设置带checkbox的XtraTreeList:
this.treeList1.OptionsView.ShowCheckBoxes = true; //是否显示CheckBox
绑定数据:
DataTable tblmenu = new DataTable("tblmenu");
tblmenu.Columns.Add("Id", typeof(int));
tblmenu.Columns.Add("MenuName", typeof(string));
tblmenu.Columns.Add("PId", typeof(int));
DataRow newRow1 = tblmenu.NewRow();
newRow1["Id"] = "1";
newRow1["MenuName"] = "系统管理";
newRow1["PId"] = "0";
tblmenu.Rows.Add(newRow1);
//------------------------------
DataRow newRow2 = tblmenu.NewRow();
newRow2["Id"] = "2";
newRow2["MenuName"] = "用户管理";
newRow2["PId"] = "1";
tblmenu.Rows.Add(newRow2);
DataRow newRow3 = tblmenu.NewRow();
newRow3["Id"] = "3";
newRow3["MenuName"] = "权限设置";
newRow3["PId"] = "1";
tblmenu.Rows.Add(newRow3);
DataRow newRow4 = tblmenu.NewRow();
newRow4["Id"] = "4";
newRow4["MenuName"] = "角色管理";
newRow4["PId"] = "1";
tblmenu.Rows.Add(newRow4);
DataRow newRow5 = tblmenu.NewRow();
newRow5["Id"] = "5";
newRow5["MenuName"] = "修改密码";
newRow5["PId"] = "1";
tblmenu.Rows.Add(newRow5);
/*******************************************************************/
DataRow newRow11 = tblmenu.NewRow();
newRow11["Id"] = "11";
newRow11["MenuName"] = "业务管理";
newRow11["PId"] = "0";
tblmenu.Rows.Add(newRow11);
this.treeList1.DataSource = tblmenu;
this.treeList1.PopulateColumns(); //初始化列
this.treeList1.Columns[0].Visible = false; //隐藏某列
this.treeList1.Columns[1].Caption = "菜单名称";
this.treeList1.Columns[1].OptionsColumn.AllowEdit = false; //设置某列可编辑性
this.treeList1.Columns[2].Visible = false;
this.treeList1.ExpandAll(); //展开所有
选中父节点时同时选中全部子节点。 取消某个子节点时,取消父节点的全部选中状态。
/// <summary>
/// 设置子节点的状态
/// </summary>
/// <param name="node"></param>
/// <param name="check"></param>
private void SetCheckedChildNodes(TreeListNode node, CheckState check)
{
for (int i = 0; i < node.Nodes.Count; i++)
{
node.Nodes[i].CheckState = check;
SetCheckedChildNodes(node.Nodes[i], check);
}
}
/// <summary>
/// 设置父节点的状态
/// </summary>
/// <param name="node"></param>
/// <param name="check"></param>
private void SetCheckedParentNodes(TreeListNode node, CheckState check)
{
if (node.ParentNode != null)
{
bool b = false;
CheckState state;
for (int i = 0; i < node.ParentNode.Nodes.Count; i++)
{
state = (CheckState)node.ParentNode.Nodes[i].CheckState;
if (!check.Equals(state))
{
b = !b;
break;
}
}
node.ParentNode.CheckState = b ? CheckState.Indeterminate : check;
SetCheckedParentNodes(node.ParentNode, check);
}
}
//处理选中事件
private void treeList1_AfterCheckNode(object sender, SupSuite.XtraTreeList.NodeEventArgs e)
{
SetCheckedChildNodes(e.Node,e.Node.CheckState);
SetCheckedParentNodes(e.Node, e.Node.CheckState);
}
//获取选中List
private List<int> lstCheckedOfficeID = new List<int>();//选择局ID集合
/// <summary>
/// 获取选择状态的数据主键ID集合
/// </summary>
/// <param name="parentNode">父级节点</param>
private void GetCheckedOfficeID(TreeListNode parentNode)
{
if (parentNode.Nodes.Count == 0)
{
return;//递归终止
}
foreach (TreeListNode node in parentNode.Nodes)
{
if (node.CheckState == CheckState.Checked)
{
DataRowView drv = tlOffice.GetDataRecordByNode(node) as DataRowView;//关键代码,就是不知道是这样获取数据而纠结了很久(鬼知道可以转换为DataRowView啊)
if (drv != null)
{
int OfficeID = (int)drv["OfficeID"];
lstCheckedOfficeID.Add(OfficeID);
}
}
GetCheckedOfficeID(node);
}
}