public string InitTree(TreeNodeCollection nds,string parentID)//主要功能建立树的根结点
{
//string strConnect="Server=localhost;Initial Catalog=MaverlDatabase;User ID=sa;Password=sa";
//string strSQL="SELECT F_GNBH,F_SJBH,F_XSMC FROM XTGNZD WHERE (F_GNBH IN (SELECT F_GNBH FROM XTYHZQX WHERE F_ZID = '"+ ReValue + "')) AND F_SJBH='" + parentID + "' ORDER BY F_GNBH;";
string strSQL="SELECT DISTINCT F_GNBH,F_SJBH,F_XSMC,F_MXBZ,F_NAVURL FROM XTGNZD WHERE F_SJBH='" + parentID + "' ORDER BY F_GNBH;";//选出给定的上级编号为parentID的记录
DataView dv =new DataView();
dv=User2.DecreaseRows(mDataView,nID);
dv.Sort=" F_GNBH DESC";
F_GNBH,F_SJBH,F_XSMC,F_MXBZ,F_NAVURL FROM XTLSGNZD WHERE F_SJBH='" + nID + "' ORDER BY F_GNBH;";