Dynamically Adding Controls To A Panel Within A Data Repeater
Jul 15, 2010
I have a Data Repeater to which I need to add x number of images depending on their existence in the database.I need the images added within hyperlinks for Javascript functionality. In order to dynamically add the hyperlinks and images I have placed them within a panel in the data repeater and am adding them in the ItemDataBound event.The problem is that only the first image is being written to the datarepeater.[code]
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Jun 10, 2011
I am working on a project for a handheld in Visual Studio 2008 where I need to add a group of labels to a panel that correspond to a record on the database. The record is a "Pass/Fail" Record. So, if the record is a "Fail", the failed items will be added below the main group of labels; therefore, many child groups of labels will be added below the main group, which is theoretically the header record. I am using a second panel to add the failed items. My issue is how to dynamically add, name, and position the failed item labels and panels. Below, I have included a sample of what I am trying to accomplish.
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Oct 5, 2011
I am adding user controls to a panel that is empty, but when i do that, the scroll of the panel goes down.
I tried to set the panel.verticalscrol.value to 0 but that does not do the trick, so..
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Jul 27, 2009
I've successfully been able to add controls (labels, images, buttons, etc) to a panel control (using VB/ASP). This panel control, I refer to it as "insertpanel". Then I add this panel to the main panel on my webpage which I made during design time. The problem I run into is that when I add multiple controls of any type to the panel, they are all added in line with each other. I tried giving my image some css-styling of[code]....
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Dec 1, 2011
Guys I'm trying to dynamically create panels which are filled with seven radio buttons each. I get the panels but they are only filled with 1 radio button each. What am I doing wrong here? QuestionQuantity is an Integer and is the variable that determines how many panels I will be creating. The code is in the form load function located.
[Code]....
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Dec 2, 2009
I've dynamically added 20 pictureboxes to a panel and would like to see the panel scroll when I use the mouse wheel. To implement this I have tried to set the autoscroll to true on the panel control. Here is the code.
For i As Integer = 1 To 20:
Dim b As New PictureBox()
b.Image = Nothing
[Code]....
It works for "button" control, but not for the "picturebox" or "label" controls?
How can I implementthe scrolling affect using 'mousewheel'?
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Jan 19, 2009
I am trying to add controls to a Panel in a loop, but for some reason they are being added from the bottom up instead of top down.In a little test program I am running this
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
For i As Integer = 1 To 10[code]....
And this is the result I get ... the controls are added starting at the bottom. I need them to start at the top of the panel, with each new control being added under the previous one. If I remove the Dock statement, then the controls just get added on top of each other.
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Jul 10, 2010
I'm trying to add a group of four radio buttons to a form. There are other radio buttons so I'm grouping them by placing them on a Panel. However using the below I just get the panel added to the form without the radio buttons... Am I doing something wrong here?
Dim arrRButton(3) As RadioButton
arrRButton(0) = New RadioButton
arrRButton(1) = New RadioButton
[code].....
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Jun 21, 2012
Code:
Private Sub btnMonSet_Click(sender As System.Object, e As System.EventArgs) Handles btnMonSet.Click
My.Settings.tweetMon = tbMon.Text
If tbddOccurrence.Text = "Just Once" Then
If cbToday1.Checked = True Then
lblPanel.LblScheduledTweet1.whenDate = Date.Today
[Code] .....
The goal of this code is to add a control to a panel in runtime. This MUST be done in runtime for the purpose I intend. The problem is that, when I add a second control, the first one disappears.
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Apr 29, 2011
I'm trying to add a "panel" with controls dynamicaly. Something like the code below, Clicking "Add" button, displays a "Panel" with the controls(which are within a table), the number of "Education" someone can enter is unlimited. I know how to capture the data, but i can't figure out how to implement/code this,
[Code]....
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Mar 24, 2011
I have placed a button on data repeater (called datarepeater1) so that it is repeated with other controls. When I click this button, How do I access/reference the text value of a textbox control called TxtAnimalID on the same row? (This would be something like the current row I am on).
