Unknown Error Causing End Result To Be Incorrect
Mar 15, 2012
I've been programming a game recently and didn't want to make 99 weapons manually. I've tried making a loop do this for me. I've got the loop working, everything is perfect. But when I run the program and list all the Weapon(x).Name [x being any value between 0 & 99] they are all identical... HOWEVER. If I single step through the code it lists all the names from 0 to 99 perfectly fine. Why is it that single stepping through it produces what I want?
Private Sub CreateWeaponList()
Dim StatName(4) As String 'Creating 4 pre-made names for weapons
Dim WeaponName(4), RandomWeaponName As String 'Creating 4 more pre-made names for weapons
For x = 0 To 32
Weapons(x).Type = "Sword"
[Code] .....
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Nov 15, 2010
I have queries using microsft access 2007 and vb.net. If I tried to execute it in microsoft access manually then the result was fine. But using code in vb.net I the result I've got was all the same
[Code]...
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Nov 23, 2009
System.InvalidOperationException was unhandled.
An Error occurred creating the Form. The error is: The Parameter is incorrect
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Oct 22, 2009
Using Access 2003 and VB code, I have created a form with a number of labels. The labels will display an employee's names. I have named the labels name1, name2, name3...etc. Using an ADO data set and DCount I have determined the number of names in an Access table (the number of names can vary). What I want to do is for each record in succession to pick the first name and surname from the data set , combine them into a full name (this part has been successful), and then set the full name into the label caption in succession. Example: full name 1 into name1, full name 2 into name2, full name 3 into name3... until all names appear as labels on the form.
I created a counter to and a variable to increment the label number but when I address the caption property of the variable containing the new label (e.g. name1, name2..etc.) it throws an errer at runtime. Here is the code:
[Code]....
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Oct 11, 2011
I am currently programming a complicated inheritance structure for an Insurance Application. One DLL has classes that can be used and inherited from. DLL Two has Classes specific for our Auto Line of business, however when i attempt to use Object 2 from a Web Application it errors out because one of the classes is ambiguous because it appears that DLL Two inherits a class from DLL One which appears to pull in the entire inherited class. Since the Web app has a reference to both DLL One and Two, One has the class, Two seems to also have it and so compilation errors out with an ambiguous class in the same namespace.
To attempt to get more specific ill try a quick run down.DLL One - PGPolicy.dll contains standard classes with properties and methods needed for every line of business such as:
Policy, Name, NamedInsured, Unit
DLL Two - PGPolicyAuto.dll contains the following Auto specific classes:
Vehicle Inherits from Unit
Driver Inherits from Name
Since PGPolicy.dll contains classes needed by all lines of business and PGPolicyAuto.dll has more specific classes for the Auto line of business, the web application references both of them. The problem is that since Driver inherits the Name class, it appears to create a Name class in the same name space that the PGPolicy.dll has the namespace in, which gives me an Ambiguous class "Name" in the PG.Policy Namespace.
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May 4, 2010
What I'm trying to do is build 16 forms dynamically at runtime (all will be identical). These 16 forms each will display a camera, which is using an ActiveX control made by a 3rd party. I am able to create the forms correctly and provide all necessary parameters for each control, but since I have to declare my own AddHandler event which checks if the camera connected, I need to somehow reference the ActiveX control at runtime, but I can't tell it which form it's on because it says it's not declared.[code]...
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Feb 21, 2012
I have a project in VSTO/VB using a BackgroundWorker that works fine. It is a form that calls for a web page of information. The web page can take a while, so I have the form calling with the BackgroundWorker.I then have an Excel Addin project that has added the BackgroundWorker project. When I call up the form from the Excel Addin project and use the BackgroundWorker to request the web page, it grabs the web page ok. But the work done upon completion, during the BackgroundWorker1_RunWorkerCompleted method, is resulting in an error message:
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Apr 23, 2009
I create an empty boolean array check_state(), and then if a condition is met later in the script, I redim it and save a list of check box states as booleans into the array, and later check the array values, but I can't work out how to do this without causing an error if the array was not defined to begin with
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Oct 13, 2010
I am trying to develop a web application to populate data to three datagrids(datagrid control) using 2003 version, each datagrid has three columns and about 10,000 rows. The problem I got is it only allow load data once, whenever I changed the setting and reloaded data, the Page Can Not Be Displayed error will popout. I tried to remove one or two datagrids, it would allow populate data few more times, eventually will error out.
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Apr 22, 2010
A developer has created a custom control in ASP.NET using VB.NET. The custom control uses a repeater. In certain scenarios, the rpt_ItemDataBound event is encountering a data error. My goal is rather than having the user see the yellow screen of death, give the user a friendlier error explaining exactly what the data error is. I figured I would be able to use a Try/Catch block as shown below throw the exception, however, it appears that the event has nowhere to be thrown to and stops executing at the "End Try" line.
