Asp.net - Transfer Between Page And Web Control?

Aug 3, 2011

There are test.aspx page and test.ascx web user control.

I have a button in test.aspx = btn_test and above code in my button is :

Dim ct As Control = Page.LoadControl("test.ascx")
Panel1.Controls.Add(ct)

There is a dropdownlist with value 1 to 10 in test.aspx and there is label_test in test.ascx

I need some code when test.ascx loading, get dropdownlist.selectedvalue and show it in label_test.

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Asp.net - Transfer Login Value To Another Page?

Nov 14, 2011

I am a newbie in using asp.net with code behind of vb.net I just wanna know on how to see the name of the admin on the POS page. it seems that this code doesn't work?

Main.lbl_name.Text = CurName.ToUpper
POS.lbl_cashier.Text = CurName.ToUpper

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim cmd1 As New SqlCommand
Dim rdr As SqlDataReader
cmd1.Connection = cn
cmd1.Connection.Open()

[code]....

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Asp.net - Transfer A Value From One Page To Another In Hidden Parameters Instead Of A Querystring?

Mar 2, 2011

What's wrong with this code?

Source page : Default.aspx

<form id="form1" action ="Default2.aspx" method="post" runat="server">
<table>
<tr>

[Code].....

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Take The Data Of A Vb.form And Transfer It To A Html Page?

Dec 3, 2010

I have a questions I want to take the data of a vb.form, and transfer it to an html page with the same layout and formatting is this possibile?

My thought of how to do it is; Take screen shot of the active window i.e. the vb.net form and have it save the image to the same name and have the html file have iframe that calls the image. However how do i make sure that it takes the screen shot of the vb.net form everytime and how do i do that lol... are there any good reads on how to use an xml file as a database I work on a closed server that doesnt allow mssql or the installation of the required addon for mysql i think xml is the best and easiest way to go because I dont have access database either.

Dim btnDym As New Button
btnDym.Text = "Dynamic"
'set size
btnDym.Height = 25
btnDym.Width = 150
'set location
btnDym.Left = 100
btnDym.Top = 100
Me.Controls.Add(btnDym)

when creating dynamic controls how do I associate code with the control ie on button click do this etc, and does anyone have any good read's on dynamic control arrays

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Transfer Login Value To Other Page But Want To Display The Employee Name?

Nov 23, 2011

I am creating login pages using asp.net with code behind in vb.net, I am newbie:D. My problem is how to pass the login name to another page. First, whenever I login it will identify if it is an administrator shown in a msgbox. The user requirement is that the employee name is displayed as login not the username. Here is my code..

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cmd1 As New SqlCommand

[code]......

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Form With A Tab Control That Has 18 Pages - Click On A Tab It Opens The Page And Select A Textbox On That Page

Mar 8, 2009

I have a form with a Tab Control that has 18 pages. When I click on a tab it opens the page and select a textbox on that page (txtTextbox1. Select() ). This works for the first 8 pages but not for the remaining 10 pages. Although on these pages I can mouse click on the textbox, enter info, save then click my Add button that clears the textboxes and has the code (txtTextbox1. Select() ). The textbox is selected just fine. The code for all my pages is the same except for the tab name and the control names. The tab key will move the selection to the next textbox in order on all pages and the Enter key is coded to do the same. The first 8 pages have a total of 256 labels, buttons, list boxes, textboxes and checkboxes on them.

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Asp.net - Set Master Page On Page Preinit Based On Custom User Control Method Result?

Apr 27, 2011

I have a user control that checks if a certain query string and session value are present then returns a boolean based on that, if it's true I want to set the master page. The page is throwing an Object reference exception when it tries to call the method EditUser1.UserAuthorization(). Why is this happening? I imagine that the method doesn't exist at that point in the stack. Protected Sub Page_PreInit(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreInit

[Code]...

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Control Child Popup Page From Parent Page With Program?

