private void Form1_Load(object sender, EventArgs e)
{
List <CDepartment> Departments = CSQL.GetDepartments();
SetNodes(treeView1, Departments,
CBranch.GetDepartmentsByParentDepartmentID(Departments, "").ToList()[0] as CDepartment);
treeView1.SelectedNode = treeView1.Nodes[0];
UpdListEmployee(CSQL.GetEmployeesByDepartmentID(treeView1.SelectedNode.Tag.ToString()), 0);
}
private void SetNodes(TreeView treeView, List <CDepartment> Departments, CDepartment DepartmentRoot)
{
List <CDepartment> SubDepartments = CBranch.GetDepartmentsByParentDepartmentID(Departments, DepartmentRoot.ID).ToList();
TreeNode node = new TreeNode(DepartmentRoot.Name);
node.Tag = DepartmentRoot.ID;
treeView.BeginUpdate();
treeView.Nodes.Add(node);
FillNode(node, Departments, DepartmentRoot);
treeView.EndUpdate();
}
private void FillNode(TreeNode parentNode, List <CDepartment> Departments, CDepartment DepartmentRoot)
{
List <CDepartment> SubDepartments = CBranch.GetDepartmentsByParentDepartmentID(Departments, DepartmentRoot.ID).ToList();
foreach (CDepartment D in SubDepartments)
{
TreeNode treeNodeSub = new TreeNode(D.Name);
treeNodeSub.Tag = D.ID;
parentNode.Nodes.Add(treeNodeSub);
FillNode(treeNodeSub, Departments, D);
}
}