Protected Sub rpt_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.RepeaterItemEventArgs) Handles rpt1.ItemDataBound, rpt2.ItemDataBound
Try
ProcessBadData...
Catch ex As Exception
Throw ex
End Try
End Sub
In VB.NET, I can find where the repeater's DataSource is being set, however, I can not find a DataBind event. How I can capture the exception in this ASCX control so I can report it to the user. The stack trace looks like this. There is another repeater within the repeater that is actually causing the error (rptOther) and I'm able to catch the error, but I can only throw it to the rpt_ItemDataBound. How rpt_ItemDataBound is getting called without a DataBind event.
at Company.WebForms.Control.rptOther_ItemDataBound(Object sender, RepeaterItemEventArgs e)
at System.Web.UI.WebControls.Repeater.OnItemDataBound(RepeaterItemEventArgs e)
at System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem)
at System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource)
at System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e)
at System.Web.UI.WebControls.Repeater.DataBind()
at Company.WebForms.Control.rpt_ItemDataBound(Object sender, RepeaterItemEventArgs e)
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Mar 25, 2010
When my form is loading, it executes a Method called populateListBox().As the ListBox is populated, it inevitably triggers ListBox.SelectedIndexChanged, which triggers this
Private Sub lstLabels_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lstLabels.SelectedIndexChanged
Try
buttonCheck()
Dim pathText As String
[Code]...
If I stick the Try...Catch in, allowing it to bypass the error, everything loads fine and when I double click an item in the ListBox, I have a MessageBox setup to show the SelectedValue, and it works fine (it shows a number like it should). Even if I put a MessageBox in the SelectedIndexChanged event, I still get the same error on the MessageBox line during the loading of the form.
Is this because the form is not fully loaded that I get this error? And what would be the proper way to handle this? I need this code in the SelectedIndexChanged for when the user selects a new item, so how do I keep this error from happening (or maybe even the event from triggering) during form load? Because I'm sure having a Try...Catch is not really an accepted form of "fixing" an exception; it's just ignoring it.
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May 9, 2012
I have the code below giving me grief because it gives unknown error (0x80005000) when trying to add a user to a second group[code]...
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Sep 23, 2010
I have a program which use an API. One of the functions of this API has threading.Once I start this function. It will continue reading data and once the data is found, it will pass me the data to a function let's say functionnd I call a delegate functionB from this functionA.And at some point this functionB throw me an error of "Collection was modified; enumeration operation might not execute.".Does anyone know what this mean?I google it and found that this error was caused by "For Each or For" loop.But in my program I don't have any for loop.
VB.Net
Public Sub ReadTag(ByVal sender As Object, ByVal e As TagReadDataEventArgs)
Try
[code].....
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Jul 14, 2011
I have the following LINQ query:
Dim find_id = From p In dbContext.Residents _
Where p.person_name = occupant _
Select p
I then pull the first returned ID like so:
Dim building_id As String = find_building_id.FirstOrDefault.id
This works fine, except with the person has a ' in their last name, like M'arta. In this case I get a NullReferenceException.
Okay, the problem appears to be that when I am capturing the name initially from a GridView it is inserting into the value a #39 instead of ' and then LINQ is keeping things correct, so I end up with a non-match since it is attempting to match:
M#38arta = M'arta
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Dec 13, 2011
I have a project in VB 2008 Express, and I made a foolish mistake of assigning a string setting (ie my.settings.mystring) a very long string (the contents of a 115kb text file). After that the compiler threw an error and closed the IDE, now everytime..I open the project to try and get rid of the string the IDE throws an error 'system out of storage...' (my laptop has 4GB memory, ~100GB free hdd space) and promptly closes.
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Sep 23, 2011
when I clicked the send button it would work, but if you tried to hit enter it would just do a postback to the same page. Yesterday I thought I finally got it so it would work on chrome (it has been working just fine on firefox, but breaking on chrome/safari and it is an app for the iphone). But, even though I finally got it so it would change pages, it is now displaying an error. I narrowed down the cause to a postback that is being called right before the postback I want is being sent which is then cancelled. I assume the cancelled postback is blank because the problem I was having was the page would do a blank postback.[code]
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Apr 8, 2011
Dim rp As New ReportDocument
Dim myData As New MyDataSet
Dim dt As New MyDataSet.UserDataTable[code]....
When setting the datasource It comes up with an error:Unknown Database Connector Error.....Error in File C:DOCUME~1A_RAHN~1LOCALS~1Temp1Report {832105B2-2E31-4018-9761-77581CC86142}.rpt:Unknown Database Connector Error
I created that report by Crystal Reports 2008 Stand-alone IDE rather than generating it in VS2010 IDE and it is binded to that dataset dutring the crystal report wizard.
