I would to like to know about how can i bind the TreeView with multiple tables
E.g.
i have a table
Class -- fields are [id,class]
Term -- fields are [id,classid,terms]
subject -- fields are [id,classid,subject,terms]
topic -- fields are [id,classid,subjectid,termsid,topic]
[all joined with Foreign keys]
my need the following output requirement.
[Code]...
MCA is a parent class and under MCA there are Terms and under Terms there are Subjects and under Subjects there are Topics according to Topics wise. My requirement is when i Clicked on the MCA it will show Terms and after clicked on any Terms it display Subjects and after clicked on the Subject it display Topics and after clicked on topic it must display contents according to topic-wise.
I have a Table in SQL Database, it only has one sell and its xml type.
I need to bind that xml to TreeView Control, and since I can't bind use sqldatasource as a datasource for the treeview and i cant use the XmlDataSource to read from the database...
I want to bind TreeView control with List object. This List object will be creatd by data that got from database.But, the problem is I can't bind this TreeView with List. It shows the exception "HierarchicalDataBoundControl only accepts data sources that implement IHierarchicalDataSource or IHierarchicalEnumerable."
I want to bind a treeview control so that it display exactly like outlook inbox. How can I do that? Note: All data are coming from a single sql table even though you can create to statement to get the child and parent.
I have a Sitemap and I am planning to query it programmatically and filter it, something likefrom SiteMapNode smnode in SiteMap.RootNode.GetAllNodes() ..do somethingMy question is how do I approach the above. I mean on what event can I query it and how to then bind it to the TreeView?
I am writing an Administration Module which it lets the administrator to Add/Delete the items in TreeView. I know that I have to store the Items in SQL Database but I dont know how to retrieve them and bind to the TreeView and then Link them to related pages.
I have found some Tutorials but I did not understand completly. I've seen that they used to have the www.testwebsite.com/PageID=1?
I have the following code that populates a treeview with a database
it has a first and second level structure...example
-Animals
Cat Dog -Fruit Appel Orange +Cars
How can I extend my code to get a 3 category inside the 2second category node??
example
-Animals -Cat Small Cat +Dog -Fruit +Appel +Orange +Cars
the code below is a first and second level structure...how can I extend this to 3rd and fourth level??
Dim DBConn As SqlConnection Dim dt As New DataSet() Dim myConn As String = (ConfigurationManager.ConnectionStrings("myConnectionString").ConnectionString) DBConn = New SqlConnection(myConn) DBConn.Open() 'Create DataAdaptor for Customers and Orders 'Table and fetch record from the Database Dim DBCustAdap As New SqlDataAdapter("Select * From Product_MainCategory", DBConn) Dim DBOrdAdap As New SqlDataAdapter("Select * From Product_SecondLevelCategory", DBConn) 'Create DataSet object and fill DataAdapter Dim DSCustOrder As DataSet = New DataSet DBCustAdap.Fill(DSCustOrder, "Product_MainCategory") DBOrdAdap.Fill(DSCustOrder, "Product_SecondLevelCategory") 'Add Realation using Relation Attribute DSCustOrder.Relations.Add("CustomerOrders", DSCustOrder.Tables("Product_MainCategory").Columns("MainCategoryID"), DSCustOrder.Tables("Product_SecondLevelCategory").Columns("MainCategoryID")) 'Fill the TreeView control Nodes using For Loop For Each PRow As DataRow In DSCustOrder.Tables("Product_MainCategory").Rows Dim PNode As New TreeNode(PRow("MainCategory")) Me.tvDisplayRecord.Nodes.Add(PNode) For Each CRow As DataRow In PRow.GetChildRows("CustomerOrders") PNode.ChildNodes.Add(New TreeNode(CRow("SecondLevelCategory"))) Next PNode.CollapseAll() Next 'Close Connection and Dispose all database objects DBCustAdap.Dispose() DBCustAdap = Nothing DBOrdAdap.Dispose() DBOrdAdap = Nothing DBConn.Close() DBConn = Nothing End Sub
......my 3rd level datatable is called thirdLevelCategory
and has following columns: thirdLevelCategoryID secondLevelCategoryID ...(foreign key link to secondLevelCategory datatable) thirdLevelCategory
I would appreciate this so much is someone can tweak my code for me please.
i have created tree view using asp.net web forms...it will simply show the data in database in the tree view. i hav kept label which should show the specific id of each parent and child when clicked for all parent nodes id is displayed as 0 and for all child nodes id is displayed as 1, it should come like this for eg,when the 1st parent is clicked it should display 1 and then it's when 1st child is licked label id should be 1a, 2nd as 1b and 3rd as 1c and so on... wat function should i use to display in the above way
I want to populate treeview control parent and child nodes dynamically from the database table using sql server,asp.net and c# code,so that when user clicks the node in the treeview, it would take me to the selected aspx page.
I want to take the treeview's selectednode and then search control from the database for that particular node and then bind it in gridview column dynamically.
The problem is like i am not able to get treeviews selected node in OnInit method and if If i bind it in page load or anyother i am able to get treeview selected node but i cant create dynamic columns at that time using template handler.
How can i get the treeviews selected node or what is the option to bind usercontrol in gridview column dynamically without template handler.
I want to make a menu used treeview control.so I can get data from database,I want to see in treeview.
My database: Tablename: Menu,Field: Id,ParentId,Title.
How do see this table in treeview
Example:
--Main menu1 -- id is 1,parent id is null -- sub menu1 -- id is 3,parent id is 1 -- sub menu2 -- id is 4,parent id is 1 --Main menu2 -- id is 2,parent id is null -- sub menu1 -- id is 5,parent id is 2 -- sub menu2 -- id is 6,parent id is 2
I have a project where I need to create a folder type view which will show a list of files, and the description of them to the user when they navigate to the website.
Periodically a rash of occurrences of the following error happen. I believe they're the result of hack attempts. Whether that's the case or not, my question is how can I handle the error? I want to avoid unhandled exceptions. The TreeView control is just a standard .Net TreeView control, not a custom one. If you suggest a code solution, please code it in VB.Net as that's what I'm using.
Message: Input string was not in a correct format.
Stack Trace: at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) at System.Web.UI.WebControls.TreeView.LoadPostData(String postDataKey, NameValueCollection postCollection) at System.Web.UI.WebControls.TreeView.System.Web.UI.IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection) at System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
