AJAX :: Tab Control - Accessing Child Controls In A Different Tab
Jan 4, 2010I need to be able to save the data of all the pages in the tab control simultaneously. How can I access the child controls from the tab container.
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Forms Data Controls :: Accessing Formview Binded Control From Child Control
Sep 15, 2010I am using a form view control which has two binded textbox. Now at this level it works fine and the textboxes show the values from database. But when i insert a panel inside the form view and move these two textboxes inside the panel, they dont show any values. What could be the reason for this?
View 2 RepliesAccessing Tablerow Child Control By Type
Aug 11, 2010I'm iterating through a collection of asp:tablerows to be able to get or set the text in a textbox that is nested in the third cell of the row; I'm doing this by type rather than by ID because the cell ID's in that column aren't totally consistent--thus I can't really call FindControl() to achieve this. I've resorted to casting the third control in the TableRow to a TableCell and then Casting the first control in that cell to a TextBox. Not quite correct, as I'm getting an index out of range exception thrown. The problem mainly lies in the Controls.Count() property of the third cell, which comes to zero. Not sure if there's a better way to access the textbox---should I resort to FindControl()?
foreach (TableRow row in tblProviders.Rows) {
string value = ((TextBox)((TableCell)row.Controls(2)).Controls(0)).Text;
...
}
My searches here only yielded use of FindControl(), so that may be the only way...
Javascript - Accessing Child Control Of A Gridview From Java?
Feb 24, 2011The below code works, I'm just curious if there is a dynamic way to pass the generated GridLeft__ctl1_GridViewLeftSearch ID into the javascript function.
<HeaderTemplate>
<asp:TextBox ID="GridViewLeftTextBox" Width="80%" runat="server"
onKeyPress="javascript:SearchLeft(event);"></asp:TextBox>
<asp:Button ID="GridViewLeftSearch" runat="server" Width="100%"
OnClick="onSearchLeftGrid" Text="Search Patients" Font-Size="Small">
</asp:Button>
</HeaderTemplate>
Is their a way to access The GridViewLeftSearch Button inside this Javascript function without hard coding it?
function SearchLeft(e) {
var t = document.getElementById("GridLeft__ctl1_GridViewLeftSearch");
if (t != null) {
t.click();
}
}
UserControl - Accessing A Child Control In The Parent Page?
Nov 3, 2010If for example my userControl has a CheckBox called IsGreatCoder and the userControl is embedded in a main page (parent page).
I normally have gained access to the IsGreatCoder.Checked value in the main-page by exposing it through a public property that I have to manually write (say "IsAGreatCoder").
If UserControl is included in the main page as "userControl1", then I would access it as "userControl1.IsAGreatCoder".
But, I was wondering if there was anyway to declare the UserControl such that all the UI controls added to it were declared as being public, that way allowing me to gain access to the actual controls in the main page (the parent).
Essentially I would like to be able do something like userControl1.IsGreatCoder.Checked instead of having to implement a property.
The reason I want to do this is that I want to have access to many more of the check-box's properties and it would be a pain to implement each one as a public property.
Web Forms :: Accessing From Child Register.asxc Control
Feb 22, 2010i have one ascx control (register.ascx) with a sub-control (register_countrylist.ascx) and a sub-control (register_category.ascx) inside. After the register_countrylist.ascx is ready i'm trying to accsess the placeholder in register.ascx in the codebehind (register.ascx.cs) file. I have tried:
PlaceHolder phCity = (PlaceHolder)Parent.FindControl("phCity");
phCity.visible = false;
This just dont work. How can I accsess register.asxc from register_countrylist.ascx?
Forms Data Controls :: Accessing A Child "LinkButton Inside Control's HeaderTemplate"
Nov 19, 2010I am using an event calendar control (not a MS control) and I am trying to access a LinkButton inside this control's HeaderTemplate. Below is what I have tried so far. I get the familiar "Object reference not set to an instance of an object" error. Does anyone has an alternate way to get this control? I need to change the visibility property of it.
<ec:EventCalendar runat="server" ID="eventscalendar"...
<HeaderTemplate>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td style="text-align: left; width: 33%; font-weight: bold; font-size: small; color: blue">
«
<asp:LinkButton ID="PrevMonth" runat="server" Text='Previous Month' CommandName="PrevMonth" />
</td>
...
</HeaderTemplate>
LinkButton PrevMonth = (LinkButton)form1!eventscalendar.FindControl("PrevMonth") as LinkButton;
LinkButton PrevMonth = this.FindControl("form1!eventscalendar!HeaderTemplate!PrevMonth") as LinkButton;
Forms Data Controls :: Accessing Child Datagrid Controls From Parent Grid Datacommand Event?
