Populate A User Control From A Containing Frame?
Jan 21, 2010
I have a troubling task. I have a page contained within an outer frame, on the outer frame is a user control which i need to populate with some data from within the containing page. The problem is the outer frame is rendered before i can get hold of the required data. How can i accomplish this?
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Jun 22, 2010
I've got a drop down list that I want to populate with items from a SQL Server database, which I did successfully, but I can't figure out how to write an if statement that will clear the drop down list based on a selected index and repopulate it with data from another table. The drop down list is inside an update panel that auto posts back.
Basically I want to allow the user to choose an item, but rather than populate another drop down list control, i just want to repopulate the current one with new data.I'm guessing that if I want to get data from more than one table the code below isn't going to work for me. Could I get the data from all the tables at once and store each table data in its own variable until I need to use it? (Each table will have under 10 items, in 5 tables.)
Here is the code to get the data from the database:[Code]....
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Mar 12, 2010
I have this situation where I have three pages:
The first page, default.htm, is a frameset page that uses the other two pages.
The second page, casemenu.aspx, is a form that contains an object we call "PopupManager": It has an element <xxx:PopupManager runat="server"/>. This object is dependent on the standard ScriptManager, which requires a form.
The third page, header.aspx, contains three links. Each link calls a JScript function that in turn calls a function on the Popup Manager. It makes the call to the popup manager with an expression like 'top.frames.casemenu._PopupManager'.
Now, the problem I have is that I have to change default.htm to be a normal page containing an iframe, which will refer to a new page, container.aspx, which has the original frameset. When I do that, I can no longer access the PopupManager the same way ('top.frames.casemenu._PopupManager' no longer works.)
I would like some way to refer to the PopupManager relative to header.aspx, something like "self.parent.frames.casemenu._PopupManager", but that doesn't work.
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Jan 24, 2011
My Login Control opens in a FRAME, which is where I'd like it to open, but the control's DestinationPageURL="xxxx.xxx" doesn't use a TRAGET attribute and I'd like the user to be directed to a new page.
Do I have to come up with some fancy code to achieve this?
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Oct 1, 2010
i am working on asp.net website.
on my web page i submit some data on click at button , this block is inside update panel.
this functionality working fine in 3.5 frame work.
Now our website is using 4.0 frame work.
controls inside update panel giving following error on submting data :
Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500.
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Feb 21, 2011
I have a ListView tied to a DataSource, included in the layout is a Literal control. I want to be able for the user to click the Select button, and then I want to populate the Literal control with some Data. I have it working, but I have to click the Select button twice to get the data to show. My code is below.
Here is the html
<asp:ListView ID="ListView1" runat="server" OnItemCommand="ListView1_ItemCommand" OnSelectedIndexChanged="ListView1_SelectedIndexChanged"
DataKeyNames="TxnID" OnItemCommand="ListView1_ItemCommand">
<LayoutTemplate>
[Code]....
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Jun 4, 2010
I don't think I understand fully how ASP.NET does inheritance of controls.I have a user control, ucBase, which has an asp.net label in the ascx file. Code behind references the label and it works fine during run time if the control is not a parent for another user parent.
If I have another user control, ucChild, inheriting from ucBase, the label in ucBase's code is always null. ucChild has no controls in its ascx fileThe server controls (like the label) needs to be declared in the ascx file and not created programmatically.What needs to be done for ucBase to see its own controls when it's a parent user control?
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Mar 7, 2010
I've got a dropdownlist control that the user can select an an employee name and that should then fill in the detailsview control with specific information about that employee.
My dropdownlist control works fine and I do have AutoPostBack set to true. For some reason my detailsview doesn't work. There's no error message. The detailsview control just doesn't show up.
Here's my code:
This is the sqldatasource control for the dropdownlist control:
[Code]....
This is the sqldatasource control for the detailsview control:
[Code]....
Dropdownlist control:
[Code]....
Detailsview control:
[Code]....
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Jan 14, 2010
how can we do this?
we have a text box where we wish to capture let's say a city name. when the user types let's say l - a list of cities starting with the letter l should appear (london, liverpool, leeds etc)...
any sample code or articles?
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Feb 4, 2011
How to populate message box from a text box when user enters a value?
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Nov 1, 2010
Basically, I have a textbox where a user can enter an ID from a database. To make things easier, the user can popup a GridView using a ModalPopupExtender to display all the tables columns, and they can Select a row, which then closes the modalpopupextender and sets the textbox to the row's ID column.
So far I have this:
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
string testing = GridView1.SelectedRow.Cells[1].Text.ToString();
((TextBox)dtlsInsert.FindControl("txtNom")).Text = GridView1.SelectedRow.Cells[1].Text.ToString();
}
The 'testing' string gets populated, but it doesn't seem to populate the txtNom textbox. Also, how do I close the modalpopupextender programatically?
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Feb 4, 2011
I am using 3 text boxes for range selections. I want to show range value in a message box when user enters range in text box.
Suppose user enters
100 in 1st text box , I want to show "you are selected <100".