Nov 18, 2011

Using vb.net on an aspx code behind event, is there away to tell from a parent page if the child page popup is open, and then close the child page if it is truly open based on some event on the parent page, like clicking a gridview edit link, again?

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Access A Page Variable From User Control Placed On That Page From VB?

Dec 27, 2009

I want to access a page variable from a user control placed on that page. All the solutions work in C# via casting to the page class. The problem is that this doesn't work in VB. The page class is not selectable from the Intellisense dialog. Manual typing results in the error type not defined. It is strange that C# can do this without a problem. What is the proper solution for this in VB? I had other cases where I needed to access a control on the main page. C# again uses a cast to the page class to access the control. This doesn't work in VB again. So how can I access the page class from a user control in generell?

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Unable To Get Master Page Control's Value At First Page Load

May 21, 2012

I am using <%@ MasterType virtualpath="~/__.Master" %> to embed my master page content into child page to access control belong to Master Page. I have one DropDownList in Master page. And I want to access its SelectedValue in my Child Page.

Problem is when page first time loads and as I am trying to access DropDownList's Selected Value by writing in child Page - "Master.DropDownList.SelectedValue". I am not able to get DropDownList's Value. Its display's Blank.

But When Page.IsPostBack I am able to get SelectedValue of that DropDownList.

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[RESOLVED] Transfer Of Control Array VB6?

Dec 28, 2011

I have been programming in VB6 for a while now and am gradually trying to get to grips with .Net (VB 2005)I am tryng to transfer some of my programs from VB6 to .Net with some success but have got a little stuck on trying to transfer what was a control array to .neto try to sort this i have set up a form in VB6 with 4 Vscroll bars and 4 Text boxes.Vscroll1(*) & Text1(*) where * is 0-4when you change the value in any scroll bar then the associated text box value changes.

Private Sub VScroll1_Change(Index As Integer)
Text1(Index).Text = VScroll1(Index).Value
End Sub

[code].....

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Internet Transfer Control Request Timeout?

Jun 10, 2009

I am getting an error 12002, which is Request Timeout.I would like to know what its default timeout is.

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Adding A File Transfer Through A Winsock Control In App?

Jul 21, 2009

Im adding a file transfer through a winsock control in my app. But the connection to it seems to be wrong

clientside Private Sub cmdConnect_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles cmdConnect.Click

[Code]...

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Asp.net - Get User Control Property After Server Transfer?

Apr 14, 2011

I have a host page with multiple user controls in it. Some of these controls have a user created property named Enabled, and is boolean.In some controls the default value for Enabled is set to False. In the host page, I am able to access the property and set it to True. The control does what it is supposed to.On this host page there is a "Run Report" button which executes a Server.Transfer to a "Results" page.In the codebehind of the results page, control values from the PreviousPage are checked via other user created Properties for the controls and added to a ParamterList.

I am attempting to check the Enabled property of the controls on the PreviousPage, however when this is done, it appears that the Enabled property is set to that of the default (in this case False), and not what I had set it to on the page when it loaded.Does the value of this property need to be put into a hidden text box or something so its value is available after the ServerTransfer? It seems like any control which contains a value is retrievable via the PreviousPage and its user created property, but any variable set inside of the control is reset back to its default value.

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Asp.net - Transfer Data From A Web Form To A User Web Control?

May 1, 2011

How can I transfer data from a web form to a user web control ? does the diffrence in the programming language affect ?

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Way To Be Able To Use Tab Control On Main Form And Transfer All 3 Other Forms

Feb 8, 2011

I am looking for a way to be able to use the tab control on my main form and transfer all 3 other forms onto that main form that has the tab control. Problem being is that some functions are named the same in each of the septate forms i want to bring into just one for the tab control.Is there a way to separate the code for each form ON the main form of the tab control so i don't have to rename/recode each of the 3 forms i want to place on the main form of the tab control? [code]so when i put both form1 and form2 code on the main form where the tab control is, its going to tell me that i have a duplicate function name.

