Asp.net - Pass A Variable To User Control To Determine Display?
Nov 28, 2011
I've found various C# examples here, but I can't seem to get a VB version working.I want to be able to pass a simple variable into a User Control to determine whether it shows a certain section of data.It's basically a Customer Data form, and in some circumstances I need to show a line with the customers account number and sort code, and in some I don't, so my user control:
<controls:customerForm ID='customerForm' showBankDetails="no" runat='server' />
But I can't work out what to do with the showBankDetails variable in Code Behind to stop it from rendering that section, or simply hide it with a CSS snippet.How do I access that variable in the code behind using VB.NET?
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Nov 6, 2009
I have an application going here Form1 has a panel on it named TargetPnl. I need my TargetPnl to display my user control named Vviewer when I click my SearchBtn and also need it to disappear when I click another button.
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Jan 25, 2012
I'm writing a control that needs to check a property of the form it's placed in.Is there a way to do that?
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Mar 2, 2010
In reading various answers regarding "masked TextBox Control, am I to assume that the masked textBox control uses a mask to determine what characters the user can enter into the control?
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Sep 5, 2011
I have to pass a global variable to a control textbox. but after running the code the textbox is empty[code]...
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Mar 15, 2010
I have numberic updown control in my app. There may be times when I want to programatically change the vlaue (in which case I don't want to ValueChanged event handler code to run). There will certainly be times when the user makes a change (in which case, I would want the event handler code to run).
[Code]...
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Aug 22, 2010
I am modifying some code I found here to test to see if a user has scrolled to the end of the control. In this case the control is a Crystal Viewer but I posted here because I think the issue is based on the vertical scrollbar not the Crystal Viewer itself.
The code flags an error at
Me.CRViewer.Controls.OfType
Indicating 'OfType' is not a member of 'System.Windows.Forms.Control.ControlCollection'.
I understand the concept that I can't reference something that it is not but I don't know how to fix it. The original code was for a DataGridView.
The ultimate goal (not finished) is to find out when the user has used the mouse or possibly the scroll bar itself and if it hits the bottom of the page of the viewer, then trigger a new page so it looks like they can just keep using the mouse to scroll.
Public Sub New()
Me.InitializeComponent()
Dim vscroll As VScrollBar = Me.CRViewer.Controls.OfType(Of VScrollBar)
[Code]...
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Apr 13, 2012
I have problem. I have site.master wich includes coulple of user controls. Now I need to pass value (srting) from actual pages code behind to master pages user control (Property) .
So my master is like this:
<%@ Master Language="VB" CodeFile="/scripts/pohjakoodit.master.vb" Inherits="pohjakoodit" AutoEventWireup="false" debug="false" %>
... on the end of master there is:
<ucSheriff:sheriffala ID="sheriffala" statvalue="atesti" runat="server" />
Then I have actual page wich strarts like this:
<%@ Page Language="vb" MasterPageFile="site.master" AutoEventWireup="false" CodeFile="/scripts/alkuuutisetxw.aspx.vb" Inherits="uutiset_index" debug="true" %>
The sheriffala.ascx has property
[Code]....
So how do I pass string to user controls property from code behind file?
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Jan 18, 2012
I have two user controls on the same page. One contains a ListView that displays navigation links, the second user control should be updated when user clicks on the buttonlink in the ListView.
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Jul 24, 2011
I am using VB .net 2010 express from microsoft. I have a numeric up down box to display a variable that the user can choose a number for. Then I have a text box that I want to display a result of the updown box * 1.5... So far I have the following... What do I need or need to change? I have the integer variables initialized or whatever with Dim statements as follows -
'speed variables
Dim CruisingSpeed As Integer 'cruise speed - updown box
Dim FlankingSpeed As Integer 'Flanking speed - will be cruise * 1.5
[CODE]..................
It says that it cannot convert the up down box into an integer... I need it as an integer to calculate the other number...
Complete code just in case the above was not enough info...
'Imports Excel
'Imports System.IO
Public Class Form1
[CODE].............................
I have some stuff commented out because a variety of issues - some I will end up using and some I will end up taking out before it is done...
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Jun 22, 2009
I would like the main UI to load the custom UI Control which is specific to a particular client. Since every client may have different requirements, I have decided to create snap-ins since the rest of the application remains the same. However, the UI may require specific information for that particular client.
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Feb 4, 2011
I built a VB ASP.NET 1.1 Web User Control that contains several properties. I want these properties to display in the VS2003 IDE Properties window, for easy manipulation. However, none of the properties appear! How do I make them show in the IDE?I am a C# guy, and not very familiar with VB, so this is probably a no-brainer. Here's a property, including attributes:
Private _priceHigh As String = "2000"
<Browsable(True), Category("SearchProperties"), Description("Foo"), DefaultValue("2000")> _
Public Property PriceHigh() As String
[code].....
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Sep 5, 2010
Using Visual Basic 2008 Express. I need to pass a variable to another form. Or else make the variable visible to both forms.
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Jan 20, 2011
I have two textbox and a button .... control on web page, ,,,
database structure...
ID Email Password
1 dd@d.com jhatri00
2 ff@f.com tyyuiioo
i want when i login using texxbox1 and textbox2 then it validate emailid and password if record find .... the it will display the emailid on the each page ........ of the logged in username ..... on everypage ...
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Feb 25, 2009
I am creating a user control that contains a panel as well as 4 string and integer properties. I would like to display the text of the properties in the user control during design time.
