private void FrmDictionaryManaged_Load(object sender, EventArgs e)
{
// treeList1.DataSource= CreateDataTable();
treeList2.DataSource = CreateTreeList();
// 绑定TreeList控件到数据源
treeList1.DataSource = GetData();
treeList1.KeyFieldName = "ID";
treeList1.ParentFieldName = "ParentID";
this.treeList1.Columns[1].Caption = @"字典测试";//树的名称
// 设置列为只读
treeList1.Columns.Cast<TreeListColumn>().ToList().ForEach(column =>
{
column.OptionsColumn.ReadOnly = true;
column.OptionsColumn.AllowEdit = false;
});
treeList1.Columns["Id"].Visible = false;
}
private BindingList<TreeNode> GetData()
{
// 此属性设为true 每个节点前会自动增加一个check框
// treeList1.OptionsView.ShowCheckBoxes = true;
// 此属性设为true 点击复选框时，可设置为半选状态 ??效果还未呈现出来
// treeList1.OptionsBehavior.AllowIndeterminateCheckState = true;
// 这里返回一个包含节点数据的BindingList
// 你可以根据实际情况替换为你自己的数据源
BindingList<TreeNode> data = new BindingList<TreeNode>
{
new TreeNode { Id = 1, Name = "性别" },
// 其他节点...
};
return data;
}
public class TreeNode
{
public int Id { get; set; }
public string Name { get; set; }
}
public DataTable CreateDataTable()
{
DataTable dt = new DataTable();
//此属性设为true 每个节点前会自动增加一个check框
treeList1.OptionsView.ShowCheckBoxes = true;
//此属性设为true 点击复选框时，可设置为半选状态 ??效果还未呈现出来
treeList1.OptionsBehavior.AllowIndeterminateCheckState = true;
dt.Columns.Add("ID");
dt.Columns.Add("PARENTID");
dt.Columns.Add("NAME");
//为此表增加数据
DataRow dr1 = dt.NewRow();
dr1["ID"] = 1;
dr1["PARENTID"] = 1;
dr1["NAME"] = "类目1";
dt.Rows.Add(dr1);
DataRow dr2 = dt.NewRow();
dr2["ID"] = 2;
dr2["PARENTID"] = 1;
dr2["NAME"] = "商品1";
dt.Rows.Add(dr2);
DataRow dr3 = dt.NewRow();
dr3["ID"] = 3;
dr3["PARENTID"] = 1;
dr3["NAME"] = "商品2";
dt.Rows.Add(dr3);
DataRow dr31 = dt.NewRow();
dr31["ID"] = 7;
dr31["PARENTID"] = 1;
dr31["NAME"] = "类目3";
dt.Rows.Add(dr31);
DataRow dr4 = dt.NewRow();
dr4["ID"] = 4;
dr4["PARENTID"] = 4;
dr4["NAME"] = "类目2";
dt.Rows.Add(dr4);
DataRow dr5 = dt.NewRow();
dr5["ID"] = 5;
dr5["PARENTID"] = 4;
dr5["NAME"] = "商品1";
dt.Rows.Add(dr5);
DataRow dr6 = dt.NewRow();
dr6["ID"] = 6;
dr6["PARENTID"] = 4;
dr6["NAME"] = "商品2";
dt.Rows.Add(dr6);
this.treeList1.DataSource = dt;
this.treeList1.KeyFieldName = "ID";
this.treeList1.ParentFieldName = "PARENTID";
this.treeList1.Columns[0].Caption = "测试";//树的名称
return dt;
}
public DataTable CreateTreeList()
{
DataTable dt = new DataTable();
#region TreeList属性设置
//节点前显示复选框
this.treeList2.OptionsView.ShowCheckBoxes = true;
//此属性设为true 点击复选框时，可设置为半选状态
treeList1.OptionsBehavior.AllowIndeterminateCheckState = true;
#endregion
#region 在TreeList中增加列
//用于标识当前节点和当前节点的父节点
dt.Columns.Add("ID");
dt.Columns.Add("PARENTID");
//第一列数据的名称
dt.Columns.Add("NAME");
//第二列（节点编码的名称）
dt.Columns.Add("CODE");
//第三列（其他）
dt.Columns.Add("OTHERS");
#endregion
#region 添加数据
//第一行数据
DataRow dr1 = dt.NewRow();
dr1["ID"] = 1;
dr1["PARENTID"] = DBNull.Value;
dr1["NAME"] = "根节点1";
