User-control In C#.NET Webpage, Permission Error
Mar 16, 2011
I need video chat application in my project.I had created VB.NET user control in class library project for Video Chat and its working.
But when i am trying to load user control in c# web page. While Executing i am getting security error as....
Application attempted to perform an operation not allowed by the security policy.<br/>
To grant this application the required permission,<br/>
contact your system administrator, or use the Microsoft .NET Framework Configuration tool.<br/>
If you click continue, the application will ignore this error and attempt to continue.<br/>
System.Security.Permissions.SecurityPermission<br/>
[Code]...
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Apr 10, 2012
This is a simple fragment of my code:
[Code]...
The last line throws an exception "Cannot open file" with certain end-user profiles. It works perfectly fine when executing from an Admin account. I just cannot figure out what user privileges and access settings may cause the error. Note that it also works with some end-user accounts (not admins). What missing user rights can cause this?
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Mar 16, 2009
How dow I create a user control for use in a webpage using VB.NET (not ASP.NET)?
How do I use that control in a webpage?
Can my control cause an event in the webpage and how? Ie. my user control has a button, and I want a Javsascript script to run when i click the button
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Jun 28, 2011
i'm having one user control in asp.net ,i just want to add the user control multiple times in a single web page in runtime in a separate table. How to do this?
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Nov 24, 2011
I need to define some roles in my program with defined permissions. Let's say the administrator can have access only to certain features. The officer in charge to certain features and the user as well. for example, I have several group boxes and the user can access one of it only. So how i do manage these permissions? What I want do is have the roles already with the defined permissions. When I create the user and assign the role, the user should get the permission automatically.
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Mar 4, 2010
In my web application we have many users. I want to set permission for each user. In our windows application we used Database to store the Permission(Insert,Modify,delete and View). In web application can anybody tell me about where to store the permission. Somebody told that if we use database it will take so much time? In the case of XML it is easy and not taking much time. But if the client set permission for number of users,then it will create problem?.
(Permission means in case of "Category" page which user can view the Category page,which user can edit information about category,which user can delete information of category,which user can add new category)
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Dec 4, 2010
When i upload my site in aspspider.com then it shows the following message.I use default dataase of asp.net namely ASPNETDB.MDF
Server Error in '/dobriyal' Application.User does not have permission to perform this action.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: User does not have permission to perform this action.
Source Error:
Line 7: Dim cmdSelect As New System.Data.SqlClient.SqlCommand("SELECT Password FROM a1_admins WHERE EmployeeId =" & TextBox1.Text & " And Email = '" & TextBox2.Text & "'", SQLData)
[code]....
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Apr 22, 2008
Dim oApp As Outlook._Application
oApp = New Outlook.Application()
Dim strDest As String = "C:\Documents and Settings\kmoloney\Desktop\kmoloney"
' Create a new MailItem.
Dim oMsg As Outlook._MailItem
oMsg = oApp.CreateItem(Outlook.OlItemType.olMailItem)
[Code] .....
When this code runs it will send the desired email but only after the user hits an "allow" button. I want to run this automatically, there will be no user to ok it. Is there a way to turn off the permission box?
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Feb 27, 2009
how do I clear the permission for a certain user and also add a new user with some security permission?
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Jun 11, 2011
I have the code to create a folder, does anyone have the code to share the folder and set the permission for everyone to have full control?
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Sep 21, 2009
I am concatinating a couple of text files and then deleting the individual files. (Not the output file)
The only problem is that I am getting a permission error "Exception from HRESULT: 0x800A0046 (CTL_E_PERMISSIONDENIED)" when I try to delete the files.
I can delete the files using the code below if I do not concatinate the files but as soon as I do I cannot delete them.
To concatinate:
Public Sub MeltText()
Dim SW As New IO.StreamWriter(OutPutFile)
Dim Files As String() = IO.Directory.GetFiles(StartDirectory, "*.txt")
Dim File As String
SW.WriteLine("Sw
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Jan 16, 2010
I've run my program on one computer fine, however when I run it on another PC which has high security settings I have a OleDB permission problem, can I access my DB another one which will avoid the IT department getting to involved to much? (they just very busy right now)
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Sep 17, 2009
I use a custom tool to translate a flat text to xml text. I then create the file, with over-write set to True. When I try to write the text to the file, I get the error. The error says "Error: Invalid procedure call or argument", "System: Access is denied." It seems like the Create command is holding the file locked, so the Write command fails.
Running in VbsEdit IDE, I can see it fail. If I copy the text which is trying to be written, and paste it into UltraEdit, then attempt to save the file there, I get the same error This is expected, because the VBScript execution is holding the file locked. It should NOT be holding it locked for the script itself, right?[code]...
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Oct 12, 2004
When I am trying to connect to database from VB.net, I am getting error.
This is my code.
Public g_Conn As new SqlClient.SqlConnection
With g_Conn
.ConnectionString = "user id=sa ;data source= CCTSRV8; " & _
"persist security info=True; " & _
"initial catalog=pubs ;password=mrwizard"
.Open()
End With
I am getting system.data.sqlclient.sqlclientpermission error.
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Oct 24, 2009
I have an old app, a VB5 front end with access 97 databases all works Ok using the ...program files... folders in XP but I now have a user on Vista and we have problems opening up, and I am braced for problems saving and closing down, if we ever get there.
