I am trying to use a check box within a repeater in an asp.net vb application. Basically, i am have an application that allows users to create blog posts and then other users can comment on them. I am using a check box to provide the user with functionality to like the posts comments.
When the user clicks on like, it is supposed to fire the event which will insert or update the users like record. However, this even does not seem to be firing.
I set up the check box within a table within the repeater as follows:
Code:
Protected Sub chkLikeComment_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs)
MsgBox("like clicked")
Dim CommentItem As RepeaterItem = sender.NamingContainer
Dim HiddenID As HiddenField = CType(CommentItem.FindControl("HiddenCommentID"), HiddenField)
Dim CommentID As Integer = Convert.ToInt32(HiddenID.Value)
[Code] ....
I included a Msgbox in the event to see if i would at least get that and then the problem might be something else, but i don't even get the msgbox to pop up which is why i'm thinking the check changed event is not even firing.
I've been searching the net for solutions on how to get it to fire, but what i've found so far either does not work or i am not using it properly. I saw something about re-subscribing to the event in repeater's on item data bound, and tried to set up that the way they had, but i am not sure if i did it right, as i get an error that says the checked changed cannot be called directly and to use raise event instead...
Code:
Protected Sub rptComments_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.RepeaterItemEventArgs) Handles rptComments.ItemDataBound
Dim CheckLike As CheckBox = CType(e.Item.FindControl("chkLikeComment"), CheckBox)
CheckLike.AutoPostBack = True
CheckLike.CheckedChanged += New EventHandler(chkLikeComment_CheckedChanged)
End Sub
I have been trying to get this to work for about a week now with no luck
I have a Repeater which populates a list of Checkbox controls and Label controls. But it doesn't seem like the checked state of the checkboxes is remembered in ViewState until AFTER the first postback.
Scenario: I have 5 items in my custom checkbox list. I select the first 3 and submit the form. The first 3 are no longer selected. I select items 1, 3 and 5 and submit again. After the page is loaded 1, 3 and 5 are still selected.
Here's the entire code for the test page I'm using. My apologies for the VB :-p
Imports System.Xml
Partial Public Class _Default Inherits System.Web.UI.Page [code]....
I got a gridview in place after nutting it out (new to Asp.net WebForms) after asking here. Remember my gridview are being bound to an IList<>. Works fine (code below)
I want to add a checkbox next to each row so users can select those records that they want (not relevant..yet)
However I could not find a way to set the id of the checkbox to the Id of the instance of my class (IList<MyClass> for instance where MyClass got an EntryId member).
This is what I got so far (working fine..just that id's)
Another question (related, so figured I'd ask here) is how do I get the checked items in my code behind (got a link button and want to go over the selected items in it's click event).
I am using a asp.net website and using vb to query my sql database although i need to use check boxes but have no clue how to code them in vb, any example i want to use 4 checkboxes to show the information of which ever is picked.
I tried some of the example from the web, but all of them will check/uncheck all the checkboxes in the form, NOT only in the repeater. Is there a way to implement this and only apply to repeater.
I need a sample how I can check checkboxes in repeater using SQL statement. The checkboxes within repeater are populated fine and are named with ObjectName value from database but I just need to checked those values that are returned by a select statement:
private void CheckUserLocations() { // user reference that is currently viewed [code]....
I´m using a Repeater to generate Items out of a Database. Each ReapeaterItem should include an UpdatePanel, because i have to Update the Controls inside the UpdatePanel and do not want to reload the complete page. Inside these dynamically generated UpdatePanels (each RepeaterItem has one) i´m adding up to three Checkboxes dynamically (based on the Database). These Checkboxes need to fire the "CheckedChanged" event, because on some conditions i want to enable/disable/check/uncheck Checkbox1, 2 or 3 based on business logic. ... Hope you got this so far. I´m adding all Controls and have the EventHandler Added. But the generated Code does not reflect the Event Handler. I tried OnItemDataBound, OnItemCreated, PreRender, ... Events to add the Eventhandler too, but i was not able to find the CheckBox-Control with the ID.
I´m totally lost with this and on the way to use Buttons instead of Checkboxes. From what i read so far is that with Buttons i can use the CommandName from the Button and the ItemCommand-Event from the Repeater to get a workaround, but then i need to reflect the "Check" on the Page in some way. btw, every Repeater (8) sits inside an ajaxtoolkit-accordion control. Here i give you some Code:
When user upload new documents then this document goes for approval to supervisor and for this i use dropdowns ...when I use dropdown the exact result not occur and now i wat to approve/reject through checkboxes...
I have an ASP:Button inside a Repeater control. The repeater is databound in code-behind. The Button text is populated with the data field value. When I click on one of the buttons, I want the text value to update a variable whos value is used to re-query the sql tables and redisplay the page. What I have so far does not update the value when one of the buttons is clicked.
