Web Forms :: Change The Attributes Of A Control In A Masterpage From A Content Page?
Apr 8, 2010
Using VS 2010 RC, VB, I have a label on a masterpage that is hidden. I want to make it visible from a content page when needed, and have the text change on the label as well from the master page.
I am using the following to access the label, but the text and other properties don't change for some reason.
Dim lblErrorMessage As Label lblErrorMessage = CType(Master.FindControl("lblErrorMessage1"), Label)
lblErrorMessage.Style.Add("display", "inline")
lblErrorMessage.Text = "LoginID ALREADY EXISTS!!! Please choose a different ID"
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Apr 12, 2010
I have a textbox on a masterpage called txtNotes
I have a button on a content page called btnNotes
I am trying to access the txtNotes textbox on the MasterPage using the following code and I get and error saying "Object reference not set to an instance of an object.
[code]....
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Aug 19, 2010
On my master page , I have "Search textbox" and "Search Button".
On My content page , I have a "User Control" which has a "GridView".It shows some data about Vendors.
Also, on this User Control's Page Load, i have code written to display all vendors in GridView.
Now, when user enters Vendor Number in "Search textbox" , and hits "Search Button" , i want to handle this event inside my User Control.
How to do this ?
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Aug 23, 2010
On my master page , I have "Search textbox" and "Search Button".On My content page , I have a "User Control" which has a "GridView".It shows some data about Vendors.Also, on this User Control's Page Load, i have code written to display all vendors in GridView.Now, when user enters Vendor Number in "Search textbox" , and hits "Search Button" , i want to handle this event inside my User Control.How to do this ?
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Jun 12, 2010
I have a master page with a user control on it. How do I change the user control's properties from a content page?In my ascx file I created this 2 property:
[Code]....
In content page PageLoad event I wrote
[Code]....
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Sep 21, 2010
I have a menu in a user control with a sql database datasource. From what I have read online, the staticselectedstyle will only work if the menu control has a datasourceid defined. Here's what I have so far:
<asp:Menu ID="mnuMoESP" runat="server" Orientation="Horizontal"
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<%# Eval("Text") %>
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and code behind:
private void PopulateMenu()
{
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DataSet dsmenu = (DataSet)Session["menu"];
DataTable dtmenu;
dtmenu = dsmenu.Tables[0];
foreach (DataRow theRow in dtmenu.Rows)
{
MenuItem categoryItem = new MenuItem((string)theRow["page_menu_parent"]);
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Feb 5, 2010
I have a menu generated by my cms:
<ul>
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<div runat='server' id='menu2'>
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I would like to change the link that has been clicked, to class="active". I would like to add a class to the div if the page above is clicked too.
If (Len(Request.QueryString("pageid")) <> 0 and Request.QueryString("pageid") = 4) Then
menu & Request.QueryString("pageid") & .Attributes.Add("class", "active")
link & Request.QueryString("pageid") & .Attributes.Add("class", "activelink")
end if
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Jul 28, 2010
I have done master page and some content page..I have put three LABEL(not in inside the Content place holder) in masterpage and l have store some value..in this, the same value i want to use in content page..how to get that masterpage content value.
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Mar 5, 2011
Master page:
<form runat="server">
<Scirra:MainMenu runat="server" ID="MainMenu" TopTabSelected="home" SubTabSelected="link2" />
<asp:ContentPlaceHolder id="MainContent" runat="server">
snip
Content page:
Master.MainMenu.TopTabSelected = "forum";
I know I'm probably doing this wrong, but is this possible? I want to change a parameter of that control. It says 'inaccessible due to protection level'.
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Nov 4, 2010
I am having a slight issue with grabbing data from my masterpage into my content page (as a whole).
I have generated a public property for the my textbox and the contentpage can see this public property. But it comes across empty (even from within the masterpage). Now I guess the problem is with the property itself (possibly). It also shows as empty when I response.write it's value to the page.
Even when I call the value of the property in the masterpage it comes across as empty. The way I have this setup is that a textbox named pageTitleField has it's value updated from an iframe. All is working well and the textbox has its value updated correct upon iframe content changes. This is great. Now I just need to pass this textbox value into my content page and then set it as the document title.
see my code thus far.
My MasterPage
[Code]....
My MasterPage CodeFile
[Code]....
My ContentPage
[Code]....
My ContentPage CodeFile
[Code]....
I know the public property is being seen from the content page because if I just do a Response.Write(Master.GrabPageTitle) I see System.Web.UI.WebControls.TextBox appearing as the output of that property. So it appears hat the textbox value is not being captured in the public readonly property.
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Jan 12, 2010
I have a MasterPage in my project which it contains a FormView and the FormView is databound with a Connection String to a SQL DataBase.
This FormView is selecting users information from Database, when the ContentPage is loading, Im trying to get the information from the FormView of MasterPage and load them in Content Page, but it is not working fine for me.
For Example:
In MasterPage I have a FormView such as follow:
Name: Amir
LastName:Zandi
Username:amirzandi
In ContentPage, I have a Label and I want to get the name from MasterPage and replace it with the text of the Label.
