AJAX :: Gridview Paging Within Updatepanel?

Aug 24, 2010

I am new to Ajax. I have problem in paging for gridview which is in a update panel.I set the update panel update mode to conditional. The 2nd page records are not display after I click the 2nd page.for ref:

scriptmanager mode=release,enable page method=true.
updatepanel:always

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Similar Messages:

AJAX :: UpdatePanel GridView Paging Postback?

Dec 15, 2010

I have a simple form containing a gridview that displays some records. Everything works fine but I was hoping to wrap the grid view inside an updatepanle to prevent a full postback (flickering) when paging.

It doesn't seem to matter what I try, paging always causes a full postback which causes the page to flicker. What am I doing wrong?

Here's my markup:

[Code]....

And here's my aspx code:

[Code]....

<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="true"></asp:ScriptManager>

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Ajax - Gridview Paging Doesnít Work Inside UpdatePanel

Jan 26, 2011

Altough questions somehow similar to this have been asked for a number of times, but the question is still unsolved. Here is the question: I have a gridview which is contained in a tab container ajax control which itself is inside an updatepanel. Gridview works excellent and its corresponding methods are fired accurately, but when I enable paging, (e.g.) after I click on page 2, the gridview hides itself. here is my PageIndexChanging method:

protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
GridView1.DataBind();
UpdatePanel2.Update();
}

Why paging causes gridview to stop working correctly? What can I do?

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C# - Custom Paging For GridView In An UpdatePanel Not Firing PageIndexChanging Event

Mar 17, 2010

I have a GridView that uses custom paging inside an UpdatePanel (so that the paging and sorting of the gridview don't cause postback). The sorting works fine, but the paging doesn't. The PageIndexChanging event is never called. This is the aspx code:

<asp:UpdatePanel runat="server" ID="upSearchResults" ChildrenAsTriggers="true" UpdateMode="Always">
<ContentTemplate>
<asp:GridView ID="gvSearchResults" runat="server" AllowSorting="true" AutoGenerateColumns="false" AllowPaging="true" PageSize="10" OnDataBound="gvSearchResults_DataBound"
OnRowDataBound ="gvSearchResults_RowDataBound" OnSorting="gvSearchResults_Sorting" OnPageIndexChanging="gvSearchResults_PageIndexChanging" Width="100%" EnableSortingAndPagingCallbacks="false">
<Columns>
<asp:TemplateField HeaderText="Select" HeaderStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:HyperLink ID="lnkAdd" runat="server">Add</asp:HyperLink>
<asp:HiddenField ID="hfPersonId" runat="server" Value='<%# Eval("Id") %>'/>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField HeaderText="First Name" DataField="FirstName" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" SortExpression="FirstName" />
<asp:BoundField HeaderText="Last Name" DataField="LastName" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" SortExpression="LastName" />
<asp:TemplateField HeaderText="Phone Number" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" >
<ItemTemplate>
<asp:Label ID="lblPhone" runat="server" Text="" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerTemplate>
<table width="100%" class="pager">
<tr>
<td>
</td>
</tr>
</table>
</PagerTemplate>
</asp:GridView>
<div class="btnContainer">
<div class="btn btn-height_small btn-style_dominant">
<asp:LinkButton ID="lbtNewRecord" runat="server" OnClick="lbtNewRecord_Click"><span>Create New Record</span></asp:LinkButton>
</div>
<div class="btn btn-height_small btn-style_subtle">
<a onclick="openParticipantModal();"><span>Cancel</span></a>
</div>
</div>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="gvSearchResults" EventName="PageIndexChanging" />
<asp:AsyncPostBackTrigger ControlID="gvSearchResults" EventName="Sorting" />
</Triggers>
</asp:UpdatePanel>
In the code behind I have a SetPaging method that is called on the GridView OnDataBound event:
private void SetPaging(GridView gv)
{
GridViewRow row = gv.BottomPagerRow;
var place = row.Cells[0];
var first = new LinkButton();
first.CommandName = "Page";
first.CommandArgument = "First";
first.Text = "First";
first.ToolTip = "First Page";
if (place != null) place.Controls.Add(first);
var lbl = new Label();
lbl.Text = " ";
if (place != null) place.Controls.Add(lbl);
var prev = new LinkButton();
prev.CommandName = "Page";
prev.CommandArgument = "Prev";
prev.Text = "Prev";
prev.ToolTip = "Previous Page";
if (place != null) place.Controls.Add(prev);
var lbl2 = new Label();
lbl2.Text = " ";
if (place != null) place.Controls.Add(lbl2);
for (int i = 1; i <= gv.PageCount; i++)
{
var btn = new LinkButton();
btn.CommandName = "Page";
btn.CommandArgument = i.ToString();
if (i == gv.PageIndex + 1)
{
btn.BackColor = Color.Gray;
}
btn.Text = i.ToString();
btn.ToolTip = "Page " + i.ToString();
if (place != null) place.Controls.Add(btn);
var lbl3 = new Label();
lbl3.Text = " ";
if (place != null) place.Controls.Add(lbl3);
}
var next = new LinkButton();
next.CommandName = "Page";
next.CommandArgument = "Next";
next.Text = "Next";
next.ToolTip = "Next Page";
if (place != null) place.Controls.Add(next);
var lbl4 = new Label();
lbl4.Text = " ";
if (place != null) place.Controls.Add(lbl4);
var last = new LinkButton();
last.CommandName = "Page";
last.CommandArgument = "Last";
last.Text = "Last";
last.ToolTip = "Last Page";
if (place != null) place.Controls.Add(last);
var lbl5 = new Label();
lbl5.Text = " ";
if (place != null) place.Controls.Add(lbl5);
}