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Oct 1, 2011
I'm developing a website in visual studio 2008 using (asp.net/vb)I have to allow registered users to build pages and add controls that are already defined by the same userMy problem is how to build this page dynamically?In other words, I'd like to make like any CMS (e.g. Joomla). CMSs allow us to make new pages and add our controls then save them..
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Jun 23, 2012
I have been set a project from school to design snake in VB.Net but i am struggling to dynamically add the user control which acts as one of the dots in the body of the snake. Every time i add a dot on to the snake the previous vanishes. I assume this is due to me overwriting the previous one by creating a new instance of the object but i cannot find a way of adding a new one in.[code]I have tried using body(i) and other ways of adding a new instance of the object but am stuck.The subroutine will be called up when a new control is needed.
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Jan 27, 2010
I am fooling around with VB for a while now and it is not the first time I created custom controls to use in an application. The situation: I have a database application (FormView / not GridView). The form is designed the following way: At the left I have a Panel1 with TextBoxes and other controls to view / edit dataset records. At the right I have a Panel2 which contains on default a custom control (a number of PictureBoxes mainly) to view / add / delete pictures associated with the currently viewed data record.
On a ButtonClick at a special button on the ToolStrip, I would like to replace that custom control in Panel2 with another custom control (which contains a search with different search possibilities), so, I basically throw out the PictureControl and load a SearchControl instead. This is the first time where I actually designed the custom controls within the actual project. In past, I always developed the custom controls seperately in a new project and later imported the dll. However, my first attempt just does not work and I don't even know where I should start troubleshooting since I don't get any errors.
[Code]...
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Aug 5, 2010
Does datarepeater control has a bug? I tried to anchor a text box control inside the DataRepeater.Item, but it didn't work. At the property window, I set Anchor = Top, Left, Right. Anchor Right doesn't work properly.
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Jun 6, 2011
I'm having a lot of trouble trying to add a new control to a dynamically created TabPage at run time, I have viewed many threads with similar help requests and cant seem to make the codes work!
Here's what I've got:
Dim albumscount As Xml.XmlNodeList
albumscount = config_doc.SelectNodes("component/config/menu/album")
i = albumscount.Count - 1
Dim albumtitle As Xml.XmlNode
[code].....
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Feb 27, 2012
I have a User Control which returns a table of data, which in some cases needs to be looped, displaying one on top of another. I am able to dynamically add a single instance of this by placing a fixed placeholder in the page. I am now trying to work out how to add more than one, given that I don't know how many might be needed I don't want to hard code the Placeholders. I've tried the following, but I am just getting one instance, presumably the first is being overwritten by the second
My HTML
<div id="showHere" runt="server"/>
VB
Dim thisPh As New PlaceHolder
thisPh.Controls.Add(showTable)
showHere.Controls.Add(thisPh)
Dim anotherPh As New PlaceHolder
anotherPh .Controls.Add(showTable)
showHere.Controls.Add(anotherPh)
How do I make it add repeated tables within the showHere div?
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Jul 21, 2010
I'm trying to add a DataGridView to a Split Container Panel. I am able to add the control, but it just places it on top of the old one. What I want is to add it below the existing one. How to do it.
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Oct 21, 2009
I have a WinForms application that I need to dynamically add controls to at runtime. I searched for this and I was initially led to the TableLayoutPanel (TLP).
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May 6, 2011
I am dynamically creating and adding dropdown controls to DevExpress XtraGrid.That works fine and I can add a dropdown control to any column I wish.My main problem is that I need to have the first element in the dropdown control displayed. But after I dynamically add 3 dropdown controls to the grid, only the last one has the element displayed. The previous two do not.Although, I add the elements
this is what the code looks like:
vb.net
Dim column as DevExpress.XtraGrid.RepositoryItem.GridLookupEdit
For i as Integer = 0 to dsSometing.Tables(0).Rows.Count - 1
column = New DevExpress.XtraGrid.RepositoryItem.GridLookUp
[code]....