I am doing this at PageLoad of Content Page with the Following Code:
[code]...
At the page load of ContentPage, it says that it could not find the FormView1
but after I refresh the page, it works fine.
is there anyway for me to ask the FormView in MasterPage to DataBind and After that, it retrieves the Data from FormView and place them into the ContentPage.
I also tried: fv.databind() but it is not working.
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Feb 25, 2011
How can I call a function in the masterpage from its content page I have a function in my master page to populate a tree view in the master page. After entering some database values from the contentpage I want to call the master page function to show the entered value in the treeview.
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Feb 2, 2011
I am tryign to make the master page code globally do some chaecking before the content page loads. Pageload event in Masterpage is executed after the content page for some strange reason. How do I go about this?
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Feb 16, 2011
I have a label on the master page that is updated by the contents pages. Rather then create a content placeholder that will contain only this label, I was hoping to be able to modify it directly. I have the label called lblYAO on the masterpage, and in the code behind I have
Public Sub DisplayDataFromPage(ByVal message As String)
lblYAO.Text = message
End Sub
I know I can modify the page directive on the content pages, but there is another person who will be adding pages, and this may be a bit much for him. In the content page's code behind, I would like to do something like Page.Master = "something" but I understand I have to explicitly cast it to the appropriate type first? This is as far as the examples I've seen have gotten me. I haven't seen any casting examples.
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Mar 11, 2010
Is it possible to remove an item from the master page when within a content page? so in my example i have a column on left and right which i have created in the master using divs but i want to remove them in a particular page
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Oct 27, 2010
1) I have a HyperLink on a master page:
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2) I have a content page TextBox with data equated in the C# code behind:
protected void Page_Load(object sender, EventArgs e)
tbxCategoryID.Text = CategoryCode;
... sample data "Furniture1135" for TextBox.
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[URL]
[URL]
How can I pass the TextBox value appended with the querystring tag "?CAT+" to the MasterPage HyperLink?
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Jul 3, 2010
I have a MasterPage.master and default.aspx content page From the contetn page I'd like to edit a style property of an Html tage that is in the MasterPage.
[Code]....
But error:
Object reference not set to an instance of an object.
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Dec 17, 2010
i have a page with one master page.in my master page i have a image control(the id is testimg) in codebehind and in pre_init in want to chang picture.when the user is user1 img1 and when user is user2 ,img2 i wrote this code,but it has error
[Code]....
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Feb 4, 2011
i have a question that iam using one masterpage file in multiple aspx pages, so the problem is that i can set the Page Title only in MasterPage File which is automatically inherit with my all aspx page where ever iam giving that MasterPage file reference. how can i change that multiple aspx pages titles using one MasterPage File.
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Apr 21, 2010
I am trying to reference a variable within my MasterPage but I am receiving errors.
I have tried
<%@ MasterType" %>
which gives the following error:
Compiler Error Message: CS0030:
Cannot convert type
'IPAMIntranet.IPAMIntranetMaster' to
'ASP.ipamintranetmaster_master'
and
string tVar = ((MyNamespace.MyMasterPage)Master).variable
which gives the following error:
Unable to cast object of type
'ASP.ipamintranetmaster_master' to
type
'IPAMIntranet.IPAMIntranetMaster'.
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Jan 4, 2010
I am building a website in which all of the site layout is in Master page and the content of the site is in the inherited pages. I have various links for navigation in which i simple use Response.Redirect to transfer to different pages. Now the problem is that I want to put the content place holder inside Ajax Update panel so that the postbacks are Asynchronous and I want to show the postback by an animated image inside Update Panel progress control. The problem is that I am unable to achieve this result and the entire page is posted back and rendered again. I have placed the content place holder inside the Ajax control toolkit's Update panel but it does not work. Is there any way that I can change the content of the content place holder to a new page with asynchronous postback.
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Mar 18, 2010
I have created a great stand-alone web form in asp.net utilizing many jQuery features and CSS. It works fine. When I re-create it as a web content form as part of a MasterPage, my jQuery and javascript is completely ignored.
I am referencing the pertinent jQuery and CSS in my of the MasterPage. I have a content placeholder at the bottom of the masterpage called "ScriptContent". In my content page, this is where I plug in the various jQuery methods and javascript.
When I view the page source everything is there. However, it's all being ignored so to speak. What am I doing wrong?
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Sep 24, 2010
why id of control changed automatically when we use it in masterpage , while in simple page it does not change??
this is source code after run the MasterPage
as :: <input name="ctl00$cp1$txtUName" type="text" id="ctl00_cp1_txtUName" style="width:128px;" />
this is source code after run Simple Page
AS:<input name="txtUName" type="text" id="txtUName" />
these are same controls
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Apr 27, 2010
I am trying to put google adsense on my default.aspx that has a masterpage. I am not sure I am doing it correctly. Is there a particular place I should be pasting their java script ?
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Dec 18, 2010
i got a textbox located in master page. How can i update it from child page?
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