The paging works if I don't use custom paging, but I really need to use the custom paging. I can't figure out why the PageIndexChanging event isn't fired when I'm using the custom paging.

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Forms Data Controls :: Gridview Paging Inside UpdatePanel?

Apr 9, 2010

I have a gridview which is inside the update panel. Also I have setup a multipe filters which works fine. After the search I get the correct returns and page numbers but as soon I switch the pages, it loses its state and lists all the page numbers.

[Code]....

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AJAX :: Gridview Within Updatepanel Not Triggering Gridview Outside Of Updatepanel

Jan 14, 2011

I have a page that has a updatepanel around a gridview control that is within my modalpopup. So you land on the page, there is a link that when clicked will open the model popup. Initially the gridview merely displayed saved records you personally choseto save, well when you selected one, the popup would close and the data from that row would be passed to the gridview within the page to display details.. no issue when it was setup that way.. well eventually it was decided to add a delete option within themodal popup gridview so now when viewing the records you can delete it if not needed. works well.. but now with the updatepanel surrounding the gridview when i click on my "select" link it doesnt execute my

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.net - Gridview AJAX Paging, Sorting With Images?

Feb 1, 2011

Can someone point me to a tutorial that shows how sorting is done with small images showing the sort direction. I'm using linq-to -sql so I'd like something that shows how dynamic linq works.

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Data Controls :: GridView Print Not Working When GridView Is Placed Inside AJAX UpdatePanel

Dec 15, 2012

Question for Print functionality in ASP.Net GridView control artical. I tried you code in my project, when click print current page, nothing happens.

So I download your code into my test web project "WebSite1", greate, it works.

Then in your CS.aspx page,

I added (which is the case of my project of using AJAX).

<asp:ScriptManager ID="ScriptManager1" runat="server">        </asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">        <ContentTemplate>
<div>        <asp:GridView ID="GridView1" runat="server"
.......................... gridview stuff gose here .........................
</div> etc etc to close all the tags.

Now run, click print button nothing happens, no any error.

Can you see why put updatePanle for AJAX causing problem ?

