操作Treeview

```javascript

//Conditions

function addCondition1_OnClick( sender, eventArgs )

{

       //????????????

       var rtnValue = form.ShowModalDialog(lims.GetFormSource("InspectionLoginTemplate.addCondition"));

       if(String.IsNullOrEmpty(rtnValue))

              return;

       rtnValue = rtnValue[0];

       var newNode : TreeNode = new TreeNode();

       newNode.Value = rtnValue+"**"+"";

       newNode.Text = "????:"+rtnValue;

       tvConditions.AddChild(newNode);

              var newChildNode : TreeNode = new TreeNode();

              newChildNode.Value = rtnValue+"**"+"null";

              newChildNode.Text = "??????";

              newNode.AddChild(newChildNode);

}

function addCondition2_OnClick( sender, eventArgs )

{

       //????????????

       var parentNode : TreeNode;

       parentNode = TreeNode(tvConditions.SelectedNode);

       var Vulcanize = parentNode.Value.substring(0,parentNode.Value.IndexOf("**"));

       var Aging = parentNode.Value.substring(parentNode.Value.IndexOf("**")+2);

       if(!String.IsNullOrEmpty(Aging))

              return;

       var rtnValue = form.ShowModalDialog(lims.GetFormSource("InspectionLoginTemplate.addCondition"));

       if(String.IsNullOrEmpty(rtnValue))

              return;

       rtnValue = rtnValue[0];

       var newNode : TreeNode = new TreeNode();

       newNode.Value = Vulcanize+"**"+rtnValue;

       newNode.Text = "????:"+rtnValue;

       parentNode.AddChild(newNode);

function delCondition_OnClick( sender, eventArgs )

}

//

function tvConditions_OnAfterSelect( sender, eventArgs )

{

       var Folderno = txtInspectionNo.Text.Trim();

       var sValue = tvConditions.SelectedNode.Value;

       var arrCondition = sValue.split('**');

       var sVulcanize = arrCondition[0];

       var sAging = arrCondition[1];

       dgSelectedSample.Data = lims.GetDataSource("InspectionLoginTemplate.dg_LoginSamples_OnDemand",

                                                                                         [Folderno,sVulcanize,sAging]);

       Application.DoEvents();

}

```