Code:
asp code for the repeater: <asp:Repeater ID="rptYears" runat="server" OnItemCommand="yr_ItemCommand"> <ItemTemplate> <asp:Button ID="btnYear" runat="server" CssClass="yrBtn" Text='<%# Eval("YR") %>' /> </ItemTemplate> </asp:Repeater>
vb code: Public Class AssessDetails Inherits System.Web.UI.Page Dim theTaxkey As String = "" Dim theYear As Short
I have a repeater that retrieves questions from a database and displays them on the screen along with a group of radiobuttons. The radiobuttons display correctly and seem to work (only one can be selected per question), but I'm having trouble referencing the buttons from code-behind (C#) to see which button has been checked. So far I've been trying to access the radio buttons this way:here "current" references the index of the current question,
Things like .Checked (after the code above) do not work since the code does not recognize the returned item as being of type Radiobutton. The radio buttons are grouped, so if there is a way to find out via the groupname
I am using a custom membership provider. I needed to bind a repeater to a membershipusercollection but the only way I could think of was this:
There is no method to return a lcollection of membership users by userid. I basically have a friends table with a userid and a frienduserid field. both are foreign keys to the user table. So say I am userid 1 and I have two friends userid 2 and userid 3.
I needed to get a collection of membership users who are my friends (user 2 and 3)
So I did this:
Code: Dim lstAccountIDs As List(Of Integer) = bl.GetFriendsAccountByUserID(iUser) Dim mUsers As New MembershipUserCollection For Each a In lstAccountIDs mUsers.Add(Membership.GetUser(a)) Next
I get their id's and add them to to list(of Integer) then I loop through the list and get the particular user by id and add them to a membershipusercollection object.
I now need to add paging to my repeater control that uses that collection as a datasource. However the membership provider doesn't give me the ability to specify a pageindex or pagesize etc. It gives me those options in the GetAllUsers function but I need it to work in the above scenario.
The title pretty much explains it. I want to bind a single item to a detail type control. I can bind to a repeater perfectly fine and obviously only one item will be displayed. It seems like there would be a better suited control for this. I know about FormView and DetailsView but they both generate a table which I don't really want. Something similar to the Repeater since it doesn't generate any content other than what you put in the template.
I am using a repeater control and i want to use one more repeater control inside the existing repeater control .Â
Like this:
<asp:Repeater ID="Repeater1" runat="server">   <HeaderTemplate> </HeaderTemplate>      <ItemTemplate> <!-- start child repeater -->    Here I want to use one repater control     <!-- end child repeater --> </ItemTemplate> </asp:Repeater>
I have nested a repeater control in Gridview. Right now it is showing gridview rows and repeater header for every case(whether data is there or not for that particular grid view row in the repeater control). I want to hide the gridview row and repeater control header when there is no data present for that particular gridview row. That case I handled at code level by filtering the resulted data table.
Now the another problem I am facing: I have allowed the paging on the gridview i.e. pagesize 3. When page loads it works fine, but when I go to page 2 then it generates following error: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index
Below is the code to fill the grid, paging and fill repeater on rowdatabound event of grid.
I have a user control that displays a shopping cart in an ecommerce application.
The main cart display is a repeater that renders as a html table. In one of those table columns, there is another repeater to display people associated with the products int he cart (it's a repeater in case there is a line item >1 with multiple people).
I've added an ImageButton that I want to use to change the person associated with the item. At first, when I'd click on it I was getting this error:
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
So as an experiment I disabled EventValidation on the page (not the control it's self) and now I do not get an error, but I also do not ever hit the breakpoint I set in the innermost repeater's ItemCommand event.
So I wonder how I might do this without disabling EventValidation, because this control will show up on multiple pages and we don't want to edit them all. Also, I'll need to know not only the repeater containing the control's row that the event came from but also the row index of the repeater containg this one. Is this possible?
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 row3 tour2 row4 tour2 subtotal total
[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
I'm so confused I wasn't even sure what to make the title so that it would make sense.
Here is what I have:
[code]...
I have links at the top of the page that are the letters A-Z. What I want to do is click on one of the letters, then show only the div IDs that start with that letter. I can't figure out how to do this since I'm dynamically creating the ID names. I had it set up nicely with Javascript and CSS, but the function call was inside the repeater. The layout is changed now, and I don't understand how to make the div ID available outside the repeater.
what changed do I need to make to my code for it to achieve what I'm after.
At the moment I am getting a "cannot cast to type" error message with the below code.
I have also tried calling the ItemDataBound method in with the parent repeater tags and had no errors but when I clicked on the button it would just move back to the top of the page and would not hide or show any data. Also I have made the div style to none but the first record still shows its child but the rest don't.
I have set up an asp repeater to go through and display a list of people based on input parameters. Within that repeater I have a repeater that displays specific details about each person. No problem so far.
However, my requirement is that I only display the names, with a plus/minus sign to the left of the name. Clicking on the plus sign will expand that person's information to show the details. Clicking the minus sign will collapse the detail info.
I have a panel set up within my primary repeater that encompasses the secondary repeater.
Edit: I have a working solution already - I would just like to know why my original attempt didn't work. My original attempt is the code below.
I'm using the approach I found here:[URL] 306154 to implement a nested Repeater. Each parent item has one or more children items (the point of having the nested Repeater) with a dropdown horizontally aligned to each child item. In an effort to re-use the nested part of the Repeater I wanted to develop that piece as a user control but couldn't get it to work. I am wondering if it is even possible and if so how?
And here is my code behind for the user control. I noticed when I debugged NestedDataSource was null even though in the parent page load the data is there:
The page loads but nothing relating to the repeater appears on the screen. So, can you see anything wrong with what I have? Is the way I tried doing this even possible?