I also have to pur EnableEventValidation="false" at top of the page to avoid

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Forms Data Controls :: GridView Paging - Paging Links Not Use JavaScript?

Nov 18, 2010

Is there a way to use the GridView paging and having the links not use JavaScript. So that when you click on the page number 5 (for example) that link is a hyperlink.

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AJAX :: Paging Of GridView In Modal Popup Extender?

Jun 25, 2010

In my application, I have one Gridview on click button of one of the column I show Modal popup Extender. I Popup window I display another GridView with paging. And also I want to do all operation such as Update, Delete and Add. As all these are Link buttons none of the event associated with them are firing.

Basically Paging is not working as it is in the Popup Extender.

Is there any way to execute server side events on Modal Popup Extender

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C# - Paging / Sorting Is Not Working Inside UpdatePanel?

Aug 4, 2010

i am using LinqDataSource and a gridview control and my paging/sorting works fine but when i add <asp:UpdatePanel than its not working, below is my .aspx page and i am not sure what i am missing...

<%@ Page Language="C#" MasterPageFile="~/MasterPage/MAIN.Master" AutoEventWireup="true" CodeBehind="ContPage.aspx.cs" Inherits="ContPage" %>
<asp:Content ID="Content1" ContentPlaceHolderID="cphMaster" runat="server">

[Code]....

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AJAX :: GridView In UpdatePanel Not Refreshing?

Feb 11, 2010

Here is the setup:

VS 2008Update PanelIn the update panel, is a gridview, and an asp:panel that contains some other controls, including the button I want to trigger the update of the gridviewThe gridview is tied to a sqldatasource, although I have tried multiple methods to get the data and all failed

Here is the problem:

User logs in and fills out the top part of the form. That submits some data to a table, returns the ID of the row submitted and makes an asp:panel visible (panel.visible=true). This update panel exists inside of the UpdatePanel. The user clicks a drop down list and selects a name. When this happens, another panel becomes visible, using the same process, to allow the user to enter data about the name they selected. So far, everything works.

What Should Happen next:

User clicks "Add" buttonDatabase is updated with the data enteredDatasource refreshesGridview refreshes - It is not visible at load because there are no records for it to show.

What Actually Happens:

User clicks "Add" button Database is updated with the data entered - This has been verified Datasource should update, but not sure it is Gridview does not show.

Here is the code snippet for the Update Panel:

[Code]....

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AJAX :: How To Select Gridview Using UpdatePanel

Jul 28, 2010

I have a an UpdatePanel that binds data to a Gridview. Within the gridview I have a select button that will pass the selected id to another Gridview that uses an UpdatePanel. The issue I have is when I select a row in the first gridview one of 2 things occur.

1.) The selection does happen until the Timer refreshes. For instance if I select row 1 in Gridview1, I don't see the 2nd Gridview until the Timer refreshes after 30 seconds.

2.) The selection will happen right away IF I click on the Select button twice. (Don't want this...)

Is there something I'm missing that is causing the first click to the gridview to not select that row immediately? What really gets me is if I put a breakpoint on the Gridview1 SelecteIndexChanged, it fires right away and if I walk through the code it selects it right away.

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AJAX :: UpdatePanel AsyncPostBackTrigger And Gridview Not Updating?

Mar 8, 2011

I have a very simple application that works almost all the time. I am using an UpdatePanel. My script manager is configured to enable partial rendering. My UpdatePanel is configured for conditional update mode. My asynchronous trigger is a timer that runs every 3 seconds. I track unhandled exceptions in the database. I am not getting any unhandled exceptions. Nor am I getting managed exceptions. Now, I had two users side by side running the application today. I had one record in the data queue. The first user did not get updates; her grid did not update. The second user did get updates. The only difference was that the first user was logged in for a long period of time. The second user logged in just before the test. I reviewed the IIS log file and both users were polling the page every 3 seconds for the same data. So why didn't the first user's grid update? The code follows.

