Dataset Designer Hangs?

Nov 10, 2010

When using the Dataset Designer in VS 2010 I add a new query.It adds with no issue.Add another,starts to hang. Add another and now it can hang for hours.I use task manager to kill VS 2010 after 30 minutes.Go back into the same table adapter query, modify it, save it.Works in seconds.Add another query, hangs, hangs, hangs.I have seen posts about this going back to VS 2008.I have No Add-Ons loaded, what is causing this issue??

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IDE :: "Edit Dataset With Designer" Window Hangs In VS 2008?

Sep 29, 2010

Editing a Visual Studio 2008 solution (1 Windows project and 1 installer project) that has been working flawlessly.Recently, attempts to edit the Dataset (add/modify queries) by right-clicking the dataset and selecting "Edit Dataset With Designer" brings up the MyProject_Dataset.xsd window TAB, and initially displays "Please wait while loading..." in the middle of the window -- and then does nothing else.Alt-Tabbing to other apps then leaves "ghost window" stuff displayed where "Please wait while loading" once was... and editing queries, etc., is impossible.Shutting down Visual Studio will enable me to successfully get into the editor once ot twice, but then it locks up again.

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Modify Designer.vb (form Designer) To Remove A DataSet Control From Winforms Windows?

Jan 27, 2011

I am attempting to update an existing winforms application, that was created with a dataset control on all the winforms pages. I have ported it from VS 2008 to VS 2010 and I need to update the database section and connect it to the SQL backend using traditional code method.In the Solution explorer, when I click on the Dataset files, and click "Exclude From project" I am unable to build the project.Is it advisable to comment out the code lines that refer to the dataset in the .designer.vb files?

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IDE :: DataSet Designer And Database Changes?

Oct 21, 2009

It seems that there is no way to preserve changes to a DataSet made with the Designer when there is a change to the database. The only way to get the Designer to rescan the database to incorporate a change is to delete the DataSet and then recreate it. This of course blows away all the mods you've made in the designer. There should be a way to have the Designer rescan the database while preserve all the mods that have been made in the Designer. Otherwise the Designer is essentially useless after the initial generation of code. What am I missing?

As a workaround, I tried incorporating the changes to the database by making the same change in the Designer rather than recreating. However, clearly no one tested this is it only partially regenerates the code based on the change. Try changing a field from nulls not allowed to allowed. This works when you add data to the DataTable, but bombs as soon as you update the database, because the DataSet code does and the database code doesn't get regenerated.

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OutOfMemoryException With DataSet Designer

Jan 10, 2012

I have a windows form application made in Visual Studio 2010 SP1 Rel. I'm using SQL Server 2008 R2 for my database. I've been working on this project for a while now and I am almost completed with it. I recently had to add a field to one of my tables in my database, which hasn't given me much troubles in the past as I've had to do this before. To make sure I did it properly, I'll tell you how I added the field. I went to my database on my server and went to my table, tblOrderParts. I right clicked, and went to design. I added a field, Order_Delete, which I made a bit field so I could use a checkbox. When I went to my dataset designer, I used the wizard to add the field to the table in my program.

After I added it, I remembered that one of my forms was using a view I had created with that table that would need the checkbox as well, so I went back into SQL Sever to add that. Added in SQL with no problem, but when I went back to Visual Studio's dataset designer to add the field to my view, it won't allow me. I open the wizard, go to my view i created, vwAllOrders, and checked the box next to it. When I press Finish, though, I get, "An exception has occurred while attempting to set the data source generator property." I had to cancel out of the dataset wizard cause it wouldn't let me continue... even if nothing was changed.

Now it is also showing me an error in the Error section saying,
"Custom tool error: Failed to generate code. Exception of type 'System.OutOfMemory' was thrown."

Now that I've said the error, here's what I'm thinking is going on... Something must be wrong with the custom tool on my dataset. The tool name is MSDataSetGenerator. I went on more forums, and a couple mentioned trying to restart the custom tool by right clicking the dataset and going to "Run custom tool.' When I run it, it gives me another error. Not much different, but still different in wording.

The error it pops up say
"The custom tool 'MSDataGenerator' failed. Exception of type 'System.OutOfMemory' was thrown."

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Changes To Dataset Are Not Appearing In .designer.vb File?

