) { this.layers.Add(item); } Layer layer = this.layers[LayerForm._layerform.comboBox1.SelectedIndex]; Selection selection = layer.Selection; Recordset recordset = selection.ToRecordset(); FieldInfos fieldinfos = recordset.GetFieldInfos(); for (int i = 0; i < recordset.RecordCount; i++) { if (this.treeView1.SelectedNode.Text == recordset.GetFieldValue(0).ToString()) { for (int j = 0; j < recordset.FieldCount; j++) { if (fieldinfos[j].IsSystemField == false) { recordset.Edit(); string a = this.dataGridView1.Rows[j].Cells[1].Value.ToString(); recordset.SetFieldValue(j, a); recordset.Update(); } } } recordset.MoveNext(); } MessageBox.Show("属性值修改成功"); } private void checkBox1_CheckedChanged(object sender, EventArgs e) { } }}