<asp:ScriptManager ID="ScriptManager1" runat="server" AsyncPostBackTimeout="30" EnablePartialRendering="true"></asp:ScriptManager>

[Code]....

In my code behind I have the following timer logic. [Code]....

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AJAX :: FindControl DropDownList In GridView Into UpdatePanel?

Mar 4, 2011

i have a gridview in updatepanel in this case:

[Code]....

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AJAX :: GridView In UpdatePanel With Full Postback

May 13, 2010

I have got the following gridview with a UpdatePanel and approve and save button in each row. How do I create a full postback if approve button is click and asyncPostback if save button is click.

<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers>
<asp:PostBackTrigger ControlID="btnApprove" />
</Triggers>
<ContentTemplate>
<asp:GridView ID="gvApproval" runat="server" CssClass="gridview" BorderColor="#E5E5E5"
Width="98%" AutoGenerateColumns="False" DataKeyNames="NewProcessId" OnRowCommand="gvApproval_RowCommand"
OnRowDataBound="gvApproval_RowDataBound" OnRowEditing="gvApproval_RowEditing">
<Columns>
<asp:TemplateField Visible="False">
<ItemTemplate>
<asp:Label ID="lblApprovalId" runat="server" Text='<%# Bind("ApprovalId") %>' Width="1px"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Comment">
<ItemStyle Width="80%" Wrap="True" />
<ItemTemplate>
<asp:Label ID="lblComment" runat="server" Text='<%# Eval("Comment").ToString().Replace("
", "<br />") %>'></asp:Label>
<asp:TextBox ID="txtApprovalComment" runat="server" CssClass="textMessageBox" TextMode="MultiLine"
Width="98%" Visible="false"></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvApprovalComment" runat="server" ControlToValidate="txtApprovalComment"
Display="Dynamic" CssClass="textErrorMessageNormal" ErrorMessage="Comment is required before approval"
ValidationGroup="Approve"></asp:RequiredFieldValidator><br />
<asp:ImageButton ID="btnApprove" runat="server" CssClass="spbutton" Visible="false"
ImageUrl="~/Images/ButtonApprove.gif" ValidationGroup="Approve" CommandName="Approve">
</asp:ImageButton>
<asp:ImageButton ID="btnSave" runat="server" CssClass="spbutton" Visible="false"
ImageUrl="~/Images/ButtonSave.gif" ValidationGroup="Save" CommandName="Save">
</asp:ImageButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerStyle CssClass="pager" />
<HeaderStyle CssClass="gridtableHeading" Wrap="False" />
<AlternatingRowStyle CssClass="alternateRow" />
</asp:GridView>
</ContentTemplate>
</asp:UpdatePanel>

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AJAX :: Gridview Page Value Inside UpdatePanel?

Feb 2, 2011

[Code]....

Gridview Page value inside UpdatePanel

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AJAX :: Gridview In Updatepanel + Back Button?

Sep 13, 2010

I have a updatepanel with a gridview inside, when I navigate to another page and then click back, the gridview is empty.I have tried to google for a solution but havent found any...

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AJAX :: Export Gridview To Excel In UpdatePanel?

Nov 10, 2010

I am using AJAX 1.0. I want to export gridview to excel and it should display loading image when user start exporting excel. I usedUpdatePanelbut is gives some JS error message.

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AJAX :: GridView And DetailsView Inside An UpdatePanel?

Apr 28, 2010

I have a GridView and DetailsView in a Master/Detail relationship inside an Update Panel.The GridView displays a set of records, and when a Select button in the GridView is clicked, the detailsview displays the record for edit.Initially the focus is on the GridView, and when the Select button is clicked, I want the focus to be on the first TextBox inside the DetailsView. This happens only when I remove the UpdatePanel from the form. If the Gridview/Detailsview pair is inside an updatepanel, the focus never goes to the DetailsView.How can I make the focus on the DetailsView inside an UpdatePanel

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AJAX :: Save State Of Dropdown And Gridview In Updatepanel?