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Apr 10, 2011
I keep getting the following error when I try to add new record into database (Access 2007)"The INSERT INTO statement contain unknown field name:'login'."I dont know whats wrong as the coding looks fine and the field login does exist in the database. Spent whole day trying to find the solution,
[Code]...
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Dec 21, 2009
When opening an SQLite connection, I get the following error: Here is my complete code:
[Code]...
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Jun 16, 2010
We have a windows services created in .Net and it was working well. Suddenly it created the attached error and it shuts down the system. We are writing log files also and No error found in log file also
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Jul 8, 2009
I have a problem with this visual basic statement every time it runs it gives me an error saying: incorrect syntax near? ive checked i a lot of times and i still cant find the problem.. heres the statement:
Sub InsertNewRecord()
Me.Text = "Inserting New Record"
Dim cmdInsert As New SqlCommand
[Code]....
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Jun 2, 2009
I have the following query that executes when my form loads. It's the rowsource for my combo box. The query is fine and populates the combo perfect, however, when i click into the combo box I cannot click out of it or even close the form. I have tried taking out the line of code that fills the form via table adapter on load and it works fine (opening the form unbound by the main table). Has anyone run into this before? I have another combo box on the form setup the exact same way and this is not happening. I've experimented with different datatypes etc....
code to populate combo box:
Public Shared Function LoadCallSource() As String
Dim sConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and Settingsdiw07My DocumentsDaily Backupsphone memo backend.mdb"
[code]....
If I take out the line
Me.MemoTableAdapter.Fill(Me.Table_Memo.Tables("Memo"), intMemoID)
The Combo boxes do not act up or "Lock"
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Apr 20, 2009
I have a Linq-to-SQL class diagram in my web application containing the two tables in my database (held in a DBPro database project in the same solution). All was working fine yesterday. I start doing some work tonight and note that the solution compiles fine in Visual Studio, but when I run the web app I get a compilation error:
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: BC30002: Type 'FrostAlertDatabaseDataContext' is not defined.
[code]....
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Feb 10, 2012
I've got a GridView. My SelectCommand in the code works if I copy and paste it into SQL Server Management Studio. It executes fine.If I run the page and click Edit for any row I get the error:
"Incorrect syntax near the keyword 'IS'."
I've tried to see what's going on using SQL Server Profiler. Here's what the SelectCommand looks like and what SQL is receiving...
SelectCommand from supplies.ascx
SELECT some stuff FROM here WHERE (this IS NULL) and (that=1) ORDER BY this DESC
SQL Server Profiler reports
SELECT some stuff FROM here (this IS NULL) and (that=1) ORDER BY this DESC
I didn't put any code here because I'm not really sure what would be relevant and didn't want to load up the post with unnecessary lines of code.
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="fldSupReqID"
DataSourceID="SqlDataSource1"
EmptyDataText="There are no data records to display." AllowSorting="True"
[code]....
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Aug 1, 2010
I am trying to create INSERT SQL using WHERE syntaxing in order to ensure no duplication with the SQLCMD.PARAMETER but the WHERE clause generate this error message:Incorrect syntax near the keyword 'Where'.
Here are the coding:
Dim strSql As String
strSql = "Insert into tblCustomers "
strSql &= "(CustomerID, ContactName,Address,City,PostalCode,Country)"
[code]....
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Aug 1, 2011
i am having an sql query in catch block. the code is:
Dim str_exception
As
String = ex.Message
Dim sql5
As
[Code]...
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Jun 20, 2011
cmd = New SqlClient.SqlCommand("select(pname,MRP,rate,dis) from stock_table where pid = '" & Val(ComboBox1.Text) & "'", con)
adapter.SelectCommand = cmd
adapter.Fill(ds1)
I am getting the error in the last line ..
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Sep 16, 2010
I'm developing in MVC2 using VB.NET and MySQL and ran into a problem trying to convert a simple SQL query to LINQ. SQL Query:
[Code]...
Looking at that query its easy to spot whats causing the error. Simply, the most inner query only returns 2 columns, while the query right above it is trying to SELECT 3, thus the Unknown Column Error. So why is this happening? What is wrong with my LINQ query?
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Apr 16, 2011
I am having a dataview based on a datatable. when i am trying to insert the values into database table, i get an "Incorrect Syntax Error Near =". What could be the reason? Since this error is an sql based error, should i look for the root of this issue in Data Access Layer only or elsewhere?
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Sep 18, 2011
I have recently downloaded and installed VS2010 evaluation copy. I loaded a VS2002 programme I have been working on and until today it compiled and ran fine. Now I get this error. "Error while trying to run project: Unable to start programme "c:CreateF1ScreensinCreateF1Screens.exe.
This application has failed to start because the application configuration is incorrect. Review etc etc"
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