Web Forms :: Populating Treeview Control Dynamically?

Oct 21, 2010

I want to populate my treeview with the values from database. How can i do it.

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Web Forms :: Populating A Dynamically Generated Checklist Control In Code-behind Not Working?

Feb 5, 2011

(The following is a complete re-edit of the original post which was rambling, confusing etc...)

I have a form with a dynamically generated checklist:

<asp:CheckBoxList ID="cblGames" runat="server" DataSourceID="sqlGames" DataTextField="Game" DataValueField="Id" </asp:CheckBoxList>
<asp:SqlDataSource ID="sqlGames" runat="server" ConnectionString="<%$ ConnectionStrings:Games %>"
SelectCommand="SELECT [Id], [Game], [ShowWaitingList] FROM [Aanbod] WHERE ([ShowWaitingList] = @ShowWaitingList)">
<SelectParameters><asp:Parameter DefaultValue="true" Name="ShowWaitingList" Type="Boolean" /></SelectParameters>

The following code-behind is supposed to check those boxes that correspond to values stored in a database. It fails and I don't know why.


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Forms Data Controls :: Populating Dropdownlist Inside Listview Control Dynamically?

Mar 5, 2010

I have a dropdownlist in EditItemTemplate and InsertItemTemplate which I want it to populate at the runtime while Inserting an item or Editing an item.

I am facing an issue regarding populating a dropdownlist dynamically while in Edit and Insert mode. There are 0 Records in my table and it shows "Empty Data message" in my Listview control. Even the ItemDataBound event does not fire. So I am not able to find the dropdownlist in that listview.

This is my Aspx code which shows only InsertItemTemplate and EditItemTemplate.


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Web Forms :: Masterpage That Is Populating A Treeview From A Sql Db?

May 6, 2010

am using asp .net 3.5 web forms with VB.I have a masterpage that is populating a treeview from a sql db. When a user clicks on the name in the tree it passes the employee identifier (employee number) to a label on the master page i have hidden. FROM the CONTENT page i am reading the label on the master page and updating the label on the content page to match the label on the master page so i can use the emp number to display info. At least that what i want. However, the content page is not posting back when the label updates of course and its one clikc behind becuase there is no post back. Is there a way to make the page postback when a label changes or a textbox for that matter.Here is how i am updating the label control On the mastepage :

Public Property EmpCode() As [String]
Return Label360.Text


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Dynamically Generating The Nodes In Treeview Control And Displaying The Results On Selecting The Node

Mar 29, 2011

I am using a treeview control and just want to add nodes dynamically. On selecting a node the results based on that node must be shown below.

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Web Forms :: Populating DDL Dynamically From GetFiles?

Jan 21, 2010

I am populating a data bound control DropDownList with file names from a local folder that resides within a ListView control.

I am able to populate as expected, in testing list is generated - all good in that regard.

However once I set to databind by adding SelectedValue='<%# Bind("ImageFile") %>'the following error occurs

ERROR:Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.

This is the aspx file .. no codebehind:



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Web Forms :: Dynamically Populating A Page?

Feb 27, 2011

I'm currently building my website and have hit a brick wall. I've not begun coding anything fro this yet as I am unable to get my head around it and not sure where to start.

I've got a database table with a list of town/ county names ( columns are id, town, county).

What I'd like to do is have a template page with set places for town/ county names and then when a particular area is searched for in google/ bing etc my template page with the relevant town/ county name is shown.

I know that's a bit vague so if you have any questions, let me know. One thing I don't want to do is manually create a page for each individual town/ county!

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Web Forms :: Dynamically Populating Radio Buttons?

May 10, 2010

I have a writing a web page that will use several different types of control. The control types will depend on the data being read from a SQL database. The following is my code that decides what control to add to the page:

Select myReader.GetString(1)
Case "DatePicker"
Dim bdpAnswer As BasicFrame.WebControls.BasicDatePicker = New BasicFrame.WebControls.BasicDatePicker()
bdpAnswer.DateFormat = "dd/MM/yyyy"
Case "DropDownList"
Dim ddlAnswer As DropDownList = New DropDownList()
Case "RadioButton"
Dim rbAnswer As RadioButton = New RadioButton()
Case "TextBox"
Dim tbAnswer As TextBox = New TextBox()
End Select

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Web Forms :: Populating Hidden Fields Dynamically?

Jul 14, 2010

I have a Grid view which is being populated from a database. Now I want to add a button that has its own html with some Hidden fields. I have introduced an Template Field and put the html in that field which works fine. But now I want to send the values in hidden field dynamically. i.e. the Id and value comming form the database.

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Web Forms :: Dynamically Populating The Database In The DropDownlist Using C#?

Sep 24, 2010

i have 2 tables Desgn & EmpForm

Desgn table is lik this

CREATE TABLE [dbo].[Desgn](
[DesignationCode] [int] IDENTITY(1,1) NOT NULL,
[DesignationName] [varchar](50) NOT NULL,


and i have called the Populate1() method in the page load event., but i m not getting the dropDown populated why ?

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Forms Data Controls :: Populating Dropdownlist Inside Gridview's TemplateField Dynamically Created

Sep 6, 2010

I need to create a TemplateField column dynamically , which will contain dropdowlist controls. I've been using this
example to create my first dynamic columns and for the last column, the one that contains dropdowlist controls, I've written this class:


But what I don't know is, where should I populate the dropdownlist control?

