protected void ASPxTreeList1_SelectionChanged(object sender, EventArgs e)
{
ASPxTreeList treeList = sender as ASPxTreeList;
if (treeList.SelectionCount == 1) // One node is selected within the control
{
LastSelectedNode = treeList.GetSelectedNodes()[0].Key;
}
if (treeList.SelectionCount > 1) // Applies selection to the last selected node, if two nodes are selected
{
TreeListNode prevSelectedNode = treeList.FindNodeByKeyValue(LastSelectedNode);
if (prevSelectedNode != null)
{
prevSelectedNode.Selected = false;
LastSelectedNode = treeList.GetSelectedNodes()[0].Key;
}
}
}
protected void treeList_CustomDataCallback(object sender, DevExpress.Web.ASPxTreeList.TreeListCustomDataCallbackEventArgs e)
{
ASPxTreeList treeList = (ASPxTreeList)sender;
List <TreeListNode> nodelist = treeList.GetSelectedNodes();
//数据压缩
List <ExtendCode> codelist = new List <ExtendCode>();
foreach (TreeListNode node in nodelist)
{
ExtendCode detail = (ExtendCode)node.DataItem;
codelist.Add(detail);
}
e.Result = JsonConvert.SerializeObject(codelist);
}
protected void treeInventory_SelectionChanged(object sender, EventArgs e)
{
ASPxTreeList treeList = sender as ASPxTreeList;
Session["InventorySelected"] = treeList.GetSelectedNodes()[0].Key;
}
private void NavigatorsUpdateRemoveTrees(object fromTreeVal, object toTreeVal)
{
ASPxTreeList fromTree = (ASPxTreeList)fromTreeVal;
ASPxTreeList toTree = (ASPxTreeList)toTreeVal;
DataTable dataFrom = new DataTable();
string[] fieldValues = new string[5];
List <string> fieldValuesID = new List <string>();
List <string> fieldValuesDisplayText = new List <string>();
List <string> fieldValuesOrderNum = new List <string>();
List <string> fieldValuesParentID = new List <string>();
List <string> fieldValuesPageLink = new List <string>();
List <TreeListNode> selectItemsNavID = fromTree.GetSelectedNodes();
foreach (TreeListNode selectItemNavID in selectItemsNavID)
{
//If selected node is not already in the list, add it to the list
if (fieldValuesID != null)
{
if (!fieldValuesID.Contains(selectItemNavID.GetValue("ID").ToString()))
{
fieldValuesID.Add(selectItemNavID.GetValue("ID").ToString());
fieldValuesDisplayText.Add(selectItemNavID.GetValue("DisplayText").ToString());
fieldValuesOrderNum.Add(selectItemNavID.GetValue("OrderNum").ToString());
fieldValuesParentID.Add(selectItemNavID.GetValue("ParentID").ToString());
fieldValuesPageLink.Add(selectItemNavID.GetValue("PageLink").ToString());
}
}
}
//Build data table based on the existing nodes in the tree
dataFrom = NavigatorBuildDataTable(fromTree);
dataFrom.PrimaryKey = new DataColumn[] { dataFrom.Columns["ID"] };
DataRow dr;
//Remove values from the data table, then re-assign the data table to the navigator
for (int i = 0; i < fieldValuesID.Count; i++)
{
fieldValues[0] = fieldValuesID[i];
fieldValues[1] = fieldValuesDisplayText[i];
fieldValues[2] = fieldValuesOrderNum[i];;
fieldValues[3] = fieldValuesParentID[i];
fieldValues[4] = fieldValuesPageLink[i];
if (dataFrom.Rows.Contains(fieldValues[0]))
{
if (fieldValues[3] != "")
{
DataRow[] foundRows = dataFrom.Select("ParentID = '" + fieldValues[3].ToString() + "'", "ParentID ASC", DataViewRowState.Added);
if (foundRows.Length == 1)
{
//DataTable dtmenus = foundRows.CopyToDataTable();
//foreach (DataRow row in dtmenus.Rows)
//{
// dr = dataFrom.Rows.Find(row[0].ToString());
// dataFrom.Rows.Remove(dr);
//}
dr = dataFrom.Rows.Find(fieldValues[3]);
if (dr != null)
{
dataFrom.Rows.Remove(dr);
}
}
}
dr = dataFrom.Rows.Find(fieldValues[0]);
dataFrom.Rows.Remove(dr);
}
}
Session["DataNotVisible"] = dataFrom;
/*
* IEnumerable<TreeListNode> list = fromTree.GetAllNodes();
* foreach (TreeListNode node in list)
* {
* int ind = fieldValuesID.IndexOf(node.GetValue("ID").ToString());
* if (ind == -1)
* {
* fieldValues[0] = node.GetValue("ID").ToString();
* fieldValues[1] = node.GetValue("DisplayText").ToString();
