Web Forms :: Pass Value From Webpage To Usercontrol Programatically?
Dec 17, 2010
I have a webpage and on that page i load a usercontrol programatically
now i need to pass a value called fileName from webpage to the usercontrol
but filename is empty and when i put the flvControl.fileName = config.applicationURL & "/video/" & video.folder & "/" & video.videoFile
before flvControl = CType(LoadControl("media/flv.ascx"), mysite.flv) i get object reference error
code on my user control
[Code]....
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Apr 6, 2010
im creating site with usercontrols. I have repeater, inside it is another repeater with usercontrol. My problem is passing BindedValue to usercontrol.Bindings works fine and binds the value i need but it cannot pass the value to usercontrol. When i type it manually it works, when i bind it, it passes null (!).I've tried get,set, functions (ondatabound, onload, oninit), accessing control from code with no luck. Ive read and tried to do all the google solutions but with no luck. (even with creating usercontrol inheritance)
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Dec 10, 2010
I like to build a components collection project so that I can use those components later on other projects. For example I created a UserControl called MyDataGrid.ascx
So suppose the projects layout are something like this:
--> IPGostarProject - Under namespace of IPGostar - contains components and lot's of user controls
--> SampleProject - here I want to use MyDataGrid.ascx UserControl from IPGostar namespace.
But as you know LoadControl function only takes virtual directory as it's parameter. So you can't load anything outside the SampleProject directory!
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Jun 22, 2010
In a web page,I can use the following code:
[Code]....
But that doens't work in a web user control. Am I missing a reference, or something?
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Feb 14, 2011
I ma trying to load a usercontrol into a table. My usercontrol contains some literal controls.
I can't set the text of these literal controls to anythign, as in my code-behind of my control, whenever I try to access my controls, they come back as null.
My user control code:
[code]....
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Jun 15, 2010
i need to bind the menu dynamically,i put the menu in the UserControl and i pass to it QueryString["menuid"]or example if i put in hyperlink [URL]bind all the submenus based on the menuid=1 i got the error when i did this HierarchicalDataBoundControl only accepts data sources that implement IHierarchicalDataSource or IHierarchicalEnumerable.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: HierarchicalDataBoundControl only accepts data sources that implement IHierarchicalDataSource or IHierarchicalEnumerable.Source Error:
[Code]....
Source File: c:EcommerceFrontEnd.master.cs Line: 19 Stack Trace:
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Aug 25, 2010
I am trying to do Response.Redirect inside usercontrol but it is not working and same page is showing.
Can anyone explain how to pass it from useercontrol to .aspx.cs page and do the redirect.
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Nov 10, 2010
how to use gridview usercontrol (Ascx) and sql pass to aspx page
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Mar 30, 2010
Send me the tip for passing value from one usercontrol to another usercontrol
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Feb 19, 2010
I have a UserControl (lets say Foo.ascx) that has a Type public property with the name Bar. I am looking for a way that when i declare this usercontrol in the source view of the markup part to pass a type. for example
<%@ Register Src="~/Controls/Foo.ascx" TagPrefix="prfx" TagName="fooCtrl" %>
and then use it as
<prfx:fooCtrl ID="theId" runat="server" />
if for example i wanted to pass to the control the type of string (such as typeof(string))
something that would have this effect
<prfx:fooCtrl ID="theId" runat="server" Bar="typeof(string)" />
how can it be done? Before anyone asks, the reason is that i have many other properties in this usercontrol that i pass in this manner and i want to avoid using the CodeBehind just to pass the Type
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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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Jan 29, 2011
What are the available ways to pass a parameter to a UserControl ?I know the session option but actually I don't prefer it because it'll retain when any exception is occurred. I mean I prefer something like the QueryString (rely on the call or request).Note: My UserControl will be shown throught a modal popup using JQuery.
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Dec 8, 2010
I try to pass Package variable to my UserControl: <uc:Template ID="Template" runat="server" Package="<%=TemplateParams.SimpleSearch %>" /> but with no luck - in UC it gives me <%=TemplateParams.SimpleSearch %> string instead of SimpleSearch parameter from TemplateParams class.
