Using FindControl To Target Literal
Jan 5, 2012
I have a ListView called "orderReceiptTable" which I am able to properly access from the Code Behind. Within it is a literal called "orgName" which I obviously would like to populate with an organization's name. After much searching it was determined that FindControl was the right course of action. Perhaps I am using FindControl improperly but I am unable to actually have it "find" my Literal control. The code block is being called in the Page Load.
My code looks as such:
Dim orgNameString As String = getOrganizationName.getOrgName(organizationID).ToString()
Dim myOrgName As Literal = FindControl("orgName")
myOrgName = CType(orderReceiptTable.FindControl("orgName"), Literal)
If Not (myOrgName Is Nothing) Then
[Code] .....
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Feb 17, 2012
i need to find a control in a repeater in my asp.net application.At the moment I'm using FindControl("IdOfControl") and this is working well.
[Code]...
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Nov 5, 2009
I am limited to using ASP .NET 1.1, as for this environment I cannot upgrade to 2.0 or beyond Essentially, I have a very simple datagrid that has a checkbox in one of the columns, which is a template column...the code for the datagrid is this:
<asp:datagrid id="dgDates" OnItemCommand="gridEventHandler" BorderColor="Black" BorderWidth="1px"
CellPadding="3" runat="server" AutoGenerateColumns="False" HorizontalAlign="Left" AllowSorting="True"
OnSortCommand="SortData" OnItemDataBound="gridItemDataBound">
[code]....
Now, my issue is that when I set cbStaticRolling to the CheckBox control through FindControl on the e argument, it seems to set the variable okay, but doesn't seem to be setting the right one, or setting it properly, because "Checked" property is false regardless of whether I check the box or not?
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Sep 24, 2010
I ran into a situation where FindControl was returning a control that wasn't a complete match of the Id I was searching by. There are two controls in the parentcontrol with similar Ids like: "MyControl" and "MyControlAlternate". When I call FindControl("MyControl") the control returned is "MyControlAlternate". I was wondering if anyone had any explaination why or thoughts as to what might be causing this problem. The way I got around this was implementing my own version of FindControl.
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Oct 15, 2011
[Code]...
But none of these work for me.
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Feb 14, 2012
I have a DataList inside a DataList that causes my page to lose the controls. The page works and there are no errors, but my label is never found! This is odd because the label shows on the aspx page, it just doesn't remove the 2 items that I want it to remove. When debugging, it skips over the If statement altogether:
If lbl IsNot Nothing Then
If lbl.Text = "Self Directed" Or lbl.Text = "Systems" Then
lbl.Visible = False
[Code]....
This will only hide the text for "Systems", I have gone through each label in that particular question and each has hidden itself. This code does work on another page so I know that Self Directed is exactly how it is capitalized. I even copied and pasted from the database and it still wouldn't hide.
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Dec 1, 2010
Is this the right declaration of findcontrol for complete step of createuserwizard1 ?Dim UserName As TextBox=CreateUserWizard1.CreateUserStep.Content TemplateContainer.FindControl("Label11")But when i use it its shows the error object expected !
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Mar 16, 2012
I created a simple page with one button, then on the click event have it use FindControl, to get a reference to itself. But..... FindControl is returning nothing.
code
Protected Sub EntryDoor1_Click(sender As Object, e As System.EventArgs) Handles EntryDoor1.Click
Dim control = FindControl("EntryDoor1")
control.Visible = False
End Sub
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Feb 17, 2011
I have a literal8 inside panel1 and panel1 inside datalist1 ..
i wanna insert the value in literal1 on page load event using query string ...
ERROR on Page Load : Object reference is not set to the instance of an object
how to make this code workin ?
Protected Sub Page_PreInit(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreInit
Dim lit8 As Literal = DirectCast(DataList1.FindControl("Literal8"), Literal)
lit8.Text = Me.Request.QueryString("room")
End Sub
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Jun 12, 2009
i am trying to retain the value of a variable from a previous page. i believe this is the C# way to do this, but i would like the vb.net way can someone please help:
TextBox myTxt = (TextBox)Page.PreviousPage.FindControl("previousPageTextBox");
currentPageTextBox.text = myTxt.Text;
i would like to know how to code this in vb.net i tried this:
Dim myTxt As TextBox = CType(Page.PreviousPage.FindControl("Textbox1"), TextBox)
TextBox1.Text = myTxt.Text
but i got this error msg:use the new keyword to create an object instance
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Aug 10, 2009
I created a row (header row) in a gridview with a dropdownlist among other input controls. I also put a button on that row (fltbttn-see below).I created an addhandler for the button called fltbttn_Click.I want gain access to my dropdownlist(ddlscantype) using findcontrol but how can I get to the header row where the filter controls exist?[code]......
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Oct 27, 2009
Ive tried searching for hours now and cannot find out why my code (aka, me.) is failing
Basically... I have a listview control which I'm passing a datatable of products (ID, Name, Description and Price columns), and im trying to make it so that when the "checkout" button is pressed, it parses through all the controls on the page, finds all the controls with the correct ID's and adds the items values to the cart.
ive checked all my ID's in the source code and they match up to the ones being requested by the FindControl method.[code]...