Feb 21, 2011

I would like to find a solution to my problem. In these senario I've got two pages.

First page:

5 dropdowns in updatepanel and a gridview in updatepanel

Second page:

Displays info of the selected row

Problem:

So if a user makes a selections on all dropdownselection and selectes to view a row, wich in this case goes to page2 for more info.

But when the user returns to page1 all the selections and gridview has the "default" values so to speak, and not what the user has selected.

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AJAX :: Gridview.Sort Doesn't Work In UpdatePanel

Dec 5, 2010

I have a GridView in an UpdatePanel and in the code behind I bind to a Datatable and call the GridView's Sort method:

gvUsers.DataSource = dt;
gvUsers.DataBind();
gvUsers.Sort("DateOfBirth", SortDirection.Descending);

However, this doesn't sort the records. I have the Sort event as an asynch trigger for the grid.

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AJAX :: Using Textbox Onchange To Trigger Updatepanel / Gridview?

May 25, 2010

How can I get a gridview (that is inside an update panel) to update/filter whenever something it typed into a related textbox outside that panel..( possibly in another update panel)?

As in Google. When you start typing, it starts autocompleting for you by looking up words in the background using the text you've typed.

I want, in effect, for a user to start typing in a textbox (say "Order #" textbox) and each time a character is typed, to trigger an update to a gridview that has a 'search param' in it's SQL Datasource SP that plugs the textbox's text into the where clause of the select inside the SP...

make sense? I have the SP and all other related code, I would just need to know how to create a JS function (preferably via server-side using something like:

txtOrderID.Attributes.Add("ontextchanged",....

Rather than hardcoding client-side JS....

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FileUpload Control Inside Gridview (ajax Updatepanel)

Mar 11, 2011

I've got a fileupload control inside of a gridview so that each row (item from the database) can have an attachment associated with it. I've got a button next to the fileupload control (besides the default browse... button to select the file) to actually take the file and upload it to a file server. This works great if I use this button "Upload". However, underneath my gridview I have another imagebutton that is outside of the gridview, its just sitting on the form / page. The idea of this "Update" button is when end users make changes to the grid I can simply loop through the grid and update the values they have entered to the database. This also works great.

Now here is my issue assume a user has 3 rows in the grid view. On 2 of these rows he decides to add an attachment but he never clicks the "Upload" button he only uses the standard browse button to select the file. Now instead of clicking the "Upload" button that is on the grid view he ends up clicking the "Update" button outside of the grid thinking that it will save his attachments. So I decided to write code to grab the fileupload control from the grid using .FindControls("NameOfFileUploadControl") in my Update button loop where I loop through all the rows. Then I check if myFileUploadControl.HasFile property to see if there exists a file and if there does upload the file then continue with the code.

The issue is when I click this "Update" button .HasFile always returns false even though I can see the text string of the path in the fileuploadcontrol textbox (the standard one next to the browse button). Is it because this goes back to the page load event and checks if it is a post back? What causes this and how can I fix it? Im adding some code because im still confused with this

Protected Sub SaveGrid()
For Each Row As GridViewRow In Me.gvLineItems.Rows
Dim f As FileUpload = CType(Row.FindControl("fuAttachment"), FileUpload)
'todo: this part is not working
If f.FileName.Length > 0 Then 'returns 0 always
'this returns 0.
end if
if f.HasFile() then
'this also returns false
end if
Next
End Sub

This method gets called on a click of a button. The fileupload control is in an of a gridview that is wrapped inside of an UpdatePanel:

<asp:FileUpload Width="90px" Font-Size="xx-small" ID="fuAttachment" runat="server" />

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AJAX :: Gridview SelectedIndexChanged Causes Full Postback Although It's In An Updatepanel?

Feb 3, 2010

I have an gridview inside of a multiview inside of an updatepanel. I create all this dynamically with code (AutoGenerateSelectButton=true).If the SelectedIndexChanged event is fired, there is a full postback. How can I avoid this?

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