public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/json";
string nodeId = context.Request["node"];
if (!string.IsNullOrEmpty(nodeId))
{
TreeNodeCollection nodes = new TreeNodeCollection(false);
for (int i = 1; i < 6; i++)
{
AsyncTreeNode asyncNode = new AsyncTreeNode();
asyncNode.Text = nodeId + i;
asyncNode.NodeID = nodeId + i;
nodes.Add(asyncNode);
}
for (int i = 6; i < 11; i++)
{
TreeNode node = new TreeNode();
node.Text = nodeId + i;
node.NodeID = nodeId + i;
node.Leaf = true;
nodes.Add(node);
}
context.Response.Write(nodes.ToJson());
context.Response.End();
}
}
protected void NodeLoad(object sender, NodeLoadEventArgs e)
{
if (!string.IsNullOrEmpty(e.NodeID))
{
System.Data.DataTable dtroot = new DataTable();
if (e.NodeID == "0")
dtroot = GetFather(e.NodeID);
else
dtroot = GetTree(e.NodeID);
foreach (System.Data.DataRow dr in dtroot.Rows)
{
//核心
if (dr["isleaf"].ToString().Trim() == "0")
{
AsyncTreeNode asyncNode = new AsyncTreeNode();
asyncNode.Text = dr["name"].ToString().Trim();
asyncNode.NodeID = dr["structid"].ToString().Trim();
asyncNode.SingleClickExpand = true;
asyncNode.Checked = ThreeStateBool.False;
e.Nodes.Add(asyncNode);
}
else
{
Ext.Net.TreeNode treeNode = new Ext.Net.TreeNode();
treeNode.Text = dr["name"].ToString().Trim();
treeNode.NodeID = dr["structid"].ToString().Trim();
treeNode.Leaf = true;
treeNode.Qtip = dr["structid"].ToString().Trim() + "_" + dr["name"].ToString().Trim();
treeNode.Checked = ThreeStateBool.False;
treeNode.Icon = Icon.ControlBlankBlue;
e.Nodes.Add(treeNode);
}
}
}
}
public TreeNodeCollection GetNodes(string node)
{
TreeNodeCollection nodes = new TreeNodeCollection(false);
if (!string.IsNullOrEmpty(node))
{
for (int i = 1; i < 6; i++)
{
AsyncTreeNode asyncNode = new AsyncTreeNode();
asyncNode.Text = node + i;
asyncNode.NodeID = node + i;
nodes.Add(asyncNode);
}
for (int i = 6; i < 11; i++)
{
TreeNode treeNode = new TreeNode();
treeNode.Text = node + i;
treeNode.NodeID = node + i;
treeNode.Leaf = true;
nodes.Add(treeNode);
}
}
return nodes;
}
protected void NodeLoad(object sender, NodeLoadEventArgs e)
{
string prefix = e.ExtraParams["prefix"] ?? "";
if (!string.IsNullOrEmpty(e.NodeID))
{
if (e.NodeID.Equals("0"))
{
DataTable table= gbll.GetAllList().Tables[0];
for (int i = 0; i < table.Rows.Count; i++)
{
DataRow dr = table.Rows[i];
AsyncTreeNode asyncNode = new AsyncTreeNode();
asyncNode.Text = dr["Name"].ToString();
asyncNode.NodeID = dr["ID"].ToString();
e.Nodes.Add(asyncNode);
}
}
else
{
string tmp=" Gallery={0}";
DataTable table = ibll.GetList(string.Format(tmp, e.NodeID));
for (int i = 0; i < table.Rows.Count; i++)
{
DataRow dr = table.Rows[i];
AsyncTreeNode asyncNode = new AsyncTreeNode();
asyncNode.Text = dr["Title"].ToString();
asyncNode.NodeID = dr["ID"].ToString();
asyncNode.Leaf = true;
e.Nodes.Add(asyncNode);
}
}
}
}