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  • TreeView绑定XML数据源C#代码示例

        private void BindTreeView()
        {
            UnitInfo bUnitInfo = new UnitInfo();
            DataSet ds = bUnitInfo.GetUnitInfo();
            if (ds != null && ds.Tables[0].Rows.Count > 0)
            {
                bool HasAddedLast = true; ;
                string strDs = "<?xml version='1.0' encoding='GB2312'?>";
                for (int i = 1; i < ds.Tables[0].Rows.Count; i++)
                {
                    strDs += "<a Name='" + ds.Tables[0].Rows[i-1][1].ToString() + "' TID='" + ds.Tables[0].Rows[i-1][0].ToString() + "'>";
                    for (int j = i; j < ds.Tables[0].Rows.Count; j++)
                    {
                        i = j;
                        if (ds.Tables[0].Rows[j-1]["Path"].ToString().Length == ds.Tables[0].Rows[j]["Path"].ToString().Length)
                        {
                            strDs += "</a><a Name='" + ds.Tables[0].Rows[j][1].ToString() + "' TID='" + ds.Tables[0].Rows[j][0].ToString() + "'>";
                        }
                        else if (ds.Tables[0].Rows[j -1]["Path"].ToString().Length < ds.Tables[0].Rows[j]["Path"].ToString().Length)
                        {
                            strDs += "<a Name='" + ds.Tables[0].Rows[j][1].ToString() + "' TID='" + ds.Tables[0].Rows[j][0].ToString() + "'>";
                        }
                        else
                        {
                            if (i==ds.Tables[0].Rows.Count-1)
                            {
                                HasAddedLast = false;
                            }
                            break;
                        }
                    }
                    int nCount = 0;
                    nCount = System.Math.Abs(ds.Tables[0].Rows[i - 1]["Path"].ToString().Length - ds.Tables[0].Rows[i]["Path"].ToString().Length) / 5 + 1;
                    for (int j = 0; j < nCount; j++)
                    {
                        strDs += "</a>";
                    }
                    if ((i == ds.Tables[0].Rows.Count - 1) && HasAddedLast==false)
                    {
                        strDs += strDs += "<a Name='" + ds.Tables[0].Rows[i][1].ToString() + "' TID='" + ds.Tables[0].Rows[i][0].ToString() + "'>";
                        for (int k = 0; k < (ds.Tables[0].Rows[i]["Path"].ToString().Length/5-1); k++)
                        {
                            strDs += "</a>";
                        }
                    }
                }
                strDs += "</a>";
                XmlDataSource xds = new XmlDataSource();
                xds.ID = "XDS";
                xds.Data = strDs;
                TreeView1.DataSource = xds;
                TreeView1.DataBind();
            }
        }

    这个算法没有经过大量数据的检验,有待考证!

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  • 原文地址:https://www.cnblogs.com/guoxiaowen/p/1454351.html
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