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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Apr 1, 2011
We have a fairly complex content management system where we start with a blank page with just an updatepanel, then in the init function add all the controls, this all works fine.The problem I'm having is that when the loginform control logs in, we get data back from the server that looks like:
|#||4|64|pageRedirect||%2findex.aspx%3feventid%3d1079%26AspxAutoDetectCookieSupport%3d1|1|#||4|15647|updatePanel|ctl00_ContentPlaceHolder1_contentup|
<span id="ctl00_ContentPlaceHolder1_DEBUG"></span><div id="ctl00_ContentPlaceHolder1_content">
<div class="contentWrapper">
<div class="form">
<div id="errors">
<div id="ctl00_ContentPlaceHolder1_ctl03" style="display:none;">
</div></div>
[code]...
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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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Sep 13, 2010
My page contains a Repeater that is loaded with data asynchronously as the data becomes available, using an UpdatePanel to manage the asynchronous requests.The page contains something a little like this:
<asp:UpdatePanel ID="DataUpdatePanel" runat="server">
<ContentTemplate>
<table>
<asp:Repeater ID="RepeaterBlock" runat="server">
<HeaderTemplate><thead><tr><th>Name</th><th>Status</th><th class="empty"></th></tr></thead></HeaderTemplate>
<ItemTemplate><tr>
[code]...
The problem being that the LinkButton does not appear to trigger a postback of any kind- there is no visible response to clicking on it and putting a break point on the event listener in the codebehind, it is never triggered.
hat the linkbuttons ceased working.
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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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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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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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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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Mar 4, 2011
i have a gridview in updatepanel in this case:
[Code]....
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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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Feb 2, 2011
[Code]....
Gridview Page value inside UpdatePanel
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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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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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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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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 1, 2010
I would like an UpdatPanel to update it's content once a button is clicked - this button is contained within a UserControl placed on the webpage.However, I cannot just simply reference it using the AsyncPostBackTrigger's ControlID property, because the button is not situated directly on the webpage.
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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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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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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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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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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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Oct 11, 2010
This GridView contains a TemplateField with a LinkButton that displays a text value. When the link button is clicked, the code behind needs to capture the text value of the button, and then refresh the GridView with an asynchronous postback within the UpdatePanel and display the updated output.
The post-back event is occurring, and I'm able to capture the event in Visual Studio 2010 debugger. But, the screen contents do not change after this event occurs. No exception gets thrown, at least from what I can see in debugger.
Portions of the sanitized code appear below. The GridView actually appears on a page that contains 2 dropdown lists and 2 other GridViews. There is just one UpdatePanel on this page.
[Code]....
This is in the Code-Behind.
[Code]....
I can put a break point in the above method, and it is captured when the lnkHostName button is clicked. Stepping through the lnkHostName_Click() method, the ReloadPage() method successfully runs, then executes this method:
[Code]....
This runs successfully, and the DataSet which gets returned contains 1 row of data rather than several rows. This is what I expect to happen. Once the filter is selected in my test case just 1 row should get returned. The problem is that I don't see that output refreshed on the screen. The grdProcesses gridview continues to display the original dataset of several rows, rather than just one row of data. To additionally test this, I tried setting the visibility of grdProcesses to false within this method when the HostName had a value. Again, this ran without an error, but the GridView was still visible. And I also tested by updating the contents of a label with the HostName value. The new value was never displayed in the label. I also tried putting the lnkHostName button into the triggers, ala:
[Code]....
But the following exception gets thrown when that button is added, "A control with ID 'lnkHostName' could not be found for the trigger in UpdatePanel 'upMain'."
What's frustrating is that everything appears to run smoothly in debugger. But in reality the expected output never gets refreshed on the screen. Perhaps I need to use an alternate trigger in the AsyncPostBackTrigger. I'm open to using a command button or some other artifact.
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Jan 13, 2011
I have setup a gridview within an update panel, which resides in a tabcontainer. After I edit any of the rows within the gridview and hit "update" the page reloads and I am no longer able to edit any of the text boxes in the other tabs, and if I attempt to insert or edit a row within the same gridview I'm not able to edit those either. That said, when I hit the tab key a couple of times the cursor appears and I'm able to proceed with editing. Based on the number of times I hit the tab button, it appears that the cursor was inside the textbox I clicked, though it wasn't visible and I simply wasn't able to enter any text.
I've been trying to setFocus on a specific field after any of the grid updates, also tried setting the cursor using ScriptManager.GetCurrent(Me).SetFocus(Me.Control) with no luck.
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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....
View 1 Replies
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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