I sent him a c# applet which found the users folder using string Dpath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
I have moved the data and all settings files to a folder C:Users[Username]AppDataLocal[My app Name][My app data Path]
The start up routine checks a settings file uses the path in the settings to re-attach the front end database to a backend database, test to see if the database uses replication and set the default data path for the rest of the app. we are failing somewhere in here I am sure. I have checked and there are no updateable files in program files
Have I got the wrong path or is there something else I should be looking for?
I have an vs2008 version of the app which is using a similar location but a SQL server database- no problems
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Mar 20, 2009
I work with VB6 SP6 under windows XP SP3.I' ve created a user control activeX. When I create some instance with the command : Form1. Controls. Add I have this error : "Error '50003' Unspecified error" if I create too many instances.
For Index = 0 To UBound(obj) Set obj(Index) = Form1.Controls.Add("MyUserCtrl.MyClass", "Label" & (Index)) obj(Index).Visible = True next index
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Jan 28, 2010
I've got a problem whereby I get Permission Denied while accessing a database via OleDB. I know how to unlock this but i'm not permitted to do so. I was wondering if ODBC would work? I'm not sure on the settings around this on my the PC where I'm going to use this application but wonder if this has less security around it. your thoughts until I can test this next week. Or is there another way you may know that I can use a database. (access)
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Feb 14, 2012
my program read and writes into registry and has been working fine, until today when i tested it on a new server i got this error request for the permission of type system.security.permissions. registryPermissions, mscorlib,version=2.0.0.0. i checked the registry permission and made sure all allows are ticked.
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Jan 30, 2011
2. I developed a form that had a combo box and Data grid view control The combo box is fed (linked) to a Access database list. The data grid view control is fed (linked) to multiple Access Databases. When I choose a name in the combo box, it loads a new database into the datagricview control. It works great. No errors. Note that all the databases are in my project file.Could not find file 'C:Program FilesMicrosoft Visual Studio 10.0Common7IDEBALSAMFIR.accdbI don't understand why it works in the form but not in the user control and why it thinks it needs to find the file in Common7/IDE/.
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Feb 20, 2012
I am using a user control using vb.net. It include the program to retrieve the values from database while giving the paramers. When I set the property from my main program i am getting an error "Invalid attempt to call Read when reader is closed." When i gone to the online help i got the message as follows "System.InvalidOperationException (.NET Framework 4)The exception that is thrown when a method call is invalid for the object's current state. InvalidOperationException is used in cases when the failure to invoke a method is caused by reasons other than invalid arguments. For example, InvalidOperationException is thrown by IEnumerator.MoveNext if objects of a collection are modified after the enumerator is created, or ResourceSet.GetString if the resource set is closed before the method call is made. If the method invocation failure is due to invalid arguments, then ArgumentException or one of its derived classes, ArgumentNullException or ArgumentOutOfRangeException, should be thrown instead.[code]
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Apr 29, 2011
I'm trying to make a simple User control that houses one collection of a class that I've made. After building the control All works as planned and then randomly when I try to go to the design time interface for the form I placed the control on I get an error page with the following:
To Prevent Possible data loss before loading the designer, the following errors must be resolved:(ignore and continue: which about half the time works and the control shows up and the other part of the time all of the controls on the page are missing)
The one error is the following:Object of type'System.Collections.Generic.List'1[StaticGraphPlot.clsStaticCurveData]' cannot be converted to type System.Collections.Generic.List'1[StaticGraphPlot.clsStaticCurveData]'.
[Code]...
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Nov 25, 2011
I want to add a List(Of Book) property to my user control. I defined a Book class and BookCollectionEditor class for CollectionEditor. And also I defined a public property named BookList for my user control. For a custom control it works fine but for user control, the designer does not display my property. On markup I can add a Book item but on designer it gives error: "Type 'System.Web.UI.UserControl' does not have a public property named 'BookList'."Isn't is possible to define a list property for a user control?
<TypeConverter(GetType(ExpandableObjectConverter)), Serializable()> _
Public Class Book
Private _name As String
Private _author As String
[Code]...
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Sep 4, 2009
we are making our program in other computer it runs, without errors, but then when we transfer the program to another computer it has an error that says
An error occurred creating the form. See Exception.InnerException for details.The error is: Request for the permission of type
'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
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Oct 22, 2010
I am basically using a user control for the first time, so hopefully it's just a dumb mistake.I have a simple user control
<UserControl x:Class="TestProject.WebApp.myUserControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
[code]....
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Dec 18, 2009
Option Strict Off Option Explicit On
Imports Microsoft.VisualBasic
Imports System
Imports System.Data
Imports System.Data.OleDb
Imports System.Data.DataSet
[Code]...
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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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Apr 7, 2011
What I have is a user control that has two RichTextBoxes. In the user control, there is RichTextBox1's TextChanged event, I want it to set RichTextBox2's Text to the same as RichTextBox1's Text, I'm currently using: RichTextBox2.Text = RichTextBox1.Text. The user control is on the main form, when I run the application and type I get this error: StackOverflowExecption was unhandled. [Code]
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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 3, 2009
My.Computer.FileSystem.DeleteDirectory("folder location here", FileIO.DeleteDirectoryOption.DeleteAllContents)
I created a program which was deleting a particular directory for me. The program was compiled and working. Today I run the same program...did not do any system updates and now it won't delete my specified directory. I ran tests to make sure the directory is there when testing...I keep getting access/permission errors.
I rebooted system, ran my application...still gave me error. I turned off Windows Defender...still got error. If I manually delete the directory...no problem.
Is there a way to get system permission to delete the directory? I am being given an 'access denied' error...I do not have permission. I tried running my application as administrator...no good. - VB 2008 Express - VISTA OS
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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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