Jul 4, 2010

However, now when I open it in design view and add a new tableadapter I now cannot reference the new objects from the code. Likewise if I delete one of the existing tables in the dataset, it still appears to be there from the code (ie in intellisense)Similarly, when I examine the .xsd file, the changes I've made i the designer appear, but the changes are NOT happening in the dataset.designer.vb file. It's as if the two files are somehow out of sync

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Dataset Designer - 'End Sub' Must Preceded By A Matching 'Sub'?

May 22, 2010

VB.Net 2010 Express - AMD Phenom II X4 - 8g ram There are times when I debug the app that I get the 'End Sub' must preceded by a matching 'Sub' error. This usually happens after I make a change to the table adapter query in the dataset using the designer.

If I dblclick on the error it opens the dataset.Designer.vb and shows the error in question.

First, I have made NO changes to this file manually Second, when looking at the code in question, it actually appears there is nothing wrong with it - yet the compiler thinks there is.

This appears to be a VB.Net 2010 IDE/compiler bug Now, I can resolve this error by re-opening the dataset, configure the Fill query, click Finish (not making any changes - just clicking Finish), and then save and close the dataset.The error goes away then, but I shouldent have to go through all that; especially since my query was fine to begin with.

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DataSet Designer / Auto Add Columns

Sep 22, 2009

in my VB.Net application I've created a Dataset that call an existing MS SQL Server stored procedure but after the wizard close no columns where added... how can I add all the columns returned by the stored procedure without adding them manually (off course the stored procedure might change in the future) in which case manually will not work.

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Dataset Designer Being Extremely Slow

Apr 17, 2009

I have a dataset with around 15 table adapters. Everytime I make a change, such as add a column, change a type, or just anything, it takes around 3-4 minutes before studio responds again. The processor and ram are in good shape, but there is a spike in network usage by devenv during this time. In fact, devenv has the higheset network usage all together, even with with IE open and browsing. Why would this be and is there any remedy?[code]...

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DataSet Designer Stops Drawing Itself

Feb 24, 2011

The DataSet designer will stop refreshing itself every now and then in VS2008. This means I cannot work with my DataSets until I restart VS. There is a more detailed explanations in

this thread, but it was incorrectly marked as answered. This issue is taking more and more of my time though, so I'd like to get another answer now.

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IDE :: 2008-not Installed Dataset Designer

Jul 8, 2011

I would like to know where the dataset designer is obtained for a vb.net 2008 appliocation I need to work on. Is this part of the initial install for visual studio.net 2008. If so, what part of the initial install will I find the dataset designer? Is this a plugin that needs to be downloaded? if so, what URL do I need to use to obtain the plugin?

[Code]...

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Organize XSD Dataset Layout In Designer?

Jul 22, 2010

I've got several pretty massive dataset's with a lot of tables/relations in each.I've came in this morning and one of the datasets has sorted itself into a very readable Vertical form with all relations and tables displaying perfectly readable.Is there a command to "Arrange" the layout of the tables?

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IDE :: VS 2008 Dataset Designer Corruption On Saving

Apr 16, 2009

Ok i have an issue that i have reported before but never had a satisfactory result to so time to try again. and im just about ready to throw this whole visual studio nonsense in the trash, ive wasted god knows how many hours on this now. I have a medium sized VB.net (2008) project, which has around 50 Datatable adapters that i have setup in the dataset designer, and are all workign perfectly well.

[Code]...

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Dataset Designer Generated Code Syntax Error. Bug?

Jun 1, 2010

I'm using VS2008 and SQL CE 3.5, building a smart client app. When I add a table adapter with this code:

UPDATE feeders
ET planningAreaID = @areaID
WHERE feeders.transformerID IN

[code].....

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DB/Reporting :: Changes To Typed Dataset Not Seen In Windows Form Designer?

Nov 19, 2008

I have a typed dataset with table adapters. I use this method because it makes it easier to design the layout of my DataGridView.The problem is I have added a new table to my dataset. When I go to the "Data Sources" list view, I can see the new table.However, if I add a new DataGridView to my form then attempt to bind it to my new data table, the table will not show up in the list of tables for that dataset.

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Implement Wizards Designed Dataset In MVC Designer Pattern?

Nov 8, 2009

I have written this code implemeting MVC design pattern.... for simplcity... i have create Model with BLL having a two classes Employee and Designation and i have created the DAL using the Dataset designer tool....thus i've implemted all relationship bewteen the two tables Empoyee and Designation connected to each toher using field EmpIndex.