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Scroll An ASP.NET Page Under Control Of The Code-behind Page?

Jun 3, 2009

I have an ASP.NET 3.5 page with some AJAX, some Validators and some business-rule validation done in the code-behind page (VB.NET).

The Validators set focus to the 'offending' control when an error is detected.

When a business rule is violated, I used the following code to generate some javascript "on the fly" and execute it to simulate the Winforms "MessageBox.Show" functionality:

Sub DisplayMessages()
Dim lblError As New Label
lblError.Text = "<script language='javascript'>" & Environment.NewLine & "window.alert('"

[Code]....

At the end of the "btnSave.Click" code, if everything went ok, calling that subroutine.

What I get is the page scrolling to the top and then back to where it was when the Save button was clicked.

For various reasons, 'MaintainScrollPositionOnPostback="True"' is in the Page directives at the top of the .aspx code. What I'd really like is to make that FALSE for just a moment so that the page resets at the top - again, only if everything is ok and only for this button (there are other buttons on the page that require the page to keep it's scroll position).

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VS 2010 Internet Transfer Control Omitted From Express?

Dec 30, 2011

I'm trying to write a program using Internet Transfer Controls, but I'm using Visual Studio (Visual Basic Express) 2010.

Is Internet Transfer Control omitted from the express version?

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Transfer Data From A Table In Access To A Listview Control In Excel?

Feb 9, 2010

I am currently building a tool which uses access as the backend and excel as the user interface (I am unable to change the applications).I would like to be able to use the listview option, howver I haven't a clue and searching on the internet is causing me a headache.

Basically what I would like to do is get the heading names from the table in access and populate the listview, later on I will what it to look at specifc data to populate the list view.

My connections is already open, I think I'm ok witht he sql, its just the other bits.

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Using Background Intelligent Transfer Service To Transfer Files To Server?

Mar 20, 2012

I will use the Background Intelligent Transfer Service (BITS) to transfer files from a client (laptop) to a shared folder on a server within our local network.The problem is a very slow network bandwith, if we transfer a file, the other clients canīt work, all requests to other clients (application) or viewing internet pages needs a long time.My idea is to use BITS in my tool to copy/transfer a file from client to server, also I hope to get more performance for the internet requests.

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Asp.net - Adding To Page Control Collection From Inside A User Control?

Feb 12, 2011

I have an asp.net usercontrol which represents a "popup" dialog. Basically, it's a wrapper for the jQuery UI dialog which can be subclassed to easily make dialogs. As part of this control, I need to inject a div into the page the control is used on, either at the very top or very bottom of the form so that when the popup is instantiated, it's parent is changed to this div. This allows "nested" popups without the child popup being trapped inside the parent popup.

The trouble is, I can't find a safe way to inject this div into the page. A usercontrol doesn't have a preinit event, so I can't do it there, and calling Page.Form.Controls.Add(...) in Init, Load or PreRender causes the standard exception "The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases."

I thought I had found a solution by using. ScriptManager.RegisterClientScriptBlock(Page, Me.GetType, UniqueID + "_Dialog_Div", containerDiv, False) which seemed to work well normally, but recently a coworker tried putting an UpdatePanel inside the dialog and now she's getting the error "The script tag registered for type 'ASP.controls_order_viewzips_ascx' and key 'ctl00$ContentBody$OViewZips_Dialog_Div' has invalid characters outside of the script tags: . Only properly formatted script tags can be registered."

How are you supposed to add controls to the pages control collection from inside a user control?

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Asp.net - Server.transfer To Transfer Execution Of A URL

Mar 9, 2011

I'm using server.transfer to transfer execution of a URL to a dummy page which fetches information from the database. The trouble is that the master page interacts with the session.

global.asax:
Sub Application_BeginRequest(ByVal sender As Object, ByVal e As EventArgs)
' Fires at the beginning of each request
If Not (System.IO.File.Exists(Server.MapPath(Request.Url.LocalPath))) And Request.Url.LocalPath.ToLower

[CODE]...

