Forms Data Controls :: Accessing Master Page Controls From Content Page Formview?
Sep 22, 2010
I have a master page with a textbox that I want to use for a search, and display the results on the content page.
I've dragged in the datasource to the content page, and configured the formview to use that datasource... almost.
The issue I'm having is that on the last step of the configure datasource wizard where you select the parameters, I want to select the master page textbox control for the search parameter... but of course it's not available in the list. The list only allows me to choose controls from the content page.
How do I set this master page search box as the parameter for my datasource?
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Jan 26, 2011
i have a masterpage and has some linkbuttons in it, i also have a webform which is a content page for the masterpage. i like to access the controls to the webform via the linkbutton residing in the masterpage or access the linkbuttons via the webform controls.
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Jan 8, 2011
I am using Master page and Content page combination.But how can i access <body> tag and it's event (onload, onunload) of Master page in .aspx page that is not a content page.
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Sep 10, 2010
Here is my situation: I have a user control that has a menu in it. This user control sits on my master page. It is my main navigation menu for my application. I am having an issue where, on one of my pages, users seem to be leaving the page before committing all changes to the database, which results in a loss of data. So what I want to accomplish is - if the user is leaving this page and the data has not been saved yet, I want to prompt the user and say something like "The information is not yet saved, are you sure you want to leave this page" in a modal popup. So my approach is this: In my menu user control, create an event handler called MenuClicked that is raised when the menu web control's (in the user control) MenuItemClicked is raised, I raise my custom MenuClicked event. Then on my master page, I can catch this event in NavMenu_MenuClicked. My problem is - I need to catch this event in my content page, not the master? Am I approaching this correctly?
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Feb 16, 2010
I am having asp:hyperlinks in my master page, which i use as my page headers. I would just like to change the text format of the hyperlink when a content page is loaded.
the CS code for accessing the master page contents from content page?
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Nov 9, 2010
I have user control in the master page. user control code behind page having public property called SetValue.
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Sep 10, 2010
I would like to ask if it is possible to access data on a master FormView from a nested detail FormView.
I have a main form (master) with several tabs (detail) and would like to display a label with text from main form that is hidden by the tab at the moment of editting. My asp page looks like this.
[Code]....
Is it possible to get the value of the label CompanyTextLabel from CompanyTextBox using just ASP.NET expressions or something similar without writing c# code in .cs file?
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Oct 22, 2010
how to get check box value from grid view content page/ master page
i am using following code to get the value of check box from grid view content page / master page but it not works properly
[code]....
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May 7, 2015
In master page I am using asp content place holder. And in my child page I am using pure html coding. When I attach master page in my child page I am getting this error.Content controls have to be top-level controls in a content page or a nested master page that references a master page.
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Jun 25, 2010
which page need to be checked. Master or Content. I dont think there is anything wrong in the content page.
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Dec 8, 2010
I've done this a bazillion times but today my mind is simply blank and because it is so easy I've no notes on it.
If I set Title="foo" in the <%@ Page directive of my content page, how do I reference it in the code behind of my master page? I need to use it in a Select Case.
I swear, if my head wasn't permanently attached, I'd have lost it somewhere today.
PS. This question is only silly because I'm asking and I should know the answer.
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Mar 10, 2016
Can I ask what this error refers to, (I have had it twice now over the last couple of days and then it goes away):
System.Web.HttpException: Content controls are allowed only in content page that references a master page.
This is followed by Stack Trace:
[HttpException (0x80004005): Content controls are allowed only in content page that references a master page.]
System.Web.UI.MasterPage.CreateMaster(TemplateControl owner, HttpContext context, VirtualPath masterPageFile, IDictionary contentTemplateCollection) +9744256
System.Web.UI.Page.get_Master() +55
System.Web.UI.Page.ApplyMasterPage() +14
System.Web.UI.Page.PerformPreInit() +51
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1104
I am not using any Content Place Holder or Master Page (does the error refer to the Site.Master file because while I can see it in. Solution Explorer, I never use it. All of my aspx files look like this along the top with no reference to Site.Master:
Code:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="register1.aspx.vb" Inherits="register1" %>
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Feb 12, 2011
it is very easy to access master page control from content page like
[code]....
but how could i access controls of content page from master page. suppose a textbox there in content page and one button is there in master page. i want that when i will click on master page button then i want to show the text of textbox in the content page in the label of master page. how to achieve it.
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Sep 3, 2010
I 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]....
