User To Be Able To Highlight Text And Apply An Attribute?
Apr 2, 2009
So - I have some text in an RTF control. I want the user to be able to highlight text and apply an attribute. The following code is placed into a button called BOLD and seems to work nicely:
If rtfText.SelectedText.Length > 0 Then
rtfText.SelectionFont = New Font(rtfText.SelectionFont, FontStyle.Bold)
End If
The code above will turn the selected text bold.
But then the user selects the Same text and with the following code placed into a button called ITALIC it removes the bold attribute and replaces it with italics.
If rtfText.SelectedText.Length > 0 Then
rtfText.SelectionFont = New Font(rtfText.SelectionFont, FontStyle.Italic)
End If
Since the users actions are separate - I can not know that they want BOLD and ITALIC, so how do I make sure I keep the existing attribute on the selected text (which, by the way could be part bold and part not-bold) and add italic?
Somehow I need to add the italic attribute to the selected text, not simply replace all attributes with italic.
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Sep 3, 2011
IDE is showing error in following code
<Extension()> _
Public Function FindByCode(Of TEntity)(ByRef vTEntities As EntitySet(Of TEntity), ByVal vCode As String) As TEntity
[code].....
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Dec 12, 2009
I am creating a multi-user application using VB 2005 Pro and SQL Server 2005.I would like to know what your ideas are when it comes to managing user permissions in regard to being able to view, add, edit and delete information in the database? Do you think I should have the end user type in the information into the VB application which then will create an SQL server user and then apply permissions to that security user or should I fine-grain the application by allowing groups to be created and then assigning permissions and users to those groups?
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Apr 10, 2009
I am already familliar with applying an image to a form background. My application has many in it, but I want to give the user the option of browsing for an image of their own to apply to a form. I don't intend to save the images as defaults or anything. Just the option to browse and apply to a form.
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Oct 18, 2010
I have a RichTextBox with an OnChanged event. The OnChanged event should look at each line in the RichTextBox and if the line is of prime length colour it red, otherwise colour it black. How do I do this? I think it is possible to select from index a to index b and set selection colour, but I think this will lose my cursor position.
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Jul 18, 2011
I was knowing that For Each loop can only be applied to those classes that implement IEnumerable interface . But recently i accidentally wrote a code that is using For Each on my class's objects collection and my that class is not implementing IEnumerable interface .Below is the sample code that i am testing on :
Sub Main()
Dim personList() As Person = New Person(2) {}
personList(0) = New Person("s1", "s2")
[code].....
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Feb 8, 2012
I'm working on upgrading a solution in VB.NET that is heavily based on Active Directory. As of now, I'm trying to add a PC restriction to a new AD User upon user creation. Essentially, I need to update the Logon To attribute to include 1 or more PCs, how do I go about doing this? I learned that I am interested in the IADsUser property "LoginWorkstations" url...). As of now, I have code that can fetch this attribute from any AD user, but I cannot set it. [code]I've tried testing this approach with a different attribute and it works just fine. Not much out there on Google either unfortunately.
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Mar 20, 2011
How can i apply a bold style to the text of a text box?
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Feb 16, 2012
I 'd like to enable the user to apply a custom filter to a System.Data.DataTable.At the moment I have a very simple function like this:
Dim result = dataTable.Select(txtUserInput.Text)
With the filtered results I'd like to do further operations(e.g. Database Update/Delete).Is an sql injection protection needed or is the "Select" function secure?
//Edit:Can the "select" function be abused to manipulate any data in the datatable, execute code, ...? If the only danger is that this function can return to much/to less data there is no problem. But if the data in the dataset gets corrupted it's a real problem.
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Jan 5, 2010
Is there a way to highlight an item in a VB.Net listbox without allowing the user to change selection?
When I set the selection Mode to "NONE" I canīt select an item in the code.
Same when I disable the listbox.
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Jan 23, 2010
I am using ASP.NET MVC to build a site. I am using VB as programming language.I have couple of questions.
1 I have created a role "Manager". How Do I check if a user belongs to this particular role?
For now I am using If My.User.IsInRole("Manager") Then 'Direct to a view Else 'Direct to another view End If Is this the right way? 2 How to use the Authorize attribute to limit access to a Function?
I know in C# it goes [Authorize (Roles ="Manager")] but not sure in VB. Also can I define property to redirect a user who does not have "Manager" role to a particular view when trying to access this function .
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Mar 10, 2011
I've added an attribute for a user readable display name to my Enum values.However my code to convert from the user readable display name back to the Enum (function ToEnum) seems very convoluted.I am wondering if I am missing a better way of doing this (I am using Visual Studio 2010 with SP1.) [code]
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May 31, 2012
I'm struggling to return user details from AD using LDAP, after i have authenticated that the user exists. I am using a simple auth method as follows:
Function AuthenticateUser(path As String, user As String, pass As String) As Boolean
Dim de As New DirectoryEntry(path, user, pass, AuthenticationTypes.Secure)
Try
Dim ds As DirectorySearcher = New DirectorySearcher(de)
Dim result As SearchResult = ds.FindOne()
[Code]...
the problem is that "distinguishedName" returns "DC=our-domain,DC=co,DC=uk" and "name" returns just "our-domain", not the name of the user that has just been auth'ed
Note: the displayName.text outputs are purely for debug purposes.I have tried various combos of requests but nothing seems to return USER details. ETA: to the security police: this is all within a https connection, I'm not sending passwords about in plain text!
