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:
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.
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..
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 ?
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] .....)
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]....
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.
I have two update panels and one javascript control.
When the javascript button is clicked, it forces a partial postback on UpdatePanel2. UpdatePanel2 is populated with dynamically created buttons that have javascript effects (jquery) but when click can also induce a postback. My problem is that, when clicking on these dynamic buttons, the whole page does not do a partial post back but rather UpdatePanel2 itself does a partial postback and everything is gone.
However, what I want to do is be able to tie each of the dynamic buttons in UpdatePanel2 (After being dynamically created) and make them an asychnonous triggers to UpdatePanel1. So that when clicking on these dynamic buttons, ONLY UpdatePanel1 is doing a partial postback refresh. UpdatePanel2 stays put and remains the same.
Public Shared Sub PrintWebControl(ByVal ctrl As Control, ByVal Script As String) 'dim StringBuilder sb = new StringBuilder() Dim sb As StringBuilder = New StringBuilder() Dim stringWrite As IO.StringWriter = New IO.StringWriter(sb) Dim htmlWrite As System.Web.UI.HtmlTextWriter = New System.Web.UI.HtmlTextWriter(stringWrite) If TypeOf ctrl Is WebControl Then Dim w As Unit = New Unit(100, UnitType.Percentage) CType(ctrl, WebControl).Width = w End If Dim pg As Page = New Page() pg.EnableEventValidation = False pg.EnableViewState = False pg.MaintainScrollPositionOnPostBack = False If Script <> String.Empty Then pg.ClientScript.RegisterStartupScript(pg.GetType(), "PrintJavaScript", Script) End If Dim frm As HtmlForm = New HtmlForm() pg.Controls.Add(frm) frm.Attributes.Add("runat", "server") frm.Controls.Add(ctrl) pg.DesignerInitialize() pg.RenderControl(htmlWrite) Dim strHTML As String = stringWrite.ToString() HttpContext.Current.Response.Clear() HttpContext.Current.Response.Write(strHTML) HttpContext.Current.Response.Write("<script>window.print();</script>") HttpContext.Current.Response.End() End Sub
I get the error at line: pg.RenderControl(htmlWrite);
I tried setting the Enable Event Validation to false on the page but that didnt work..
How to print the GridView headings in each page, in case the gridview returns about 100 records and we wish to print all of those, with page heading in each page.
using above code i am able to print gridview directly without hidden fields.after added to hiddenfields to gridview , hiddenfield values are visible for printing.after i am using gridview.colums[i].visible=false column not visible while printingproblem is after print the gridview not visible whatever my columns set visible false.Example:at printing time i am set checkbox visible false, after printing i want reload same page with checkbox but check box not visible after printing gridview
I have an UpdatePanel which has inside a detailsview, this DetailsView has a TemplateColumn with a UserControl.The UserControl has a NumericUpDownExtender and when the user clicks on an arrow or changes the value of the textbox a server event is raised (this is made by me, not default behaviour). I do this by using the add_currentChanged of the extender (in the javascript pageLoad function, and remove_currentChanged (in the javascript pageUnload function) and implementing the interface ICallbackEventHandler in the UserControl. My problem is that when the user click on the arrow, the event is raised twice and the correct value is overwritten.
Are there any restrictions on using templatefields in gridview if the gridview is inside an updatepanel?If I click on the imagebutton, I get a exception which I can't seem to figure out.
Sys.WebForms.PageRequestManagerServerErrorException: Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> [code]...
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