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Web Forms :: Add Url's In The Dynamically Created Treeview?

Nov 23, 2010

i have created the dynamic tree view in ASP.NET using C#, but i have to add url's in the dynamically created treeview. can any one give the basic coding for it with example..

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Web Forms :: Checkboxes At End Of Node Of Treeview Dynamically

Aug 30, 2012

How can i put Checkboxes at the end of the node of treeview dynamically. My treeview is dynamically generated.

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Web Forms :: Setting Root Folder Dynamically In Treeview?

Jun 10, 2010


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Web Forms :: Treeview Expanding / To Show The DB Values Dynamically?

Feb 15, 2011

I am using a treeview control to show the DB values dynamically below is my code


My problem is whenever i debug the code im getting treeview in expanded mode,but i want to achieve like whenever i click on the top node it has to show below nodes

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Forms Data Controls :: Building A Treeview Dynamically From SQL?

Jan 25, 2011

Need to build a treeview dynamically from SQL data. I have 2 tables Project and SubProject.

A project can have many sub projects...

I need a display like this....

Project 1
subproject a
subproject b
Project 2
subproject c
subproject d

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Web Forms :: Way To Store Object Data To Treeview Node Dynamically

Dec 30, 2010

I want to store object data to treeview node dynamically(while application running) , In windows form i use node.tag = ? , and it it ok , i try node.DataItem = something , but it is readonly , so how would i store object data in asp.net

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Web Forms :: Generating Textboxes Dynamically On Selection Of Treeview Node?

May 25, 2010

I am generating Textboxes dynamically on selection of treeview node.

The problem is i have a button and on click of it postback happens and all the date entered in the textboxes and textbox it self is lost ;(

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Forms Data Controls :: Dynamically Populating A DetailsView With OleDb Data Adapter?

Feb 15, 2011

Just want to know if it is possible to Dynamically Populating a DetailsView with OleDb Data Adapter ? It has to be done on the Page_load because it has to display a users details that i must be able to edit!

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Forms Data Controls :: Dynamically Populating Fields In A Gridview Depending On Data In A Table?

Jul 17, 2010

I have a gridview that is populating from a SQL DB and working fine. However, based upon certain data I find in fields in the SQL table, I want to place a 'n' or a 'y' in extra columns in the gridview that I am assuming need to be templatefields. My thought was I could maybe add 8 template columns and then I could put a 'y' in the appropriate column based upon the data I find the table. For the life of me, I cannot figure out how to do this. I want to do this at rowdatabound time ( i think) but I just cannot find out how to, in my code, put that 'y' in the columns. Is this the right way to do this or do I need to do it another way? How do I get that 'y' in the proper column?

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Forms Data Controls :: Dynamically Added Treeview - Can't Get Checked Nodes Populated On Demand?

Jul 23, 2010

the problem is actually in the subject. I have custom control that uses treeview. The control is added dynamically. Nodes for this treeview are populated on demand. Treeview nodes can be checked. I recreate this control on page load event, but still CheckedNodes is empty if checked nodes were added dynamically (added on demand).

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Web Forms :: Error In Populating A Label Control From A Function?

Jan 27, 2011

I am trying to populate a label with return value from a function, but getting an error when calling the function which says "The name 'CUST_CODE' does not exist in the current context".The code:

<%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="OrderEntry.aspx.cs" Inherits="WebApplication3.WebForm7" %>


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Web Forms :: Populating A Ordered List In A User Control?

Jul 20, 2010

I have a upload section on a user control

<div class="AttachQuote"><fieldset>
<asp:Button ID="btnAttachQuote" UseSubmitBehavior="false" Text="Attach Quote" runat="server" />
<ol id="olUploadedFiles" style="list-style-type: decimal; padding-left: 30px;">

the btnAttachQuote is defined as

protected global::System.Web.UI.WebControls.Button btnAttachQuote;

can i do something simular to olUploadedFiles? there are alot of list options in webcontrols and i'm unsure how to use them. I would like to use a for loop to populate olUploadedFiles from a string array in my .cs. something like ...

int i = 0;
while (files[i].Length !=0)
olUploadedFiles.add (files[i]);//i'll substring the file names out

I'm using the same control for both the form submit and the status page(label only mode). I can load the rest of the info i just can't populate the dropdown from the codebehind.

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Web Forms :: Showing A Treeview Control In A Modal Window When Click On A Menu Control?

Mar 3, 2011

I want to make a website having the following UI.

Once I click on 'Engines included' a treeview having all the engine node should show. I am geting the engine collection dynamically from database.

1.What should i use to create enginesIncluded control? 2.How do i show a user control having a treeview on click of 'engine included' control? 3. I also need to show the selected engines on the top row as buttons .

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Forms Data Controls :: Populating Chart Control From DataTable Programmatically?

Jul 15, 2010

When trying to populate a Chart control in asp.net 4.0, I cannot seem to get it to show the data in the way I want to.

This is the table (DataTable) I want to DataBind to the chart control:


I want to represent this table in a chart control. How can I do this and make my code dynamic?

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