The code will go tru and add lets say 3 dropdown controls, set their .DataSource to datasets I need, but it will only show .NullText of the last added control.
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Mar 15, 2011
I am using a repeater to build a custom table. However, I can't figure out how to make the table show subtotal if the next rows tour does not match the previous rows.
Something similar to that.
row1 tour1
row2 tour 1
tour1 subtotal
[Code].....
but this shows all the data in the nested repeater not the ones that match the parentrepeater fields for example tour,theme,dep7 should match in the child repeater
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Jan 31, 2010
I have a project with 150 (i counted) Items in the "MainProject Components" area of the toolbox panel.These 150 classes are mostly database related objects like table adapters, and datasets that i hardly ever use. I also have about 10 custom classes that i use often.When i need to access the toolbox, I have two issues that i would like to resolve.
1.How do i organize the toolbox to separate my custom controls from the table adapters and datasets?
a.I have created a custom tab within the toolbox.
b.I have dragged and dropped my controls into this new area.
c.All is well until I exit my program and re-open it. Voila they're all back in the MainProject Components" tab.
2.How do I force the IDE to instantiate the toolbox panel as completely collapsed?
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Jan 6, 2011
However, I recently tried to use it in a repeater. Essentially my company wants to have a number of different values displayed as the main repeater (no problem setting that up). When the user clicks on a field within that repeater, they would like the collapsible panel to open up and display the detail information for that piece of data. The details are within a sub repeater.The repeater functionality and the child repeater functionality are working perfectly. So the repeater and the child repeater aren't the issue. If I take the collapsible panel extender out the data displays perfectly.The problem is that once I start opening and closing the panels, the screen rendering starts to go crazy, and there seems to be no rhyme or reason for it.
For example, on the initial screen rendering I get seven entries. They look perfect. Each of the seven line up across the screen and no extraneous data is shown.I click to open the first row, and it displays great. No problem. But when I then click it again to close the first row, I only see the first four rows of data, then a huge white space with a few seemingly random characters, then the next 2 rows, a smaller whitespace, then the seventh row. I click to open the first row again and everything looks exactly as it should again. Again close, again 4 rows, whitespace, 2 rows whitespace, last row.I reload the page and everything is ok.
So now I click on the second row to open it and everything looks perfect. I close the second row and I get the exact same result.Has anyone ever tried to use the ajax collapsible panel inside a repeater? If so, have you encountered strange rendering behavior such as this? And if so, were you able to get it to work?Here's a stripped down version of the
<div id="divContainerBody" runat="server" class="Containertbody">
<asp:Repeater
ID="rptContainers"
[code].....
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Apr 21, 2009
When a user is editing a given piece of data, they're allowed to add messages/comments. These are stored as child records in a SQL database. Clicking on the Add Message button brings up a panel (pnlMessage) courtesy of the AJAX ModalPopup Extender. This takes some input and, when the "Send Message" button in the panel is clicked (I learned the hard way to NOT make that the 'OkButton' property), the message is stored in the database and an email is sent to the intended recipients. No problem there.
However, I need to be able to allow the user to add new email addresses (so long as they are registered in our database). I have another ModalPopup / panel combo (pnlSearch) that's tied to a button on the previous panel (pnlMessage).
The user is supposed to be able to add an email or click on a search button to populate a list to choose from.
The pop-up panel (pnlSearch) comes up just fine, but clicking the "Lookup" button (which instigates the search and returns a collection of records that the user is supposed to pick from) closes the panel.
Previously, I ran into the problem of having the Button.Click event never firing when I put the Button into the "OkControlID" property (the CancelControlID works fine since I don't want to do anything). Removing the "OkControlID=Button" line allowed it to work perfectly with the Button.Click event firing as expected.
