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850天前private void LoadData() |
{ |
// 模拟从数据库返回数据表 |
DataTable table = GetProductTable(); |
DataSet ds = new DataSet(); |
ds.Tables.Add(table.Copy()); |
ds.Relations.Add("TreeRelation", ds.Tables[0].Columns["Id"], ds.Tables[0].Columns["ParentId"]); |
foreach (DataRow row in ds.Tables[0].Rows) |
{ |
if (row.IsNull("ParentId")) |
{ |
FineUI.TreeNode node = new FineUI.TreeNode(); |
node.Text = row["Text"].ToString(); |
node.NodeID = row["ID"].ToString(); |
node.EnablePostBack = true; |
node.Expanded = true; |
ProductTree.Nodes.Add(node); |
ResolveSubTree(row, node); |
} |
} |
} |
public DataTable GetProductTable() |
{ |
DataTable ProductTable = Common.NoPager2("factorManagement", "", "ID,Valided,sort_name AS Text,sort_parentID AS ParentId", "ID", "sortType=1 AND Valided=1").Tables[0]; |
ProductTable.Rows[0]["ParentId"] = DBNull.Value; |
return ProductTable; |
} |
private void ResolveSubTree(DataRow dataRow, FineUI.TreeNode treeNode) |
{ |
DataRow[] rows = dataRow.GetChildRows("TreeRelation"); |
if (rows.Length > 0) |
{ |
foreach (DataRow row in rows) |
{ |
DataRow[] ChlidRows = row.GetChildRows("TreeRelation"); |
if (ChlidRows.Length == 0) |
{ |
FineUI.TreeNode node = new FineUI.TreeNode(); |
node.EnablePostBack = true; |
node.Expanded = false; |
node.IconUrl = "../imgs/folder.gif"; |
node.Text = row["Text"].ToString(); |
node.NodeID = row["ID"].ToString(); |
treeNode.Nodes.Add(node); |
} |
else |
{ |
FineUI.TreeNode node = new FineUI.TreeNode(); |
node.EnablePostBack = true; |
node.Expanded = false; |
node.Text = row["Text"].ToString(); |
node.NodeID = row["ID"].ToString(); |
treeNode.Nodes.Add(node); |
ResolveSubTree(row, node); |
} |
} |
} |
} |
by: 发表于：2018-01-03 10:43:42 顶(0) | 踩(0) 回复
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