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Sep 13, 2011
How do you get a specific nested control of dynamically created controls (i.e. the child of a dynamic control)? The FindControl() method does not work because it only deals with TopLevel dynamic controls I believe.
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Jun 4, 2009
I have a web page where I want users to enter ratings for a particular software. I have got this working fine. What I am after now, is that users need to be logged in to enter ratings. I have dragged the loginview control onto the page and dragged all the other controls/datasources into this view. However now I am getting alot of squiggly lines regarding my controls not being declared. I have been told that I need to use the FindControl method. However I'm not sure on how to use it in my instance as I have a dropdownlist involved.
The controls are called: LoginView1, DropDownList1, TextBox1 and Button1 for the insert.
Any proper declarations so I can insert data into my database. Here is the code as it stands outside of the loginview:
Sub doInsert(ByVal Source
As
Object,
ByVal E
As EventArgs)
Handles Button1.Click
[Code] .....
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Aug 16, 2010
When using Sendkeys with vb.net, is it possible to tell if the target of the Sendkeys has changed between sendings?
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Oct 7, 2009
I am going to be performing an XSLT transformation, transforming XML to an HTML table. It's tabular data, so that's why I'm not using div's.
[Code]...
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May 2, 2011
using System;
namespace WebApplication1
{
public partial class _Default : System.Web.UI.Page
{
[code]....
I have the above code sniplet. I am trying to bind the anchor within the literal to a function in a following manner:
onserverclick = "Download"
But the event is not firing. The requirement is that anchor is rendered through literal only.
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Sep 14, 2011
Possible Duplicate: Multiline strings in VB.NET
How do you specify a multiple line string literal in Visual Basic .NET?
You can do it in C#: Multiline String Literal in C#
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Sep 13, 2009
How do you type binary literals in VB.NET?
&HFF // literal Hex -- OK
&b11111111 // literal Binary -- how do I do this?
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Aug 2, 2011
I just learn how to create an array literal in VB.NET. [code]...
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Dec 10, 2009
If I needed to escape a double quote character within a string literal I'd use two consecutive double quotes as follows:
Dim name = "Chuck ""Iceman"" Liddell"
However, it doesn't seem like consecutive # works the same way. The compiler is expecting a compiler directive to follow the # character, even when its enclosed in double quotes. How can tell the compiler that I want a # character in my string?
EDIT: as a few of the answers below point out, # is not a reserved character. I closed my solution in Visual Studio and re-opened it and no longer got the compiler squiggles warning me.
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Jun 9, 2010
I have the same problem as stated in this question, but the accepted solution there was a "works on my machine" answer.
[Code]...
And I receive the error: BC30201: Expression expected.
Does anyone have a more detailed idea of what could cause this?
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Mar 7, 2012
In an older thread i was looking to read data into a temporary datatable, Now I think I have gotten this working, but i am not sure how to connect the temporary data set (if needed) to access the data from this.
Again here is my code
[code]...
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Jan 27, 2011
I'm getting the error below when I try usign the XmlTextWriter in my VB aspx page
[Code]...
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Jul 29, 2011
I'm trying to assign the literal text as a URL redirect as follows:
Dim l As Literal = CType(sender, Literal)
l.Text = "<a href =""~default.aspx?tabid=65&itemid=" + id + """>Results</a>".ToString
The problem I'm having is with the ~
Without the squigly (does it have a proper name?) I don't get the full proceeding part of the URL.
With the squigly it displays the URL perfectly but with the squigly still there.
[URL]
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Feb 2, 2011
This might just be a matter of taste, but I'm wondering if there's a "recommended" way to compare a variable of type Object (which might be Nothing or have a different dynamic type than String) to a string literal in VB.NET. The following options obviously won't work:
If myObject = "Hello World" Then ... -- won't compile
If myObject Is "Hello World" Then ... -- tests for reference equality, which is just wrong
If myObject.Equals("Hello World") Then ... -- throws an exception if myObject is Nothing
If DirectCast(myObject, String) = "Hello World" Then ... -- throws an exception if myObject is not a string
Thus, the only (simple, single-expression) solution I could find is to use
If "Hello World".Equals(myObject) Then ...
which looks a bit clumsy to me. Did I miss any obvious alternative, other than doing type checks or explicit checks for Nothing?(Of course, we're talking about Option Strict On.)
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Jul 30, 2010
With Option Strict On:
Dim theLetterA As Char = "A"
returns an error about converting the string "A" to a Char.
What is the syntax to enter a Char literal?
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May 25, 2011
how to capture the 'ID' literals from the following xml file example using VS and VB 2010. I plan to assign it to a temp variable for later use.
<?xml version="1.0" encoding="utf-8"?>
<Rows>
<Row Sortorder="1">
[code]....
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Apr 2, 2009
Isn't there a way in VB to pass an array literal? Say the subroutine ask for an array of integers and you have just one. Can't you do something like
DoSomething({MyNum})
instead of
Dim MyNums as Integer() = {MyNum}
DoSomeThing(MyNums)
I'm thinking I'm just missing some adornment to the array literal inorder pass it.
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Jun 12, 2011
Public Class Form1
Private
[code].....
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