Master page:
If String.IsNullOrEmpty(CStr(Session("SessionId"))) Then

Session.Add("SessionId", Guid.NewGuid().ToString)

End If

Page declaration: <%@ Page Language="vb" AutoEventWireup="false" CodeBehind="utilityCMS.aspx.vb" Inherits="utilityCMS" MasterPageFile="~/MasterPages/main.master" EnableSessionState="True" %>

Web.config snippet:
<httpModules>
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<add name="HttpModuleAggregator" type="XPIdea.Web.HttpModuleAggregator,xpidea.web.common" />
</httpModules>

I'm getting an error :
Session state can only be used when enableSessionState is set to true, either in a configuration file or in the Page directive. Please also make sure that System.Web.SessionStateModule or a custom session state module is included in the <configuration><system.web><httpModules> section in the application configuration.

I should also mention that this same master page works elsewhere in the site. Session is used throughout the site as well (not just in the master page).

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Add A Control To A WebBrowser Control Page?

Apr 16, 2009

I have a webbrowser control, where I show images (bmp files, that the program creates), and I want to add some UserControls to setup the images (as showing layers, or choosing colors to display). Is easy to do appropiate UserControls on VB.NET, and I know almost nothing about HTML, so, I would like to add standard VB.NET UserControls near the images.

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Transfer Control To The New Instance In A Single Instance Application?

Jul 15, 2011

I have a single instance VB 2010 application I know how to communicate with the next instances run through the StartupNextInstance application event. The usual way of working with this is parsing command line arguments of the new instance and continue execution of the old instance. What I would like to do is replace the running instance with the new one. Is there any way to do this other than disabling the single instance property ?

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Find And Interact With A User Control On Page From Separate User Control?

Oct 17, 2011

I have an aspx page that has two different user controls. I want to find user control A and be able to set properties, etc., from user control B.

I was thinking I could do something like this:

Dim CMFilters As Control = Me.Parent.FindControl("CMFilters")

...but that doesnt work to be able to set properties and call methods. I somehow need to get the user control and and declare it as that user control type.

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Transfer Control To A Different Form When One Form Is Minimized

Dec 15, 2011

i wanted to transfer control to a different form when one form is minimized..,how do i achieve this?

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Tab Page 1 To Tab Page 2 (textbox1 Input From Tab Page 1 To Textbox2 In Tab Page 2)?

Jun 12, 2011

I have a text input in textbox1 in tab page 1 and i want that text from textbox1 will be displayed in textbox2 in tab page 2.

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Add Existing Tab Page To Tab Control?

May 26, 2009

How to add existing Tab page to tab control like i am removing Me.tbIncoming.TabPages.Remove(tbPgViewer) 'I removed in button close and after i want to show in form load eventadil

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ASP.NET: Getting All The Page's Control As IEnumerable

Apr 23, 2009

I'm trying to use the page control's collection with LINQ. Whereas this works:

dim l = Me.Controls.OfType(Of TextBox).AsQueryable()
the following return an ArgumentExceptionError:
dim l = Me.Controls.AsQueryable()

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Casting A Control To Another Page?

Apr 27, 2012

I have tried everything to no avail. I need to cast the value from a user selected dropdownlist to another dropdownlist on another page. The data in the textboxes are a series of numbers. Also is there a way to display the value in the second dropdown list as well as other values? For example, my dropdown has the values 1-6, user selects 4, which displays first in the dropdown on page 2 but the other values also display in case they want to change there selection??

If Not Page.PreviousPage Is Nothing Then
Dim table As Control = PreviousPage.Controls(0).FindControl("table1")
Dim ddl As DropDownList = CType(table.FindControl("ddlB_Codes"),c DropDownList)

[code].....

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