I have an issue with update a gridview into a Repeater. So, my problem in the following:
- When I update an item (from other controls on this page) or create a new item - my gridview is not updated.
- But If I delete an item from the gridview - it deletes ok.
Why it's only updated when I delete an item? Btw, I tried to bind the repeater and the gridview myself but it didn't help.
I've written some pages with ASP.net Repeater and GridView objects. I've seen that some other programmers write pages with these objects; but they make these objects do very nifty things.
For example, I've seen pages where a user clicks on a button and a jQuery dialog appears. When the user enters data into the dialog and clicks a button, the data is submitted using AJAX and the gridview/repeater is updated without reloading the page or posting back. What are good practices for accomplishing this?
The subject is explanatory, but here are some details:
I want to update a repeater when SelectedIndex value changes for a dropdown list. The problem is Nothing happens.
My aspx page is present in a nested master page. and neither autopostback works nor update panel. i have set the AsyncPostBack trigger on SelectedIndexChange event.
Please let me know what am i doing wrong or what am i missing.
PS: I have never worked on ajax before so I might have overlooked something.
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.
[code].....
I have two update panels on my page. One of them contains a list of users which is retrieved from the database. When I click a search button (which is outside of the update panel) the users are retrieved from SQL server and displayed in a repeater inside this update panel. Each of the users has a button next to them to 'Edit'. The seconds update panel contains all of the fields for a user. Textboxes, checkboxes and what not.
My plan is to click the search button as you normally would, and then when you click the 'Edit' button on a user, the second update panel fills with their details. This works except that when I do this the first update panel is updated again and because it hasn't searched for any users it goes blank.
So what I did was set both the update panels to conditional, and then call the first panels update at the end of the search code in the search button click event. So that worked, but now the repeater inside the first update panel is not firing the Item_Command event, so I can't get the details for a user. How can I resolve this so that the repeater button works inside the conditional update panel?
I have a web page devoloped in visual studio 2008.I have 4 dropdowns and a repeater in the page.based on the selection(search criteria) from the dropdowns the repeater value will change and one dropdown selection will bind values to the other dropdown also.Since the page is causing a lot of postback we decided to implement ajax here.I am yet to learn ajax.which ajax control replace dropdowns?
i have already server side code written on all dropdowns.Please give me a good solution which i can implement in less time and reuse my code.One more update: i have a master page used in the project.I am using update panel of ajax which does not work if i use master page.(That means all the dropdown controls and repeater i put it in update panel.But still page postback occurs.)In a normal page(without master page) it works?
Using the pubs database, my GridView groups titles by publisher. Everything displays correctly; I just can't edit anything. I click on "Edit" an the Textboxes don't appear. What am I doing wrong? Should my FillGrid() function be returning all the records or just the ones from that particular publisher group? Here is my .aspx code:
[Code]....
...and here is my code behind:
[Code]....
I have a bit of a strange problem and wondering if anyone can help.I have an update panel that has a timer set as the AsyncPostBackTrigger.
In the repeater I have a few buttons which have on click events.The on click of these buttons does not appear to fire until the timer has ticked. My code is as follows:
[Code]....
For the solution, I cannot use any postback methods, because this is all working through ajax. The solution need to be implemented in the asp.net code. I have a List<WebPage> that contains a list of Links (List<Link>) and I need for all the links to bind repetitive information such as page title, id, url. Here is my current repeater.
<div id="result">
<asp:Repeater runat="server" id="results">
<Itemtemplate>
<asp:Repeater runat="server" datasource='<%# Eval("Links") %>'>
<Itemtemplate>
<tr class="gradeX odd">
<td><%# Eval("Id") %></td> //property of WebPage (part of results repeater)
<td><%# Eval("Title") %></td> //property of WebPage (part of results repeater)
<td><%# Eval("Url") %></td> //property of WebPage (part of results repeater)
<td><%# Eval("URL") %></td>//Property of Link
<td><%# Eval("URLType") %></td> //Property of Link
<td><%# Eval("URLState") %></td> //Property of Link
</tr>
</Itemtemplate>
</asp:Repeater>
</Itemtemplate>
</asp:Repeater>
</div>
of course this doesnt work, how can i do this?
updating data in the gridview by using AJAX?