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Apr 17, 2010
I wanted to pass a certain value from one webpage to another. It will be used only in the web page it will be passed to, so i am thinking that passing that as a session attribute would not be a right method..
Is there a better way than using a Query String in the URL where the user will not be able to see what is being passed.
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Jan 25, 2011
I tried both, loading the usercontrol when needed and I also tried adding it directly into the aspx.
Nothing worked. With the second one (what's meant to be the easiest option) I tried with delegates and events (but can't access de usercontrol event from page) and tried with properties (I can access properties but they're always empty)
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May 4, 2010
Senario: Masterpage with a UserControl and a child ASPX page
In the past when using this senario I've used an Interface as a way to pass a value from the UserControl (embedded in a master page) to the masterpage code behind then consume that value in the child aspx page.
My question is now that asp.net 4 have arrived is this still a good way to achieve this or is there another or perhaps better way to do it? I've read somewhere that perhaps "delegates" is perhaps another route to take.
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Jan 19, 2014
I have two files in my project. One is user control (popup) customerpicker.ascx and one is default.aspx page. In customerpicker I have dynamically generated gridview and 'select' column with SelectButton.
What I want is this: When I click on 'select' on random row in gridview, then I like to display value from selected row immediately (like ajax) to aspx.page. How it is possible?
There is part of my code in .ascx:
public string showOnaspx { get; set; }
protected void GridView1_SelectedIndexChanging(object sender, GridViewSelectEventArgs e)
{
GridViewRow row = GridView1.Rows[e.NewSelectedIndex];
showOnaspx = row.Cells[1].Text;
e.Cancel = true;
}
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
GridViewRow row = GridView1.SelectedRow;
//row[i].Attributes.Add("onclick", "$('#ContentIndex_sometextbox).val(" + row[i].Cells[1].Text// + "); $('#Close').click();");
}
I also tried with jqeury (comment in selectedindexchanged function), but it does not work well, because user have to click SELECT two times to effect.
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Nov 8, 2010
i want to pass a string value from one page to another.Also i have some text boxes and the values entered in it needs to be passed to a new page.How do i do it?
I have a string S
String S = Editor1.Content.ToString();
i want to pass value in string S onto a new page i.e Default2.aspx how can i do this in ASP.net C#
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Sep 4, 2012
I have a User Control which has a dropdownlist.
Now i want this dropdownlist value in parent page in a label control.
whenever i change dropdownlist value label value should be change.
How can i do it?
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May 31, 2010
i need to pass the roll no from one page to another and have written the code but the code is not working
in the first page
Response.Redirect("userview.aspx?RollNo=" & TextBox1.Text)
then in the target page
dim rollno1 as string
Public Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
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Oct 14, 2010
I have some vales in my web page which i want to pass into my next pasge for further work.
how to find out a good method to pass my textbox values to next opening window.
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Sep 6, 2010
I have a ASP.NET MVC 1.0 app.I have a listbox on the page and I want to pass an array to the webpage so that
javascript can use the array to do some processing depending on the item picked in the listbox.So I thought the best way is to pass JSON data to the webpage on load.So what is the best practice on how to do this?Can you please give me a brief step by step process.How do pass the array as JSON and how do I access it by index?
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Jul 17, 2010
This is page load
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{ [code]...
But in my ascx.cs when IButton1_Click is trigered My name is null
private string _sname;
protected void Page_Load(object sender, EventArgs e)
{ [code]...
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Sep 27, 2010
There are 2 UserControls UC1 and UC2, and there is one more class C. I want to share the same instance of c in both UserControls. I know that this can be possible with properties in both UC's and by registering UC2 in UC1 or vice versa. But I want the solution to be loosely coupled. Any best possible way without touching the Actual Page (which hosts UC's)? So i need some best possible way between UCs transfering C.
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Aug 12, 2010
I have 2 usercontrol in my .aspx page.
usercontorl1:
<asp:textbox id="txt" runat="server"></asp:textbox>
<asp:button id="btn" runat="server" text="send" />
usercontrol2:
Here I have gridview control with checkbox for selection of one or two records. Have one button and when clicking this , i need to get the selected records values and assign this values to the textbox which is in usercontrol1.
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