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Aug 3, 2009
I am new to VB and seeking to create a visual basic program which controls the display of several on-screen elements depending on a single value input by a user. The user can enter anyone of 2500 values and depending on the value entered, five different display elements on the screen will change color or text. The program's response to a given input value never changes, in other words if the user enters 279, the five different display items will always be the same. However, there is no real pattern to the display items that would allow for programming an anticipated response to the input value.
My thinking is to create a large and ponderous "lookup table" in visual basic - I am assuming this an be done but perhaps there is a different or better method. I plan on creating the lookup file in Excel but was assuming I'd need to export it to something that VB could easily read. Any suggestions on the best way to do this? Does the lookup table reside as a separate .txt files someplace or something like that? [Code]
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Apr 23, 2009
I need to quickly demonstrate a project and decided to create a user control that is connected to an Access database through pure simple data connections (create the dataset and drag it on the control.)When I build the project and add the usercontrol to panel control on the main form, no data is shown in the datagrid.When I add the data components directly on the main form, the data is displayed properly. why I can't get my databound user control to display the data on my main form?
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Nov 15, 2011
Can I stop updating the user display of a control (rich text box) temporarily? I want it to process what I tell but not change how it looks for just a small piece of code.
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Sep 3, 2009
I am having some trouble with an array full of data which I am trying to process. The data has been picked out of an Excel spreadsheet and contains items such as phone numbers. The problem is that when I drop this array back into a spreadsheet, Excel being clever, decides that some of the phone numbers are numbers and removes the "+" from the front.[code]...
I know that adding a ' in front of the + will remedy this. What I need to do is find out which of the numbers in the array are actually numbers and which have spaces/characters in them. IS there a quick way of doing this without having to search through each individual character of each array position?
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Mar 6, 2012
I try to determine the lenght of a string variable, but get the wrong outcome when using: testje = Len(testSTR). When I insert the following line of code: testje = testSTR.Length the answer is still wrong but when I click "Length" I see the correct value. How to get at that value, so I can use it?
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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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Apr 11, 2009
how can i call a VB function - deleteevent() in usercontrol.ascx.vb from a javascript function in clickhandler(e) in usercontrol.ascx. The call should cause a postback because I need the usercontrol to display the changes.I am currently trying to do it by using a linkbutton with style display:none, and calling its click event from the javascript function. But i dunno how to call the click event.
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Apr 13, 2009
I am writing a service (service.exe) which I will be installing multiple times on a server with different display names (service1, service2,... servicen).Based on the display name the service will perform slightly different operations (e.g. monitor a different COM port).How can I programmatically determine the display name to find out which instance is executing?
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Jul 8, 2009
ok to start i know very little about VB6 but i am very good in true basic lol (stupid school teaching the wrong language -_-) anyway im just asking you to make the answer as clear as possible because i don't know very much. heres the problem . ok in the above example i have a button that (for my example) can be used to build a house (lol) i then have a variable in the button sub called money which will have 150 subtracted from it when the button is clicked my problem is it say variable not defined when using this button ... i have declared the variable in a module and in form load along with my other 50 or so variables. my question is how do i pass the variable into this sub and then send the new value back into form load so it can be sent into another sub for more calculations.
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Jan 14, 2010
I currently have the following funcion:
Public Sub GetUserAmount(ByVal ConnectionString As String)
Dim command1Text As String = "SELECT Wager FROM Donations1 WHERE DonationId = (SELECTCOUNT (BidCountHistory) FROM BidCountHistory)"
[Code]......
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Aug 6, 2011
I need to pass a variable by name like this
Dim html_news = "...the news ..."
Dim var = "news"
Dim a = "html_" & var
' content of that variable
How can I do that in VB.NET ?
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Sep 7, 2011
I am currently trying to teach myself how to program VB.Net in Visual Basic 2010 Express.I've been working on a little project for a while and have hit a wall. Normally I can find what I need online but I am now at a complete loss. Essentially I am trying to pass a pair of variables from Visual Basic (file names actually) to VBA so that I can copy/paste data from them using VBA. What I need is to find out how I can pass variables (in string form) back and forth between VB and VBA
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Oct 1, 2011
I have a Public Sub where I declared
Dim Elev As Double
later under that Sub I have the program go to anothrer SubRoutine that uses the same Elev variable. Within that subroutine I get a Variable not declared error. My book talks about using "Static" but in the context i guess I am using it, it hasn't worked.
What is the best method of tranfering the information from one sub to another.
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Oct 12, 2009
I am using VS 2008.I have an application that has a variable defined as an Application Setting. I use this variable to define the connection string so I can change the location of the database withour having to recompile the application.My application references a class library. The Class Library is the one that manages the database. The DLL is referenced by my application.How can I make the class library use the Connection String defined as an Application Setting of the consuming application? If I say in the class library:sdRadhaAllied.Schema.Connections(0).ConnectionString[code]...
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Sep 17, 2009
VS 2008, .NET 2, Win XP I need help with passing a String variable from App to DLL?Why: I have App that on UnhandledException needs to call ErrorReport dll, send to that dll some strings like: App name, stack, error... Dll will send through internet this gathered data to me.
I can open Dll, close it, code it, but I can not figure it how to send data to it like VB App name, VB App version, VB App error.message For example I can in my form make a global variable like Public TestGlobal As String and that I can call from anywhere in my app, but how to do it with dll?
[Code]...
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