Aug 23, 2010i want to access the child datagrid controls from parent datagrid command event.
View 4 RepliesAccessing Controls / Events On A Master Page From Child Page
Sep 3, 2010I have a problem i am trying to work out the best method with my limited skills. Im using vb.net(VS 2010) I am using a dll for an IFrame , which is call from code behind. On my site I havea masterpage which has two gridviews. ( GrdViewWebBureau is the one i am using for this query) GrdViewWebBureau is contained within an update panel and updated on a timer control trigger. GrdViewWebBureau updates the page with file counts and status from our clients. I can click on any one of the cells and the code behind is fired. What I am trying to do is put an IFrame on the master page and every time a user clicks on the grid, the Iframe is fired up.
I have tested the iframe and vb code behind from a dummy page and it works, however when the Iframe is on the master page it doeant work. What I am tryingh to achieve is that no matter what page a user is on the site, they will be able to click on the GrdViewWebBureau and the iframe will fire with the correct childpage. Each webPage may also have an Iframe as well, so i dont know if it is possible to make the IFrame global and just call that control ?? I have no idea if 1 this is possible with the code i have and 2, if i have the brains to understand the who what why and when.
[Code]....
Accessing A Dropdown From Child Window
Jul 9, 2010I have on server control(dropdown) and One button.user can select some values in dropdown and click button.I have to show a pop-up.In this pop-up I have show data based upon value selected in dropdown.How to access a dropdown in codebehind of pop-up screen.I am loading a .aspx in pop-up using javascript.
View 1 RepliesAjax UpdatePanel Child Control's Visibility
Jan 17, 2011I want to change the visibility of two asp.net image controls (runat="server") at the beginning and the end of the method call duration. I mean, I want the first image displayed and second one remains hidden until the last line of my method, which in turn, the second image becomes visible and the first one hides. I've put the area of the triggering control in updatepanel and have declared triggers of the updatepanel; But when I press the control (which is a button), the image at the end of the process is displayed correctly and on time but the one which should be displayed in the first line of the method is not displayed. I've configured my updatepanel to use conditional update mode and have used these lines for my intention:
imgLoading.Visible = true;
..
rest of the process
..
if (true)
{
imgLoading.Visible = false;
imgSuccess.Visible = true;
}
Vb.net - Accessing Masterpage Properties From Child Pages
Feb 2, 2010I have masterpage.master.vb where I have properties, such as;
[coe]....
Can anyone give me an idea how to go about this? I've tried searching but most articles talk in the context of web controls...
Web Forms :: Accessing Methods In A Parent Masterpage From Child?
Jul 26, 2010I have a main MasterPage that, as intended, forms the entire layout of my site. It has a bunch of methods common to all pages that use the mastertype, such as EnsureLoggedIn and such.
I want to move on to using nested masterpages to open up better layout options in some of the pages, but I am running into an issue. I get the layout of the nested masterpages fine, but I cannot access any methods in the parent masterpage.
I know my explanation seems a little sparse; I'm not exactly sure how to word what I'm looking for, heh. But here's a short example:
[Code]....
Masterpage - Accessing Pager Public Properties In Child Page
Sep 28, 2010I'm embarrassed to ask this here because it's clearly been duplicated several times already on StackOverflow. I've read a lot of stuff including:
[URL]
I think I've done exactly what those article say, but it's not working for me.
Here's the top of my master page, named "MasterNoNews.master":
[code]....
In the first case, VS is telling me System.Web.Ui.MasterPage does not contain a definition for urrentUser. In the second case, VS says the type or namespace 'MasterNoNews' could not be found.
AJAX :: DynamicPopulateExtender Content Disappear On Click Of Child Button Control
Dec 27, 2010form id="form1" runat="server">
<asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server" EnablePartialRendering="true">
<Services><asp:ServiceReference Path="~/adminService.asmx" />
</Services>
[code]....
WebuserControl holds a button that trigger a database operation. As soon as I click on button inside webusercontrol the whole control disappears, leaving behind a blank modalpopupcontrol. Remember there is no postback happening as modalpopup has updatepanel as its first child. Everything is inside this updatepanel.
Web Forms :: Error While Accessing Page Label Control In WebMethod During AJAX PageMethods Call
Jul 16, 2012I found this Article from link : [URL] .... that explains how to call server-side Method from javascript,
I used your code, my server-side function is static, public, and also I added
[System.Web.Services.WebMethod]Â
and
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods="true">
How To Get A Composite-control's Child Controls At Design-time
Jun 23, 2010I am designing an ASP.NET v3.5 custom control based on CompositeControl.
