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用dataset来填充tree
发表于：2007-06-30来源：作者：点击数：
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1,iewc:TreeView id=TreeView1 style=Z-INDEX: 101; LEFT: 152px; POSITION: absolute; TOP: 168px TreeNodeSrc=categories.aspx runat=server 2,categories.aspx.cs private void Page_Load(object sender, System.EventArgs e) { string sql =@select categ
1,<iewc:TreeView id=TreeView1 style="Z-INDEX: 101; LEFT: 152px; POSITION: absolute; TOP: 168px" TreeNodeSrc="categories.aspx" runat="server">
2,categories.aspx.cs
private void Page_Load(object sender, System.EventArgs e)
{
string sql=@"select categoryname as Text,@#products.aspx?catid=@#+ltrim(str(categoryid)) as TreeNodesrc
from categories as TreeNode for xml auto ,xmlData " ;
SqlConnection sqlConn=new SqlConnection("Server=dbm-1;Uid=sa;pwd=;DataBase=Northwind");
SqlCommand com=new SqlCommand (sql,sqlConn);
DataSet ds=new DataSet();
sqlConn .Open();
ds.ReadXml(com.ExecuteXmlReader(),XmlReadMode.Fragment );
sqlConn.Close();
sqlConn=null;
ds.DataSetName ="TREENODES";
ds.WriteXml(Response.OutputStream );
}