100 in 1st text box and 500 in 2nd text box I want to show "you are selected 101 - 500"
500 in 2nd text box and 1000 in 3rd text box I want to show "you are selected 501 - 1000"
After entering a value in 3rd text box ,I want to show all ranges in message box.
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Sep 10, 2010
I've got a web site that has a master page and that master page (mpMaster that has a user control ucControl1) which has a sub user control (ucControl2), this user control has a property which accepts a value. Now, I have a page that uses the master page
and on this page I have another user control (ucPageControl), I need to find a way of setting the value in ucControl2 from ucPageControl. Is this possible at all?
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Feb 17, 2011
I am trying to assign user control from another user control ..first time its binding control successfully but when we refresh the data its giving error
saying "Object reference is not set an instance".
how to refresh data from another user control ...
My senerio below :
1 Aspx page
2. User control
calling usercontrol databinding method from aspx page but once it get refreshed ,not allowed to bind it again..
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Feb 18, 2011
I'm attempting to create a simple menu user control just as outlined here.
The attached code results in an "Object reference not set to an instance of an object" error, but I can't figure out why.
<%@ Master Language="VB" CodeFile="MySite.master.vb" Inherits="MySite" %>
<%@ Register src="Controls/Menu.ascx" tagname="Menu" tagprefix="my" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">......
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Sep 7, 2010
I am trying to create user by registration form which contains dropdown for profession in ASP.NET MVC
Eg. Individual, professional, manager etc.
some fields are common like name & Last Name...
some fields are unique by profession...
how do i program it with ajax.
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Mar 22, 2011
I am new to web forms, but how can I populate a web form (form fields i.e. name, job title, tel no etc) with that users information automatically taken from their active directory profile? It wouldd be an Intranet application so all users would be on the domain. How is this done in ASP.net? In Coldfusion I would set the following variable
<cfset user = listLast(cgi.REMOTE_USER,"") > which would grab the user id from AD
Then I would query an employee DB matching up the userid to gather their employee info
<cfquery name="querygetemp" datasource="DATASOURCE">
SELECT * FROM empl.directory
WHERE uPPER(NETWORK_ID) = '#ucASE(user)#'
</CFQUERY>
and then set variables which I would use to populate the form fields further down the page
<cfset varsection = querygetemp.section>
<cfset varjob_title = querygetemp.job_title> etc.
how to get around this in ASP.NET?
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Jun 11, 2010
I have to access the parent form's controls inside an event handler method on my user control's code behind.
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Sep 16, 2010
I'm trying to populate a gridview after the user clicks a button. In the button_click event handler I'm fetching the info I want to display on the grid. this is the code I'm using to do it...
[code]....
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Mar 10, 2011
I have a web user control that represents a simple message box. It is used to display simple messages like "Item has been deleted", or "The item was saved successfully".
On the other hand, I have another web user control that represents the item in the form of an editable form (I made this a user control because this is used in two different pages). I want to embed an instance of the message box user control inside the editable form. I am writing this right after the @Control directive:
[Code]....
Instead of using @Register directives, I register the user controls in web.config and so far this has worked just fine.
With the above markup, the project compiles, but whenever I try to navigate to a page that contains this construct, I get an HttpParseException exception. Furthermore, Visual Studio states that the tack w7rc9:MessageBox doesn't represent a known control.
What am I doing wrong?
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Jul 16, 2010
I want to convert windows user control into web user control..I have the usrDataView.cs..I need to convert this file into usrdataview.ascx.can anyonr help me?...how I can convert the file...Is any method is available..
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Jun 3, 2010
have two user controls on one aspx page. UC1 has a grid which contains a link button column which user clicks. Based on the value of clicked cell, I need to show some data into UC2.How do I pass data from UC1 to UC2? How do I invoke a function of UC2 from UC1?
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Apr 16, 2010
All I would like to be able to do is include one user control within another! Is this possible? I have spent the last hour searching the internet and it seems that I can't find a single thing.
In classic ASP it would be something like:
<!--#include file="EditProject.ascx"-->
I tried this but no luck!
Parser Error Message:
There can be only one 'control' directive.
Source Error:
[Code]....
Line 1: <%@ Control Language="VB" AutoEventWireup="false" CodeFile="EditProject.ascx.vb"Line 2: Inherits="Controls_WebUserControl" %>Line 3: <form runat="server">
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Mar 5, 2011
It's simple to create both user control from the two world : ASP.NET+Razor or MVC 3.0.But i do not known how to consume the user control FROM the razor"_layout.chtml" page.I want to put such thing within the layout page: <uc:MyTag Prop1="" Prop2="" />So i need to declare this directive at top of the layout file : <%@ Register TagPrefix="uc" TagName="MyTag" Src="Controls/Mytag.ascx" %>
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Oct 6, 2010
I am new to this forum as well as Visual Studio and asp.
I am connecting to an access db using Visual Studio Express 2010.
I have a dropdownlistbox that pulls names from a database. When I select a name Gridview1 gets populated. Now I want to populate Gridview2 with more data when I click 'Select' link in Gridview1 but it's not working.
I am passing name (string) and number (number) fields to the gridview2 based on the gridview1.selectedvalue property and am seeing:
Input string was not in a correct format.
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