private void Form1_Load(object sender, EventArgs e){//生成DataTableDataTable table = new DataTable();DataColumn Column;DataRow Row;Column = new DataColumn();Column.ColumnName = "Id";table.Columns.Add(Column);Column = new DataColumn();Column.ColumnName = "Name";table.Columns.Add(Column);for (int i = 0; i <= 2; i++){Row = table.NewRow();Row["Id"] = i;Row["Name"] = "Name " + i;table.Rows.Add(Row);}if (table.Rows.Count > 0){MessageBox.Show("恭喜你，成功后臺創建DataTable！！！");//綁定TreeViewforeach(DataRow row in table.Rows){TreeNode Node = new TreeNode();Node.Text = row["Name"].ToString();this.treeView1.Nodes.Add(Node);// treeView1.Nodes.Add(row["Id"].ToString(),row["Name"].ToString ());foreach (DataRow row1 in table.Rows){TreeNode node1 = new TreeNode();node1.Text = row1["Name"].ToString();Node.Nodes.Add(node1);}}this.treeView1.SelectedNode = treeView1.Nodes[0];//默認選中第一個節點this.textBox1.Text = this.treeView1.SelectedNode.Text.ToString();treeView1.Nodes[0].Expand();}else{return;}}//選中節點事件private void treeView1_AfterSelect(object sender, TreeViewEventArgs e){MessageBox.Show("您選中了'" + treeView1.SelectedNode.Text.ToString() + "'");}

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轉載于:https://www.cnblogs.com/zix1314/p/5566536.html

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