* fieldValues[2] = node.GetValue("OrderNum").ToString();
* fieldValues[3] = node.GetValue("ParentID").ToString();
* fieldValues[4] = node.GetValue("PageLink").ToString();
* dataFrom.Rows.Add(fieldValues);
* }
* }
* fromTree.DataSource = dataFrom;
* fromTree.KeyFieldName = "ID";
* fromTree.ParentFieldName = "ParentID";
* fromTree.DataBind();
*/
fromTree.UnselectAll();
fromTree.DataSource = dataFrom;
fromTree.KeyFieldName = "ID";
fromTree.ParentFieldName = "ParentID";
fromTree.DataBind();
}
private void NavigatorsRebuildTrees(object fromTreeVal, object toTreeVal)
{
ASPxTreeList fromTree = (ASPxTreeList)fromTreeVal;
ASPxTreeList toTree = (ASPxTreeList)toTreeVal;
DataTable dataTo = new DataTable();
string[] fieldValues = new string[5];
List <string> fieldValuesID = new List <string>();
List <string> fieldValuesDisplayText = new List <string>();
List <string> fieldValuesOrderNum = new List <string>();
List <string> fieldValuesParentID = new List <string>();
List <string> fieldValuesPageLink = new List <string>();
List <TreeListNode> selectItemsNavID = fromTree.GetSelectedNodes();
foreach (TreeListNode selectItemNavID in selectItemsNavID)
{
//Check if a selected node has a parent
if (selectItemNavID.ParentNode != null && selectItemNavID.ParentNode.Key != "")
{
//If the parent node is not already in the list, add it to the list
//if (fieldValuesID != null)
//{
// if (!fieldValuesID.Contains(selectItemNavID.ParentNode.GetValue("ID").ToString()))
// {
// fieldValuesID.Add(selectItemNavID.ParentNode.GetValue("ID").ToString());
// fieldValuesDisplayText.Add(selectItemNavID.ParentNode.GetValue("DisplayText").ToString());
// fieldValuesOrderNum.Add(selectItemNavID.ParentNode.GetValue("OrderNum").ToString());
// fieldValuesParentID.Add(selectItemNavID.ParentNode.GetValue("ParentID").ToString());
// fieldValuesPageLink.Add(selectItemNavID.ParentNode.GetValue("PageLink").ToString());
// }
//}
}
//If selected node is not already in the list, add it to the list
if (fieldValuesID != null)
{
if (!fieldValuesID.Contains(selectItemNavID.GetValue("ID").ToString()))
{
fieldValuesID.Add(selectItemNavID.GetValue("ID").ToString());
fieldValuesDisplayText.Add(selectItemNavID.GetValue("DisplayText").ToString());
fieldValuesOrderNum.Add(selectItemNavID.GetValue("OrderNum").ToString());
fieldValuesParentID.Add(selectItemNavID.GetValue("ParentID").ToString());
fieldValuesPageLink.Add(selectItemNavID.GetValue("PageLink").ToString());
}
}
}
//Build data table based on the existing nodes in the tree
dataTo = NavigatorBuildDataTable(toTree);
dataTo.PrimaryKey = new DataColumn[] { dataTo.Columns["ID"] };
//Add new values to the data table, then re-assign the data table to the navigator
for (int i = 0; i < fieldValuesID.Count; i++)
{
fieldValues[0] = fieldValuesID[i];
fieldValues[1] = fieldValuesDisplayText[i];
fieldValues[2] = fieldValuesOrderNum[i];;
fieldValues[3] = fieldValuesParentID[i];
fieldValues[4] = fieldValuesPageLink[i];
if (!dataTo.Rows.Contains(fieldValues[0]))
{
dataTo.Rows.Add(fieldValues);
}
}
Session["DataNotVisible"] = dataTo;
/*
* IEnumerable<TreeListNode> list = fromTree.GetAllNodes();
* foreach (TreeListNode node in list)
* {
* int ind = fieldValuesID.IndexOf(node.GetValue("ID").ToString());
* if (ind == -1)
* {
* fieldValues[0] = node.GetValue("ID").ToString();
* fieldValues[1] = node.GetValue("DisplayText").ToString();
* fieldValues[2] = node.GetValue("OrderNum").ToString();
* fieldValues[3] = node.GetValue("ParentID").ToString();
* fieldValues[4] = node.GetValue("PageLink").ToString();
* dataFrom.Rows.Add(fieldValues);
* }
* }
* fromTree.DataSource = dataFrom;
* fromTree.KeyFieldName = "ID";
* fromTree.ParentFieldName = "ParentID";
* fromTree.DataBind();
*/
//fromTree.UnselectAll();
NavigatorVisibleTreeList.UnselectAll();
toTree.DataSource = dataTo;
toTree.KeyFieldName = "ID";
toTree.ParentFieldName = "ParentID";
toTree.DataBind();
}