Once values are entered into textboxes and saved into Database, then gridview has to update the new changes. And not by using the ajax updatepanel
I have 2 gridviews in an update panel that for some reason will not update. There is no data entry, paging, sorting going on, the data is just there to be displayed. I'm using a timer that initiates every 5 minutes to trigger the updatepanel. I also have an updatepanel on an additional page where I am also using a trigger to fire the updatepanel with 2 charts and 1 oneline/column gridview. The 2 charts update just like they are supposed to however the gridview does not. Here is the code for the 2 Gridview aspx page:
[Code]....
Does anyone know the solution to this issue or if Gridviews just don't refresh in UpdatePanels.
i've a gridview, a dropdownlist and an updatepanel
without UpdatePanel : when i select values from dropdownlist it updates the gridview, working fine
with UpdatePanel : it showing an javascript error
"Line: 4044
Error: Sys.InvalidOperationException: Two components with the same id 'ctl"
and when i close the window (ie8) the error is coming
"Line: 2989
Error: Sys.ArgumentNullException: Value cannot be null.
Parameter name: element"
I've an ASP.NET page with UpdatePanel containing WebPartManager, two web part zones and user controls as web parts. The web parts have GridViews. When testing on LCD screens, sometime GridView does not update correctly - some information is missing from columns in some rows. On normal PC the rendering is just fine. What might be the problem ? I'm using PageMethods to check for page update and then use _doPostback to update the whole page. Sometimes the caption of the web parts have also overlapped letters.
I've UpdateMode as conditional with rendering as block. Should I use inline mode ? What other things I could check and try ? Should I follow this link [URL] to destroy the GridView inside the web part on partial rendering?
how to do everything using xml jquery ajex and asp.net( save,update,Gridview )
View 4 RepliesOn my aspx page, I'm having troubles when I have an update panel within the footer template of a gridview. It appears to be an intermitent problem that occurs on subsequent postback when you do a delete command in the gridview. The first delete command always goes through fine (first postback). Clicking on another row to delete on the gridview (or any other button on the form) triggers this error: An error has occurred because a control with id 'ctl00$SupremeContent$grdLineNumbers$ctl09$ctl00' could not be located or a different control is assigned to the same ID after postback. If the ID is not assigned, explicitly set the ID property of controls that raise postback events to avoid this error.
If you click the back button in the browser, then click on another page, then come back to this page, you can delete another record. Another attempt to delete another record brings you back to the above problem. Thectl00$SupremeContent$grdLineNumbers$ctl09$ctl00 changes each time you delete, come back to the page and delete. If I disable the udpate panel, there's no errors. The reason I have the update panel is so that the user can select the relevant pipe specification (they see multiple columns using a textbox, drop down extender, panel and gridview) without the form's data being reset by the embedded gridview's selected index changed event. I've been trying to figure this out for a month now. Oh ya, this form is within a master page.
Here's the gridview code:
[Code]....
And this is the event that handles the delete command:
[Code]....
I have an web application with a masterpage, a modalPopupExtender to insert new records, and and updatePanel with a gridview inside, which I have modified the edit and delete buttons into a templateField to allow the use of a confirmButtonExtender.The problem is that I cannot edit (you click on the edit button, you modify the record, but I cannot confirm the edit).But, if I show the modalPopup (it doesn't matter if I insert a new record or not), the, the edit works, anyone knows what could be?
View 5 RepliesI need to know how to get a hidden field on my asp.net webpage into the ContextKey of a Ajax AutoCompleteExtender that is in a gridview
I guess i need to do something like:- (This does not work, but it will give you the idea)
if (e.Row.RowType == DataControlRowType.DataRow)
{
if (e.Row.RowState == DataControlRowState.Edit)
{
AutoCompleteExtender ace = (AutoCompleteExtender)e.Row.FindControl("AutoCompleteExtender1");
ace.ContextKey = "Test";
}
}
<EditItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("col_ItemDescription") %>'></asp:TextBox>
<cc1:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" CompletionInterval="500"
MinimumPrefixLength="1" ServiceMethod="GetCompletionList" TargetControlID="TextBox3"
UseContextKey="True" ContextKey="HIDDEN FIELD DATA SHOULD APPEAR HERE">
</cc1:AutoCompleteExtender>
</EditItemTemplate>
I have problem with dropdownlist I can't update gridview in popup. When i click edit everything was show me but I can save. If Idelete dropdown and leave textbox it was save.