So now I have the Search panel with a button for "OK" and a button for "Search" - but the panel should stay up and visible after the Search.Click does it's thing. Am I missing some property that basically says "don't close the panel when this button is clicked"? Of course, if I bring up the panel again in the same session, the results from the previous effort are there (the search results).
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Nov 1, 2011
I am working on a CMS system for my business, and need to be able to generate notifications dynamically into a control panel. Please note, I am using .NET 2.0, coding with VB and my data is all held on a MySQL database.This is pretty simple for most aspects, but as the whole thing is dynamic some things are proving more difficult.I have a set of tags which are dynamically generated with a repeater as follows:
<asp:Repeater runat="server" ID="locationRepeater">
<ItemTemplate>
<p id='locationNotification' title="<%# Container.DataItem %>" runat='server'>
COUNT DATA NEEDS TO GO HERE
</p>
[Code]...
The data is really, really, simple, all I need to be able to do is query a table on my MySQL database for COUNT of ID WHERE locationName = Container.DataItem during each loop of the repeater... but I don't know how to do this.I'm thinking maybe I have to do this first, create a table in memory somehow, but I am afraid I have no idea how to achieve this.
Has anyone got any examples of a similar thing, it's kind of binding to a repeater from two datasources... each task is very simple, but I don't know how to put it all together!
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May 31, 2009
how I can get this to work. I want to distinguish dropdown controls inside a repeater control. I understand now about the lifecyle and how the buffer is already writen, but what are my alternatives? Here is what happens
Code File
Dim repeatTimes((TotalAdInsured - 1)) As Integer
myRepeater.DataSource = repeatTimes
myRepeater.DataBind()
[Code]....
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Feb 25, 2012
I'm trying to produce a repeater showing amounts of money taken by various payment types into a table.Payment types available come from a global settings file as an array, I am creating a dataTable by looping this list and extracting sales reports (there might be a more efficient way than this loop, but this is not my concern at the minute).My question: How do I bind this to a repeater and display it when I dont necessarily know the table column namesI've tried various methods to give the table a header row and give the columns numerical names from a for > next loop, but am either getting no results, orystem.Data.DataRowView' does not contain a property with the name '7'. < or whatever numberThis is where I currently am:
EDIT: JUST REALISED MY CODE WAS AWFUL, SO UPDATED:
Dim paymentTable As New DataTable("paymentTable")
For j = 0 To UBound(paymentTypes)
[code]....
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Dec 27, 2010
i need to display some text boxes, and have the ability for the user to "add another row"
i tried a datalist and a repeater, but it does not show anything at all, when the controls are blank.
<asp:DataList id="dlIso" runat="server" RepeatColumns="2" RepeatDirection="vertical" >
<ItemTemplate>
[Code]....
so in this case "test" does now show at all..
what is the best way to get this accomplished?
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Oct 10, 2011
I need to be able to trigger events when a user clicks on a radio button that is generated within an control on my page.I've added an OnSelectedIndexChanged handler to the RadioButtonList and created a function in my code behind that should handle the selection of the RadioButtonList's ListItems, but I don't know how to pass a value to that function.Here's my code:
<asp:Repeater runat="server" ID="rptQuestions">
<HeaderTemplate><table width="100%"></HeaderTemplate>
<ItemTemplate>
[code].....
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May 20, 2011
I'm using a repeater ListOfArticles and have controls inside it like ddlSizes and btnSelectArticle. Normally you can just double click the control and in the aspx.vb page you can specify an action. I have heard something about Findcontrol, but can't figure out or find much information that I understand. I don't want to sound like an ass, but I would really prefer help for the aspx.vb page and not in C# or Javascript.
An example of what I'm trying to do is, once you've clicked btnSelectArticle the label lblSelection receives the following values Amount: txtAmount - Size: ddlSizes.SelectedValue.
<asp:Repeater ID="rptListOfArticles" runat="server" DataSourceID="objdsArticleList">
<asp:DropDownList ID="ddlSizes" runat="server" AutoPostBack="True"
[Code]....
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