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Jul 1, 2013
I have a ASP.NET content page where the master page is set dynamically. Both master pages contain a print button and an associated event handler for the click event of the button. Unfortunately I receive a run-time error when I attempt to dynamically access the event from the master page that was not initially assigned. Below are code snippets:
Page_Load():
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim strPageTitle As String = "Evaluator Data Form - Instructions"
If Page.MasterPageFile.Contains("masEvaluators.master") Then
Dim mp As Evaluators_masEvaluators = CType(Me.Master, Evaluators_masEvaluators)
[code]....
which produces the following error when I load the page and reference the "masStaff.master" master page:
System.InvalidCastException: Unable to cast object of type 'ASP.staff_masstaff_master' to type 'Evaluators_masEvaluators'. at Evaluators_EDF_Instructions.Page_Load....
I can solve the problem by adding a print button to the content page, but that defeats the purpose of using a master page.
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Jun 25, 2010
I am trying to use Matt Dotson FrozenGrid View [http://blogs.msdn.com/b/mattdotson/archive/2006/03/02/542613.aspx] in Master/Content page but the header of the gridview doesn't get fixed. I tried putting gridview inside the panel and but no luck.
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Jan 19, 2011
I don't know how to keep in sync the filtered elements of a DataGrid after the user applies a filter. The problem is when she/he tries to edit one filtered elements.... it is not the correct item!
[Code]....
How to update the index for the elements returned by the filter process?
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Oct 6, 2010
My project has the following repeater menu shown on the Master Page. I need this menu to remain hidden until the user logs in. How do I access from content page?
[Code]....
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Jan 25, 2014
On MasterPage i have function below, how call this function on test.ascx form on button click.
public void HideBtnLogin() { string session = Session["userCode"] as string; if (String.IsNullOrEmpty(session)) {
lbtnSignInTop.Visible = true; lbtnSignUp.Visible = true;
}
else { lbtnSignInTop.Visible = false; lbtnSignUp.Visible = false; } }
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Jun 24, 2010
The following code works fine for disabling content page controls, but how do I disable master page controls?
public void DisableControls(Control control,bool isEnable)
{
if (control.HasControls())
{
foreach (Control c in control.Controls)
{
DisableControls(c, isEnable);
}
}
else
{
if (control is IPostBackDataHandler && !(control is IPostBackEventHandler))
{
if (control is WebControl)
{
((WebControl)control).Enabled = isEnable;
}
else if (control is HtmlControl)
{
((HtmlControl)control).Disabled = !isEnable;
}
}
}
}
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Apr 25, 2014
I have a ShoppingCart UserControl on MasterPage. I have a following functionality: User adds item to the cart. after clicking the button "Complete Sale" in UserControl the page is redirected to "CustomerInfo.aspx" and after filling the Customer information and clicking on submit which is on CustomerInfo.aspx page i want to call the "Complete Sale" click event of UserControl from "Customerinfo.aspx" page.
Customerinfo.aspx.cs
protectedvoid btnSubmit_Click(object sender, EventArgs e)
{
try
{
bool val = false; int retVal = 0;
CustomerBiz objCust = newCustomerBiz();
objCust.FirstName = txtFirstName.Text.Trim();
[code].....
Here the Button text changes in UserControl. But i am not able to call the Click event of this button from CustomerInfo.aspx (ContentPage)?
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Jan 24, 2014
On masterPage i have button btnTest, how hide button from masterPage on userControl.ascx
example:
btnSecondPage_click
{
btnTest.visible = false;
}
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Sep 13, 2010
I'm trying to make my masterpage work with my content page, allowing the content page to access the master page controls. I get the error:
Parser Error Message: The 'mastertype' directive must have exactly one attribute: TypeName or VirtualPath
This is on the lines:<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="viewProduct.aspx.cs" Inherits="AlphaPackSite.viewProduct"
MasterPageFile="MasterPages/Main.master"
title="Hi there!" [code]...
I'm a bit confused with namespaces and such so may have got them wrong, but all pages are in the same namespace now I beleive.
Update,When I turn it to:
<%@ MasterType VirtualPath="MasterPages/Main.master" %>
I keep getting the error: Compiler Error Message: CS0030: Cannot convert type 'AlphaPackSite.Main' to 'ASP.masterpages_main_master'
Source Error:
Line 147: public new ASP.masterpages_main_master Master {
Line 148: get {
Line 149: return ((ASP.masterpages_main_master)(base.Master));
Line 150: }
Line 151: }
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Feb 12, 2011
it is very easy to access master page control from content page like
[code]....
but how could i access controls of content page from master page. suppose a textbox there in content page and one button is there in master page. i want that when i will click on master page button then i want to show the text of textbox in the content page in the label of master page. how to achieve it.
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Mar 12, 2010
I have got two pages - a master pages (Master1) and an .aspx page (default), with the content page attached to the master page.
However, I have run into a problem
I have some data controls like drop down boxes and textboxes in the master page, with a gridview of data in the content page. What I want to achieve is a situation where when a user searches for an item using the texbox in the master page, the gridview in the content page displays the results of that search parameter made.
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