Can't Access Indexer Of A Property In .Net?
Feb 25, 2010
I have a property Cmd defined as follows
Private _cmd As ADODB.Command
Public ReadOnly Property Cmd() As ADODB.Command
Get
Cmd = _cmd
End Get
End Property
[Code]...
Can I change my property definition so that the user does not need the parens?
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May 13, 2011
Can I create a class in VB.NET which can be used from C# like that:
myObject.Objects[index].Prop = 1234;
Sure I could create a property which returns an array. But the requirement is that the index is 1-based, not 0-based, so this method has to map the indices somehow:
I was trying to make it like that, but C# told me I cannot call this directly:
Public ReadOnly Property Objects(ByVal index As Integer) As ObjectData
Get
If (index = 0) Then
[Code].....
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Aug 29, 2011
I created an indexer property by typing:Default Public Property MyStuf(ByVal anIndex As Integer) As String
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Sep 24, 2009
start with I was given a program by a friend that was created in Excel 2003 with the help of Visual Basic Editor. He said he used Visual Basic 2003, which he is not 100% sure about. Anyways he used CurLine in the program and when I try to open it in Excel 2007 and then open the Visual Basic Editor and run the program I get the following error:Run-time error '-2147418113 (8000ffff)':Could not get the CurLine property. Unexpected call to method or property access.
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Nov 14, 2011
Using the following code I get Identifier expected and Property access must assign property or use its value errors:
ViewState["SomeKeyValue"]
What is wrong with this code?
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Sep 20, 2010
This code snippet was converted from the c# snippet on this link A ChildWindow management service for MVVM applications There are two classes in this snippet first is my confirmessage class
[Code]...
Now this works fine in C# , however in vb,net the line where I add the event handler generates the following error on the message.callback property : Property access must assign to the property or use its value I am tearing out my hair on this I have never used the Action of T delegate before so could i be missing something simeple ? I can provide the c# code as well.
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Aug 13, 2011
got an ErrorProperty access must assign to the property or use its value.Here i attach the code which have an error.In this program i tried to add data into form . I also create button , textbox. i am using visual studio 2005 and sql 2005. i also have attach the imagece
Private Sub btnregister_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnregister.Click
admin1.LoginDataSet.staff(Me.NAMETextBox.Text, Me.TELEPHONEMaskedTextBox.Text,
[code].....
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Dec 22, 2010
Well in my vb project it has started giving me a really weird error underlining all my msgbox codes for some reason
this is the error Error 83 Property access must assign to the property or use its value. C:UsersAidanDocumentsVisual Studio 2008ProjectsXeX 360 ModzZ B0XXeX 360 ModzZ B0XForm1.vb 56 17 XeX 360 ModzZ B0X
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Apr 20, 2010
I have a property in a class as below:
Public MustInherit Class AddOn
Public Delegate Sub UpdateProgress(ByVal fractionComplete As Double)
Private privateProgressUpdate As UpdateProgress
Public Property ProgressUpdate() As UpdateProgress
[code]....
I am getting the error that "Property access must assign to the property or use its value" in the above code.
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Mar 31, 2011
I find it weird that this error occured when I don't have any properties assigned in the class. Below is my source code.
Public Function GenerateNonContainerReport(ByVal dateFrom As Date, ByVal dateTo As Date, ByVal userID As String) As rptNonContainerized
Try
[code]....
The application is using an xsd file which stores the data tables. Moreover, this stored procedure accepts 3 parameters.
LATEST UPDATE :I got this error "Object reference not set to an instance of an object." I'm now wondering where in the code I did not instantiate.
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Apr 6, 2012
I get this error, "property access must assign to the property or use its value" I am trying to assign values in a texbox and a combobox to a single vaiable but it gives an error. My line of assignment is feditForm.textbox.Text & "-" & feditForm.comboBox.Text = fnum. fnum is the variable which holds the value got from the datagridview cell. it is defined as Dim fnum As String = Me.regFarmGrd.SelectedRows(0).Cells("NUMBER").Value.
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Dec 29, 2009
my syntax
[Code]....
the error display is "property access must assign to the property or use its value"
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Jul 21, 2009
I have got this error and i want to know what property access is, i have deliberately not shown the line of code that it is to do with as i do not want to be given the final answer. I think i understand 'must assign to the property or use its value' does this mean that when setting something the object being set (as i am trying with font stlyle i will use it) font style must be set to bold or italic and then the bold font needs to be put somewhere?
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Jul 17, 2009
I have a program in VB.NET 2005. At some point I have to open an Access2003-Application for getting data in it. I do that by pretending my program is a human user and let it do all the work in Access as a human user would do. Filling Fields, pressing buttons etc. I use the Primary Interop Assemblies for that. So far so good. That code is in use for over half a year now. In the last week I got Office 2007 installed on my machine. Of course I tested the installed version of my program if everthing still works. Every test was succesfull. But if I do the same tests in Visual Studio it always crashes.
All I get is this Errormessage: {"Das COM-Objekt des Typs "Microsoft.Office.Interop.Access.FormClass" kann nicht in den Schnittstellentyp "Microsoft.Office.Interop.Access._Form3" umgewandelt werden. Dieser Vorgang konnte nicht durchgefhrt werden, da der QueryInterface-Aufruf an die COM-Komponente fr die Schnittstelle mit der IID "{66B22FB4-F70E-4F03-A00A-F76E9ADBBF10}" aufgrund des folgenden Fehlers nicht durchgefhrt werden konnte: Schnittstelle nicht untersttzt (Ausnahme von HRESULT: 0x80004002 (E_NOINTERFACE))."}
For all who can't read german:
"Microsoft.Office.Interop.Access.FormClass" can't be converted in to "Microsoft.Office.Interop.Access._Form3" ... Interface is not supported.
