Error: A First Chance Exception Of Type 'System.InvalidOperationException' Occurred In System.Data.dll

May 5, 2011

I am using VS 2008, Office 2007, and Win7 Home Premium on my system.I have a simple application which should be a breeze to build. All I am attempting to do is pull data from an Access database with four small tables into a data grid on a windows project. Should be simple, set up the data connection, choose a datagrid from the table in the data source view, drag it onto the page and done, right?I can't get it to work. It will all work fine until I attempt to run or debug the project. The data will not show up. The data grid does, but I get this error: A first chance exception of type 'System.InvalidOperationException' occurred in System.Data.dll

As I said, the project seems to build fine, but it will not pull the data. After the initial build I get the message that Windows will show this page in Compatibility View. Is it something with Win7 Home Premium, or a setting somewhere?

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VB 2008 Dataset Error : "A First Chance Exception Of Type 'System.InvalidOperationException' Occurred In System.Data.dll"

Sep 27, 2008

I am trying to perform a simple bound connection between an Access database and a text box on a form. This is actually Chapter 18 of the "Microsoft Visual Basic 2008" book.I get the same error message when trying to create my own project "MY ADO Form" or the "ADO Form" project supplied from the DVD provided with the book. I am running the 90 Day Trial Version of Visual Studio 2008 with SP1 and Net 3.5 SP1.

My operating system is the 64 bit Version of Vista with all updates.The error when I try to run the application in the debug mode is:"A first chance exception of type 'System.InvalidOperationException' occurred in System.Data.dll"and as a result no data shows up in the text box from the database and the data selection bar is grayed out in the form. The underlying database "Students Data Set" appears to be fine as I have seen the correct data for the fields "Instructor" and "PhoneNumber" prior to running the program and when connecting with the database.

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A First Chance Exception Of Type 'System.InvalidOperationException' Occurred In System.dll

Jun 11, 2009

what does "A first chance exception of type 'System.InvalidOperationException' occurred in System.dll" means? it occur after the bold sentence of my program.

Dim count As Integer = 0
Dim missing As String = "Missing Ingredient:"
For Each strStore In strDownload
If Not strDownload Is Nothing Then

[code]....

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A First Chance Exception Of Type 'System.InvalidOperationException' Occurred

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Quote:

A first chance exception of type 'System.InvalidOperationException' occurred in System.Windows.Forms.dll I found an article that says something about it.

Quote:

If you are using ActiveX controls on a form, you may receive the cross-thread InvalidOperationException when you run under the debugger How can I add text to my control from this event?

Code:
Private Sub oView_SW_OnFinishedLoadingDocument(ByVal sender As Object, _
ByVal e As AxEModelView._IEModelViewControlEvents_OnFinishedLoadingDocumentEvent) _
Handles oView_SW.OnFinishedLoadingDocument
Dim nSheet As Integer = 0

[code]....

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I've spent a substantial amount of time trying to figure this out, but I keep getting the same error

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This happens when I try to use the DataReader.my code is

Public Function Identification() As List(Of Integer)
Dim returnIndex As New List(Of Integer)
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[code]....

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[code]....

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A first chance exception of type 'System.Reflection.TargetParameterCountException' occurred in System.Windows.Forms.dll

The code that is cousing this error is:

Private Delegate Sub ShowcardDelegate(ByVal test As String, ByVal objtest As Object, ByVal value As Boolean)
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[code].....

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Do While rdr2.Read()
Dim var1 As String = rdr2.Item("Week").ToString
Dim var2 As String = rdr2.Item("L1").ToString
Dim var3 As String = rdr2.Item("L2").ToString



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Interestingly, if I use a numeric value for the variable it for LSArraytemp, it writes to the database no problem at all.

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A First Chance Exception Of Type 'System.Data.OleDb.OleDbException' Occurred In System.Data.dll

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i need to clear this error

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Jan 22, 2009

I am just trying to get the system to open a database and I get this error:

A first chance exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.dll

here's the entire code of the main form
=======================================
Imports System
Imports System.Data
Imports System.Data.SqlClient

[code]....

the error is generated at the open method note* this same code works fine in another computer, the main difference is that this one has a 64 bit OS.

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CODE:

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Here are parts of my

Dim setting As My.MySettings
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[code]....

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[Code]...

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[code].....

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Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

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[Code]...

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get out from the below loop

Shared Function GetIPAddress() As String
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[code]....

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[code]....

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[code].....

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System.InvalidOperationException Was Unhandled The Error Is: An Error Occurred Creating The Form. See Exception.InnerException For Details

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ok so i viewed some other question that are ruffly the same and i am still confused, here is the stacktrace

at Game3.My.MyProject.MyForms.Create__Instance__[T](T Instance) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 190
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[Code]...

also, where is game3.my.myproject, obviously its a line of code but what is it in.

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