In MVC design pattern i should return objects to the controller (in this case i used only the view- win form) becuase of my Designer created DAL i cannot return objects of Employee and Designation to the View... this is becuase in BLL: the following method

Code: public TestMVCWithDataset.TestDataSet.tblEmployeesDataTable SearchByIndex(int iEmpIndex) { try { empAdapter.Fill(dtEmployees, iEmpIndex); return dtEmployees; } catch { throw new Exception("Employee not found!"); } }

[code]....

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Reference Access Database DataSet Designer File In WPF?

Mar 22, 2009

I've included an MS Access database in my WPF VB app, and I'm trying to link the data to an XCEED Datagrid. I have the following code in my testerDataSet.Designer.vb file which I assume is the funcion I should be referencing

Public ReadOnly Property Contact() As ContactDataTable
Get
Return Me.tableContact
End Get
End Property

I'm trying to get it to fill my datagirid using this
<Grid.Resources>
<xcdg:DataGridCollectionViewSource x:Key="cvs_contacts" Source="{Binding Path=Contact, *Source={x:Static testerDataSet}*}"/>
</Grid.Resources>
[Code] .....
What I'm trying to achieve is for the datagrid to display the data in the Contact datatable.

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Convert A Qry Made In Query Designer To Vb Link Over Sql Dataset Syntax?

Sep 22, 2010

I used the query designer to create a qry from a datagrid view in vb2010 express, the idea was to work out which diver logged the most minutes in the water. here is a copy of the sql syntax:

SELECT MemberID, Name, SUM(DiveTime1) AS D1, SUM(DiveTime2) AS D2, SUM(DiveTime1 + DiveTime2) AS s1
FROM Triplog
GROUP BY MemberID, Name
ORDER BY s1 DESC

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DataSet.Designer.vb Curious Code Causing System.InvalidOperationException?

Mar 3, 2012

I'm using a DataSet to interact with an accdb file in an application. While debugging, the app occasionally closes, without warning and returns the stack below. The code causing the exception is in the DataSet.Designer.vb file (automatically generated). What's curious is the line that reads:

If (previousConnectionState = Global.System.Data.ConnectionState.Closed) Thencommand.Connection.Close()End If Why would the code try to close an already closed connection?I just change the "=" to "<>"? Will it stick? (since it's auto-generated, I'm sure it will revert if I modify the dataset, right?)

[Code]...

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Selecting A Particular Query In The Dataset Designer To Be Used In The Fill Method Of The Table Adapter?

Mar 1, 2012

I created a new query in the dataset designer. There are now 2 queries there. The original one and the new one.I also added named parameters in the Where clause of the 2nd query.This is the query in the new one:

SELECT ID, FatherName, MotherName, EmergencyContactName,
EmergencyContactRelationship, Address1, Address2, City, State, Zip,
PrimaryPhone, SecondaryPhone, Emaile.

[code].....

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Error - It Complains In The "Designer" That "Type 'namespace.dataset' Is Not Defined"?

Apr 29, 2010

In a VB.NET Windows form, I have a form named "form" I got this error in the form.Designer.vb whenever I assignt a data bound to a control. It complains in the "Designer" that "Type 'namespace.dataset' is not defined". The dataset is attached to the form in the design mode when I assign a data bound to a control to the Windows form and it generated the code to the "Designer" page. I can go to the "Designer" page to remove the "namespace" of the dataset and the error disappear. However the namespave re-appear to the dataset in the "Designer" page once I open the Windows form in the design mode.

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The Last Change Wasn't Successfully Persisted.Please Shut Down The Running Application. Sending Message To Designer Failed.Designer May Not Be Running.''?

Jun 4, 2011

what account for this error message in ls beta 2?'' The last change wasn't successfully persisted.Please shot down the running application.

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IDE :: VS 2008 IDE Form Designer Will Not Render Form In The Designer?

Mar 30, 2011

My self and most everyone else on our team is having the same issue with VS2008. The designer will not render many forms in designer mode. Currently I am getting this error "The type 'Team.CAD.UI.My.Resources.Resources' has not property named 'view_16'" Well veiw_16 is in the resouces file.

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.Net BackgroundWorker Hangs Up?