Code I use:
Dim access As Microsoft.Office.Interop.Access.Application = Nothing
.
.
.
access = New Microsoft.Office.Interop.Access.Application()
[CODE]...
The Error occurs when I try to access any property of "access.Forms("frmTest")"
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May 31, 2010
For example:
Sub Test()
Dim car as new MyCar
car.chassis.wheel.radius = 15
Console.WriteLine(car.chassis.wheel.radius)
End Sub
So question is. Is it possible to access the property using its string name like
Something("car.chassis.wheel.radius") = 15?
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Aug 27, 2011
Private _Order As Order() Public Property Order() As Order() Get Return _Order End Get Set(ByVal value As Order()) _Order = value End Set End Property
I need to get property name 'color' inside the 'order()' array, i am trying ' Order.color ' but its not getting,
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May 15, 2010
I created a new DataGridViewColumn type called DataGridViewGradeColumn.
Public Class DataGridViewGradeColumn
Inherits DataGridViewTextBoxColumn
Public Property AssignmentName As String
[code].....
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May 29, 2010
I'm fairly sure this is possible, but what I want to do is have a generic method where I can pass in an object along with a Expression that will tell the method which Property to use in it's logic.Essentially what I would like to code is something like:
Dim firstNameMapper as IColumnMapper = new ColumnMapper(of Author)(Function(x) x.FirstName)
Dim someAuthorObject as new Author()
fistNameMapper.Map("Richard", someAuthorObject)
Now the mapper object would know to set the FirstName property to "Richard".Now using a Function here won't work.
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Nov 16, 2010
I have a function that updates a Client in the database. A client object is passed in, along with a string array of fields/properties that should be updated. I need a way of accessing each property in the client object, based on what is in the array. Basically, I am looking for the VB .NET equivalent to this javascript:
var fields = ["Firstname","Lastname","DOB"];
for(field in fields)
{
[code]....
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May 28, 2009
I have a Vb project to which an excel file is added as an item. I would like to access the property (Full path property) of this project item through my form class. The code I have tried to use is as follows:
Dim project As EnvDTE.Project
Dim projItems As EnvDTE.ProjectItems
Dim projItem As EnvDTE.ProjectItem
[Code].....
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May 15, 2012
In Windows Forms (Vb.net) how can I access the properties without instance (new) ?Form1.Property = "" ? the property deceleration is not static? what is called this way of deceleration?While you can't access Class1.Property!
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Mar 25, 2011
(using VB.Net 2008) I'm inheriting from a class, and overriding one of the properties. However, the original property has public get & set, whereas I want to make it read-only in my derived class, because the property in my derived class is already determined by other factors. But it appears I can't change the access level of any overridden method. Is this possible?
The closest analogy I came up with is suppose you have a Person class, with a get/set Address property. Now suppose you inherit Child from Person, and Child will have a new Parent property. Say you want the Child's Address property to be readonly, because it will simply return the address of Parent. Even if you can override the Address property, you can't make the Set non-public. The best I can do is make it throw an exception but that's obviously misleading during design time.
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May 7, 2011
say i have an auto property Public Property P As Integer and everytime I want to read this variable P in a function, i will declare a local variable as such: dim _p = P then read _p instead of P. I'm wondering does it make sense at all? will it actually make things slower (which of course isn't my intention).Btw if we change the question to Public Property P As Object is there any change in the answer?
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Jul 28, 2009
access the property pages on visual studio
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Nov 1, 2010
I'm having some trouble with a class that uses the ToolStripControlHost, I have to create a label and a label beside the textbox, this works, the problem now and I can not access the property. Text of textbox (txt). the class to this:
Public Class ToolStripTextBoxWithLabel
Inherits ToolStripControlHost
Public Event TextoAlterado(ByVal sender As System.Object, ByVal e As System.EventArgs)[code]......
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Nov 27, 2009
Ok i have made, a app in VB , but the problem is i keep getting a build error( ive made this in VS studio 2010 beta .net framework 4.0 if its necessary) its a simple web browser.
------ Build started: Project: WindowsApplication1, Configuration: Debug x86 ------
c:\users\tristan\documents\visual studio 2010\Projects\WindowsApplication1\WindowsApplication1\Form1.vb(33) : error BC30545: Property access must assign to
[code]....
the int is defined but it says it must be assigned to the property, even if i change int = 0 , i get the same error
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Mar 12, 2010
Is there a way for a property to access its own name and type at runtime using reflection? I want to access this info without hard coding the name or index of the property in the class.
Simple Example Code:
Private ReadOnly Property MyProperyName() As String
Get
Console.WriteLine((Get Current Property Info).Type.ToString)
Console.WriteLine((Get Current Property Info).Name)
[code]....
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Sep 24, 2009
My Visual Studio 2008 solution contains both C# and VB.NET projects. From a VB.NET project, how can I access a C# property with its access modifier set to "internal"?
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Jan 16, 2011
I have a simple tabbed Web browser, and at the close tab I receive the message 'Property access must assign to the property or use its value' ... what can I do to make it work?
Public Class Form1
Dim i As Integer = 0
Private Sub Done(ByVal sender As Object, ByVal e As Windows.Forms.WebBrowserDocumentCompletedEventArgs)
TabControl1.SelectedTab.Text = CType(TabControl1.SelectedTab.Controls.Item(0), System.Windows.Forms.WebBrowser).DocumentTitle
[Code] .....
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Sep 28, 2011
can any1 tell me how can i access value of datagridview combo box toassign them to property in form...
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