However, I do NOT want to create my child controls via code, but rather as
embedded HTML tag elements within the CompositeControl in the ASPX page, such as:
[code]....
At run time, MyControl.Controls contains the two labels as expected.
At design time, MyControl.Controls is empty.
I need this information at design time for various reasons.
What am I doing wrong?
C# - Error While Deleting All Child Controls From The Parent Control?
Aug 19, 2010I have the next aspx page.
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.Master" AutoEventWireup="true"
CodeBehind="newsEditor.aspx.cs" Inherits="ExpertSiteV2.newsEditor" %>[code]....
In some situation i want to delete all the contents of Panel1. I write in the code:
Panel1.Controls.Clear();
But it doesn't work and i get message: Page cannot be null. Please ensure that this operation is being performed in the context of an ASP.NET request.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: Page cannot be null. Please ensure that this operation is being performed in
the context of an ASP.NET request.
Source Error:An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace: [InvalidOperationException: Page cannot be null. Please ensure that this operation is being performed in the context of an ASP.NET request.]
System.Web.UI.ScriptManager.get_IPage()
+373832 System.Web.UI.ScriptManager.OnPagePreRenderComplete(Object
sender, EventArgs e) +54
System.Web.UI.Page.OnPreRenderComplete(EventArgs
e) +8698462
System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean
includeStagesAfterAsyncPoint) +1029
Blockquote
What's wrong? Or how should i do this properly?
Accessing Controls In A Control Array?
Apr 4, 2010[Code]....
I am not sure why this code does not work. Typing ltlPost1.Text works, but after loading the controls into an array I cannot seem to access the Text property.
Web Forms :: Accessing SiteMapDataSource On A Child Page From A Master Page?
Jan 19, 2011I am just starting out with ASP.net and C#.
I have a master page that contains the main site navigation and a child master page that contains a secondary menu. I want to set the starting node on the secondary menu based on the selection on the main menu.
I can get the code to work when the menus are on the same page, but when I separate them into their respective master pages, I get an error saying "The name 'SiteMapDataSource2' does not exist in the current context".
I have tried playing around with the FindControl() method, but either it won't work or I'm not getting the syntax right. Most of the information I find is for a child page referencing the master page, but not the other way around.
How can I access the SiteMapDataSource2 control from the master page? If possible, can you include the exact syntax as I am still trying to get the hang of this.
Here is a basic representation of my code, with all of the uncessary stuff stripped out:
Master Page
[Code]....
Master Page Codebehind
[Code]....
Child Page
[Code]....
AJAX :: Prevent Tabcontrol From Renaming Child Controls?
May 11, 2010I have a tab control with details about a user. I want to use javascript to change some visuals. It works fine if the control affected are not in the tab container, but as soon as I have the controls in the container it won't work as the tab control renames all it's child controls to something like this: <input name="TabContainer1$TabPanel1$Txt_Name" type="text" id="TabContainer1_TabPanel1_Txt_Name" />
It should be: <input name="Txt_Name" type="text" id="Txt_Name" />
Now my javascript won't work as it can't find the controls. I did try doing this: document.getElementById('<%= Txt_Make.ClientID %>') But then I this error "The Controls collection cannot be modified because the control contains code blocks (i.e.<% ... %>)."
I just need to know how to stop the Tab Container from renaiming the controls, please? I am still searching, but I'm also runnign out of time.
AJAX :: Programmatically Changing OnClick Within Child Controls?
Jul 22, 2010I am trying to find a way to be able to programmatically change an update button's onclick eventhandler when that button is placed within an updatepanel. If i do not include the original onClick eventhandler function in the code-behind, the app wont compile. If i do include the original onClick eventhandler function, it executes when the button is clicked even after assigning a new onClick evnthandler function.
View 4 RepliesForms Data Controls :: Find Control In Child DataList
Apr 7, 2010Im using Nested DataList in My Application. But i m not able to find control Inside Child DataList. (I want to Find Label Control In ItemDataBound Of ChildDataList)
View 3 RepliesC# - Child Controls Are Null When Loading User Control Programmatically?
Feb 11, 2010I'm loading a user control programatically like this:
[code].....
The problem I have is that all the controls in my user controls are null, is there something else I have to do to load the child controls?
Forms Data Controls :: Finding Child Control In Repeater
Aug 23, 2010I am trying to find a child control from a repeater control's child control. I have the following structure like a top control is a repeater, below which is a Panel and below this is a DateControl(custom control).
I want to find the DateControl.
<asp:Repeater runat="server"
ID="rptMembers"
<ItemTemplate>
<asp:Panel ID="pnlAddDependent".....