Mar 21, 2011

I have limited experience in VB.net and have become stuck. I have tried to search for answers on other threads without success.I have an application that displays real time data.Queries are made to a MySQL database on another PC over the internet every 10 seconds to gather the most recent data.I have done the query within a BackgroundWorker so that the GUI is still responsive while the query is answered.What I've done works great for several hours or maybe for a couple of days but then the DoWork task appears to hang.

The code I'm using is to run the background worker is:

vb
If Not(backgroundWorker1.IsBusy) Then Me.backgroundWorker1.RunWorkerAsync() End If

The backgroundWorker runs just once and there's very little code in the DoWork routine:

vb
Private Sub backgroundWorker1_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles backgroundWorker1.DoWork rs = New

[code].....

Is there anyway I can set up a timeout on the maximum allowed time that the DoWork task can be active for? And if so how would I then go on to stop the backgroundWorker?I understand that CancelAsync isn't going to help as my DoWork task is not repeating as it runs once only, then stops and 10 secs later I run it again.

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IDE :: Build Hangs In VB

Dec 6, 2011

When i try to build a project, vb hangs and displays this message in the notification area Microsoft Visual Basic Express 2010 is Busy. i have to end up using Task Manager to end the process i have been using VB Express for about a year and have never had this problem. i have tried to re-install VB 2010 express, no joy.

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OpenFileDialog Hangs Used Once?

May 26, 2012

ApplicationName has stopped workingA problem caused the program to stop working correctly.Windows will close the program and notify you if a solution is available.

Here is my code:
Private Sub OpenFile()
Dim OpenFileDialog As New OpenFileDialog

[code].....

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.NET Application Hangs When Calling DLL

Dec 28, 2010

Its been running in production for over a year and this is the first time I saw this behaviour. The application is a VB.NET Console Application which is triggered by MQ server. This application uses a class library which is part of the same project(Say 'abc.dll'). In production around 40+ instances of this exe are running and all of them use the some of the functions from 'abc.dll'.

Last week, we noticed that all the 40 instances were shown to be running in the task manager but they were not doing any activity. There was no exception thrown or error logged in Application logs or System logs. To frantically debug the problem, I tried isolating the problem.

With all these 40+ exes hung up, I wrote a small aplication which would use a reference to this 'a.dll', create an object of one of the classes in that dll and execute a method in there. I was printing console.writelines in between to see to which point it gets to before erroring out.

To my surprise, I found that at the point where I was creating an object of a class in 'a.dll' this sample test application would also hang just like the others. No exceptions thrown. So I killed all those applications as a last resort and then when I restarted all of them, everything worked fine.

I couldn't find any explanation for this behaviour. Since it was a critical error affecting a production system(blanking out the application for 3+ hours), I have to give a very good explanation as to why this would occur. how it can be prevented in future.

(Side note: the servers running these appilcation do not have a maintenance schedule and are supposed to be up for couple of months together.

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FTP Upload Works But Hangs

Jan 12, 2011

I have this code to upload to a ftp server. It works but the problem is it freezes the program and sometimes you can end up waiting for long time and not even know its working.
Code:
Dim clsRequest As System.Net.FtpWebRequest = _
DirectCast(System.Net.WebRequest.Create("ftp://" + txt_ftp_username.Text + ":" + txt_ftp_password.Text + "@" + txt_ftp_server.Text + ":" + txt_ftp_port.Value.ToString + "/" + txt_ftp_dir.Text + "/" + txt_ftp_name.Text), System.Net.FtpWebRequest)
[Code] .....
Can this code be modified so that it will run without freezing the program and then just add a button labelled "STOP" to stop the ftp connection/upload?

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Hangs When I Switch To Design ?

Aug 21, 2009

I have downloaded SP1 and installed it,I have an applciation with 10 form and numerous classes and dialogs. When I right click a form in the soultion Explorer window and choose view Designer VS hangs for anything upto 10 mins. Is there anything that I can disable/ enable to stop this hapening. The only Language that I will be developing in is vb.net.

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IDE :: VS 2010 Debugger Hangs (VB)?

Oct 3, 2011

Im developing several applications under Visual Studio, and now have a real nightmare in hands. When i start to debug, VS hangs completely. Windows allows me to start task admin, and close the "devenv" process.I have serious problems here. I need to deliver my projects before the deadline!

Win 7 Pro 32 bits, VS 2010 SP1, running on HP computer based on Intel i5, 4gb ram. everything works as intended, except VS. When debug crashes, the devenv process uses about 25% of CPU and 250~400Mb of ram.

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