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Dec 4, 2010
Using the following code..
Try
sing MemStream As New IO.MemoryStream
[code]......
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Feb 20, 2012
In businesslayer, there is a inherited Class Called BaseEdit which contains contractor and base properties. There are about 30 CustomEdit (inheriting classes), all of them has methods "Load","Save" and "Delete". The require for this existing system is to add a readonly user. Possible solutions considering the cost of works:
1) Modify the BaseEdit so all CustomEdit can stay the same. The system will check 'user role' in session by using httpcontext then to accept or reject the user's action.
[Code]...
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May 23, 2011
the Background of my form is a image and the text very big. when it is bigger it doesn't look good how do i apply Anti-aliasing on the text so that it will look good?
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Oct 2, 2010
I was using VB6 and all my text formatting is stored in a database from the way VB6 stores it. How do I apply this formatting to a rich text box in VB 2010?
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Sep 9, 2010
i need to create an application that when i highlight a text (outside the application (like a word text) ) and i click on control + f it prints it in a message box
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Nov 27, 2011
here any algorithms/pseudocode for reading/parsing 3-column csv data and determining unique objects/attributes/values?
example data:
john,height,1.75
george,age,21
[Code]....
i have already implemented a solution of my own but it's too slow and i can't find any relevant literature on the internet.
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Nov 10, 2011
Possible Duplicate: Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive
I am using window xp and iis 5.1 to run the application.
error is occurred Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive.
[Code]...
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Oct 29, 2010
I've a program in which I've a richtextbox and I want to highlight like it is done is Visual Basic 2008(or 2010) when the richtextbox cursor(and not mouse) is upon a certain word all the instances of that word in the code is highlighted.
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Feb 16, 2012
I am developing an application toolbar to be used with our companys CAD software and I have this portion of it Reading the lines of a text file into various comboboxes and such. However, if there are only 12 lines in the text file when I click a button to update and apply the new information i get an error because the file is already open. I need to figure out how to make sure its closed before WriteAllLines kicks in.
Imports System.IO
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If System.IO.File.Exists("c: emp est2.txt") Then
Dim theFile As String = "c: emp est2.txt"
[Code] .....
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Jun 4, 2009
I have a Web Forms textbox in a gridview and I want to higlight the text on a button click. textbox.select(start,end) doesn't work. Here is the code:
Dim row As GridViewRow = TryCast(DirectCast(sender, ImageButton).Parent.Parent, GridViewRow)
Dim txtdays As TextBox = row.Cells(2).FindControl("txtDays")
Dim lbldays As Label = row.Cells(2).FindControl("lblDays")
[code]....
.Select works on Windows Forms textboxes but not Web Forms textboxes.
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Dec 6, 2010
Im currently faced with a problem. I have a textbox whereby the user would enter a word, my program would then match the word within a text. If there is a match, the program would display the word and the line that contains the matched word in the listbox. My problem is I want to highlight that particular word when the line is displayed in the listbox but I could not find any syntax that could perform that function.
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Jul 30, 2009
I'm using a WebBrowser control and I'd like to highlight text that the user enters. It's supposed to be kind of like what you get from Ctrl+F in Firefox. I initially tried this:
Me.webHelp.DocumentText = Me.strOriginal.Replace(Me.txtSearch.Text, "<span style=""background-color:#44F; color:#FFF"">" & Me.txtSearch.Text & "</span>")
However, if the user types "body" it replaces every instance of "body", even ones inside tags, which hoses the HTML. How could I separate the page text from the tags(and everything else) and just do a replace on that while maintaining the integrity of the HTML?
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May 28, 2012
I am currently making a Syntax Highlighter.How can I highlight certain text inside a RichTextBox ? I am Currently Using This Code :
Public Function Highlight(ByVal highlightcolor As String, ByVal ParamArray WordsToFind() As Object)
'Loop through all the words you specified:
For i As Integer = 0 To UBound(WordsToFind)[code].....
but it will only Highlight 1 of the word I set / Change the whole text into the selected colour
Example :
'I wanted to Highlight "Hello"
'I put this code into RichTextBox_TextChanged:
Highlight("blue","Hello")
'And It will Only highlight The First "Hello" inside my Text :
'Hello my name is XXX, Hello
And, can I Highlight text between certain text / after certain text
Example :
'Highlight After the '
Or :
<!-- Highlight between these 2 tags -->
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Mar 24, 2011
I've got a textbox and a label. In the label, I've got the string "alberto". What I want to do is, I want the charactes I write in the textbox to highlight in the label, so, for example, when I write "al" in the textbox, the first two characters will be highlighted.
So, the real question is: how can i highlight only some characters in the label instead of the whole text?
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Oct 1, 2009
If it is textbox then i can [code]...
I want to do so in datagridview with a currentcell.
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May 2, 2012
in order to select text in a textbox you need to focus into it.The problem is, after focusing and selecting the second textbox, it deselects the text in the first textbox.
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Aug 4, 2011
I'm trying to highlight the text when the textbox gets focus, like an address bar of browsers. I'm using this code so far:
[Code]...
And it works fine, but I'd like to do the same thing on the click event. Here's my problem. The same code of enter event in text box, apparently doesn't work on mouse down and mose up.
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