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<%@ Register Src="LeftPanelControl.ascx" TagName="LeftPanelControl" TagPrefix="uc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
<script src="scripts/jquery-1.3.2.min.js" type="text/javascript"></script>
<script src="scripts/jquery.blockUI.js" type="text/javascript"></script>
[Code] .....
add new row in gridview programmatically without postback (using update panel)?
View 7 RepliesI have gridview with SelectedIndexChanged event.
when I click on a record in gridview it should call the SelectedIndexChanged event and do some operations.
SelectedIndexChanged event is working OK, but when I put the gridview inside ajax updatepanle SelectedIndexChanged event will not response even if I add AsyncPostBackTrigger trigger for SelectedIndexChanged event.
<%@ Page Title="" Language="C#" MasterPageFile="~/Master.Master" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="IMAM_APPLICATION.WebForm1" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<div id="mydiv">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<br /> <br />
<br />
<asp:GridView ID="GridView1" runat="server"
style="position:absolute; top: 280px; left: 30px; height: 240px; width: 915px;"
PageSize="5"
onselectedindexchanged="GridView1_SelectedIndexChanged"
AutoGenerateColumns="False" DataKeyNames="idcontact_info">
<Columns>
<asp:CommandField ShowSelectButton="True" />
<asp:BoundField AccessibleHeaderText="Midle Name" DataField="Midle_Name" />
<asp:BoundField DataField="Last_Name" HeaderText="Last Name" />
<asp:BoundField DataField="Phone_home" HeaderText="Phone Home" />
<asp:BoundField DataField="cell_home" HeaderText="Mobile Home" />
<asp:BoundField DataField="phone_work" HeaderText="Phone Work" />
<asp:BoundField DataField="cell_Work" HeaderText="Mobile Work" />
<asp:BoundField DataField="Email_Home" HeaderText="Personal Home" />
<asp:BoundField DataField="Email_work" HeaderText="Work Email" />
</Columns>
</asp:GridView>
<br />
<br />
<br /></ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="GridView1"
EventName="SelectedIndexChanged" />
</Triggers>
</asp:UpdatePanel>
<asp:RadioButton ID="rdoSearchFlat" runat="server"
style="position:absolute; top: 565px; left: 70px;" Text="Flat Search"
GroupName="Search"/>
<asp:TextBox ID="txtSearch" runat="server"
style="position:absolute; top: 560px; left: 170px;" ></asp:TextBox>
<asp:Button ID="btnSearch" runat="server" Text="Search"
style="position:absolute; top: 555px; left: 375px;"
CausesValidation="False" onclick="btnSearch_Click"/>
<asp:Label ID="Label7" runat="server" Style="position: absolute; top: 630px; left: 85px;"
Text="First Name"></asp:Label>
<asp:TextBox ID="txtFirstName" runat="server" Style="top: 630px; left: 185px; position: absolute;
height: 22px; width: 128px">
</asp:TextBox>
</div>
</asp:Content>
I have a Gridview containing 10 columns and anywhere from 10 to 40 rows and each cell contains either dropdown or input boxes.I also have a calendar control that changes the data displayed in the gridview.Right now I have an outer update panel around the entire gridview and then I have inner update panels around each control, so potentially 400 update panels depending on the amount of rows for each day.The individual control updates happen fairly quickly if I for example change a dropdown etc, but when I change the day and the entire gridview has to refresh it is painfully slow.On average 30-50% of the cells will be manipulated between change of date. What is best practise? Right now it is to slow.
View 2 RepliesI am having problems getting the Autocomplete extender to work within a grid view which is contained inside an update panel.Outside of the update panel the auto complete works fine, but when placed inside the 'EditItemTemplate' tags on my gridview it does not display any results. Debugging revealed that the webservice is being called and values returned, but they are not being displayed within the grid view.
View 3 RepliesI have popucontrolextender inside gridview and by using dynamicservicemethod I could pop out panel. I followed following article to accomplish this.
[URL]
However, one of my popup takes a while to come up and I am sure users doesn't want to wait that long for panel to pop up. I want something like progress bar image to come up after user hit the row in the gridview. I can do this in modalpopupextender but I can't find any example to accomplish this using PopupcontrolExtender inside gridview using dynamic service method.
after filling all criteria when i press search button the result arrives in gridview nw when searchbutton pressed after that every 20seconds i want 2 update gridview data which is in update panel
View 3 RepliesI have a Gridview select button and whole gridview enclosed with Update Panel + trigger on select. I found CSS of Gridview lost on select. How to deal with this ?
View 1 Replies