dr1["CODE"] = "根节点1编码";
dr1["OTHERS"] = "根节点1的其他信息";
dt.Rows.Add(dr1);
//第二行数据
DataRow dr2 = dt.NewRow();
dr2["ID"] = 2;
dr2["PARENTID"] = 1;
dr2["NAME"] = "当前节点2";
dr2["CODE"] = "当前节点2编码";
dr2["OTHERS"] = "当前节点2的其他信息";
dt.Rows.Add(dr2);
//第三行数据
DataRow dr3 = dt.NewRow();
dr3["ID"] = 3;
dr3["PARENTID"] = 1;
dr3["NAME"] = "当前节点3";
dr3["CODE"] = "当前节点3编码";
dr3["OTHERS"] = "当前节点3的其他信息";
dt.Rows.Add(dr3);
//第四行数据
DataRow dr4 = dt.NewRow();
dr4["ID"] = 4;
dr4["PARENTID"] = DBNull.Value;
dr4["NAME"] = "根节点2";
dr4["CODE"] = "根节点2编码";
dr4["OTHERS"] = "根节点2的其他信息";
dt.Rows.Add(dr4);
//第五行数据
DataRow dr5 = dt.NewRow();
dr5["ID"] = 5;
dr5["PARENTID"] = 4;
dr5["NAME"] = "当前节点5";
dr5["CODE"] = "当前节点5编码";
dr5["OTHERS"] = "当前节点5的其他信息";
dt.Rows.Add(dr5);
//第六行数据
DataRow dr6 = dt.NewRow();
dr6["ID"] = 6;
dr6["PARENTID"] = 4;
dr6["NAME"] = "当前节点6";
dr6["CODE"] = "当前节点6编码";
dr6["OTHERS"] = "当前节点6的其他信息";
dt.Rows.Add(dr6);
#endregion
#region 绑定数据源并设置列名
this.treeList2.DataSource = dt;
this.treeList2.KeyFieldName = "ID";
this.treeList2.ParentFieldName = "PARENTID";
//这句一定要写在上面两句的下面
this.treeList2.Columns[0].Caption = "节点名称";
this.treeList2.Columns[1].Caption = "节点编码";
this.treeList2.Columns[2].Caption = "节点其他信息";
#endregion
return dt;
}
private void 添加ToolStripMenuItem_Click(object sender, EventArgs e)
{
FrmDictionaryTreeEdit frm = new FrmDictionaryTreeEdit();
frm.ShowDialog();
if (frm.DialogResult != DialogResult.OK)
return;
// 创建新节点
var newNode = new TreeNode { Id = GetNewNodeId(), Name = frm.TypeName };
// 获取选中的节点
TreeListNode selectedNode = treeList1.FocusedNode;
//if (selectedNode == null)
//{
// 如果没有选中节点，添加到根节点
treeList1.AppendNode(new object[] { newNode.Id, newNode.Name }, null);
//}
//else
//{
// // 如果有选中节点，添加为选中节点的子节点
// treeList1.AppendNode(new object[] { newNode.Id, newNode.Name }, selectedNode);
// selectedNode.Expanded = true; // 展开选中节点以显示子节点
//}
}
private void 修改ToolStripMenuItem_Click(object sender, EventArgs e)
{
TreeListNode selectedNode = treeList1.FocusedNode;
if (selectedNode != null)
{
FrmDictionaryTreeEdit frm = new FrmDictionaryTreeEdit();
// 获取选中节点的数据
int nodeId = Convert.ToInt32(selectedNode.GetValue("ID"));
frm.TypeName = selectedNode.GetValue("Name").ToString();
frm.ShowDialog();
if (frm.DialogResult != DialogResult.OK)
return;
string editedName = frm.TypeName;
// 更新TreeList中的节点数据
selectedNode.SetValue("Name", editedName);
}
}
private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
{
TreeListNode selectedNode = treeList1.FocusedNode;
if (selectedNode != null)
{
// 删除选中的节点
treeList1.DeleteNode(selectedNode);
}
}
private int GetNewNodeId()
{
// 这里可以根据需要生成新节点的ID，确保其唯一性
// 例如，你可以查询已存在的节点ID的最大值，然后加1
int maxId = (from TreeListNode node in treeList1.Nodes select Convert.ToInt32(node.GetValue("ID"))).Concat(new[] { -1 }).Max();
return maxId + 1;
}控件：TreeList ，GirdControl,ContextMenuStrip
