superMap Object 属性查看的一点代码
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<Layer> layers = new List<Layer>(); 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<FieldInfoName> GridBindingList = new BindingList<FieldInfoName>(); // List<FieldInfoName> GridList = new List<FieldInfoName>(); 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) { } } }