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">Â Â Â Â Â Â Â </asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">Â Â Â Â Â Â Â <ContentTemplate>
<div>Â Â Â Â Â Â Â <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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Nov 25, 2013
I have below code that i am using to export the Gridview data to excel sheet:
<%@ Page Language="C#" MasterPageFile="~/admin/MasterPage.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="admin_Default" Title="Untitled Page" EnableEventValidation="false"%>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc2" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
[Code] ....
But it is not working....Â
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Feb 8, 2011
This is Vijay Reddy Chennadi. I have a problem with validation summary, which is not working properly inside a gridview (which is in an updatepanel).
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Aug 16, 2010
I have an UpdatePanel with a GridView. This GridView has a template column that is a DropDownList. The problem is that the SelectedIndexChanged event does not fire for the DropDownList. Here is the code:
[Code]....
The codebehind:
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Jul 21, 2010
I hope this is a really easy question but I'm struggling with it. I have a GridView that has an UpdatePanel within a TemplateField.
The idea is that the user can make simple alterations without a full page load being required.
I have simulated my page functionality in the following example, which simulates a database hit, gridview databinding and updatepanel functionality.
When you press any of the + or - buttons in the GridView, the form controls in the bottom UpdatePanel also post their contents back. I have seen this by using Firebug. On my real page however this is causing excessive bandwidth and is nearly the same as a full postback.
how I can force ONLY the appropriate UpdatePanel's contents to postback for processing, rather than all the UpdatePanels?? I've tried experimenting with Triggers but just can't get it working properly.
[Code]....
[Code]....
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Nov 24, 2013
I want to implement this concept using master page, but its not working.
[URL] ....
When i click on the button 'Print Current Page', no action is taking place, even that print window is also not opening.
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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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May 7, 2015
If the gridview and print button are inside the update panel,then the print fuction is not calling.
 If i place the print button outside the update panel then it is working fine.
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Feb 2, 2011
[Code]....
Gridview Page value inside UpdatePanel
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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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Feb 27, 2013
In my gridview in header section i have checkbox when ckeck all checkbox get checked/Unchecked bt when i added update panel to gridview postbback gone bt ckeckall not functioning properly the script i use is..
<script type="text/javascript">
$(document).ready(function() {
$('[id$=chkHeader]').click(function() {
$("[id$='chkChild']").attr('checked', this.checked);
});
});
</script>
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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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Apr 17, 2014
I have implemented Sorting technique on Gridview but whole page is reload I have put in update panal but it's not working
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Feb 25, 2016
I followed your topic to select all rows with checkbox in gridview header and it is verygoodThis is code :
<script type="text/javascript"> function CheckAll(objRef) {
var grid = document.getElementById("<%=Grd_Data.ClientID%>");
var headerCheckBox = document.getElementById("ChkAll");
var inputs = grid.getElementsByTagName("input"); for (var i = 0; i < inputs.length; i++) {
if (inputs[i].type == "checkbox") { if (objRef.checked) { inputs[i].checked = true;
} else { inputs[i].checked = false; } } } }</script>
But i noticed that when i deselect a row in gridview the checkbox in header is still checked.How can i fix this problem that when i deselect one row from gridview the checkbox in grid header change to be unchecked ?
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Apr 25, 2014
I have Gridview in UpdatePanal but their is problem with template fieldÂ
<asp:TemplateField HeaderText="EDIT">
<ItemTemplate>
<asp:LinkButton ID="lnkEdit" runat="server" ToolTip="Edit Unit" OnClick="lnkEdit_Click"
CausesValidation="False"><img src="IMG/screw-driver.png" alt="" /></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
and link button click event isÂ
protected void lnkEdit_Click(object sender, EventArgs e)
{
GridViewRow clickedRow = ((LinkButton)sender).NamingContainer as GridViewRow;
ScriptManager sm = (ScriptManager)Page.Master.FindControl("smanager");
sm.RegisterPostBackControl(clickedRow);
lblUnitID.Text = clickedRow.Cells[0].Text;
txtUnitName.Text = clickedRow.Cells[1].Text;
txtDecimal.Text = clickedRow.Cells[2].Text;
btnUnit.Text = "Update";
}
but text box value is not set but when we do it in  PostBackTrigger is work.
can we do this AsyncPostBackTrigger.
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Jan 27, 2010
I am using UpdatePanel, and I include a gridview inside the updatepanel, I want the grid to be refreshed when button1 or button2 of gridview being pressed. But now when I click the button, the gridview disappeared and look likes the whole aspx is refreshed. I just want to refresh the gridview inside updatepanel. But now the gridview is disappeared. The following is
my source code:
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Panel ID="Panel4" GroupingText="Enroll student" runat="server" > [code]....
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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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Dec 27, 2012
I have a form with multiple update panels in one form. here i have a gridview with update panel where jqery scrolable with fixed header is not working. i saw your post where IsInUpdatepanel: true
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Oct 4, 2012
how to print pdf the gridview with data inside panel with c#.
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Jun 7, 2013
I tryed to put a nested Gridviews (parent-child) in an UpdatePanel, but it didn 't work as I want. Firstly the code of the Gridview (its from the example reffering to this [URL] .....)
<form id="form1" runat="server">
<asp:ScriptManager ID="scriptMgr" runat="server" EnablePartialRendering="true" />
<asp:UpdatePanel ID="updatePnl" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="False" CssClass="Grid"
DataKeyNames="CustomerID" onrowcommand="RowCommand1">
[CODE]...
 in the scriptManager, no exception will be shown, but on RowCommand a complete Postback is done.
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May 7, 2015
I have a ImageButton inside a gridview. The gridview is inside update panel. i want to redirect to another page with the Clicking of the ImageButton. But it is not working inside update panel. what should i do?
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May 7, 2015
[URL] .... This is my older post on this question .
Now my datalist is under update panel hence on changing dropdownlist my textbox for city won't cascade. How can I update the context key on dropdownlist selection change ?
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Jul 28, 2010
i have two nested gridview inside an update panel. there is a button called btnPhoneEdit inside the child grid view. when the button gets clicked, it do cause partial post back as expected but it fails to invoke btnPhoneEdit_Click.
here is how my grid view looks like and how i add my custom data source to both parent and child grid view.
[Code]....
[Code]....
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Mar 10, 2010
i have the following code in the .aspx page
[Code]....
[Code]....
i modify the data in the text box but it is not retrived in the code behind. In code behind it always give the data which is defaultly loaded.
i can not able to get the modified data in the code behind.
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Mar 1, 2014
This is my for loop code, it is working fine , just the problem is, if there are 10 rows , it runs for 9 rows and not for 10th time? What correction is needed?
protected void gvouter_RowDataBound1(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
int count_rows_for_saving_answers = gvouter.Rows.Count;
for (int ii = 0; ii <= count_rows_for_saving_answers - 1; ii++)
{
Label lblsubid = (Label)gvouter.Rows[ii].FindControl("lblsubid");
[Code].....
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