Tableadapters Are Not Appearing In Toolbox
Dec 17, 2011
I added few new tables on data sheet (file name nwinddata.xsd) but the new added table adapters does not appear in toolbox whereas the old adapters were appearing. I read somewhere and followed their advice to delete the project and re add the project to the solution explorer, did that, now i can't even see old adapters in tool box all gone.When i restored my backup old adapters appear in toolblx but few days of will be lost which i don't want.
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Jul 8, 2009
How to make a autohide toolbox like toolbox in visual studio 2008
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Sep 2, 2011
When a person makes changes on my datagridview and closes it, I want it to automatically go into the database and update in a new column (which is already been created) the text "changed".
Everything in my tableadapters already works. Its just the VB part which I dont know how to call the update command. Here is what I have in my updatedataset().
Private Sub UpdateDataSet()
Dim datasetChanges As datasetTs = New datasetTs
Me.bindingsourcet1.EndEdit()
[Code].....
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Dec 14, 2009
Most of my programs use table adapters, and the connection strings are stored in app settings. This works fine, but was a real PITA when switching from development to production environment. I had to change manually the connection strings before and after starting my work on any app.
After a bit of research I found how to switch connection strings for table adapters dynamically. By simply adding a custom property for connectionString, I was able to acheive this. But I still have to add code in the new event for each application so the connection strings get switched when it loads. (My connection strings are kept as an app property setting in a common DLL. I just keep one copy of the DLL with my connection strings locally, and one copy o the DLL with the production connection strings on the production server.)
I'd like to take this one step further and have either have the datasets change the connection strings for all table adapters they each contain when they load using the new event, or do the same from a VB module. I may have up to 3 datasets at any one time.
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Nov 9, 2011
I need some help with correctly implementing the USING statement with strongly typed TableAdapters..[code]How can I use the USING keyword instead of Try.. Finally for the connection object?
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Jul 8, 2009
I need to change the connection string of all tableadapters at runtime, can anyone tell me for the best way to do it?I have a conection string in my settings, that i can't change at runtime (application scope), i could go to dataset.designer and change the value to a new variable but i don't think this is a good method.
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Sep 11, 2011
Cause I just dont get whats going on here. I have a bunch of combo boxes linked to their own Tables in my database, 14 in total. My problem is that only 13 of them work and every one I add after 13 doesnt work for some reason.So I make a ComboBox, press the arrow in the upper right corner and click "Use Data Bound Items", Then I fill in the rest as it should be. But only the "Selected Value" function actually works. I can fill in data to my other tables manually through this ComboBox, but I can not view my Data Source! If I use the same ComboBox and use any other Table it works, but not anything past my 13th table. The BindingSource is there, so is the TableAdapter. If I preview a select quary to the database it works as it should. But for not in the ComboBox!
Its driving me mad, can someone explain to me what might be going on here?
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May 2, 2010
I have read and worked through all of the examples in the book "ADO.NET 2.O", but there is so much there with so many ways to handle data, I am having difficulty translating the examples into my own real life application. I am confused about creating runtime connection strings, connection strings in my app.config file, connection strings in the properties for a sql connection control, etc.
I have a midichildform with a datagridview control, and I use a table adapter to edit and update the SQL Server 2005 Express edition database. There is no problem there. However, I also have a button control that I want to use to "process" the data that has been updated with the table adapter. I want to open the updated table, read each record on at a time, manipulate the data and add a records to another table. Do I have to create a connection string and an oleDBconnection? Or can I somehow use the connection string that is in my app.config file? [Code]
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Oct 3, 2010
i have a problem. I have database with a tableadpater. i want to get the userid with this tableadapter.
Dim dsGN As New ForumTableAdapters.Message2TableAdapter
Dim dtBetrieb As Data.DataTable = dsGN.GetUserIdFromThisMessage(ConversationID)
For Each objRow As dsGN.Message2Row In dtBetrieb.Rows
mystring = objRow.UserId.ToString
Next
i get the error "dsGN.Message2Row is not defined" The Name ob my table in the database is "Message"
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Feb 24, 2009
I'd like to keep all my SQL data related code in a separate class and only have UI related code in my main form. However, the TableAdapters are automatically placed on the main form and, of course, the auto-generated code placed in the Form_Load event.
Obviously, it's easier to keep it like that but is it possible to move them to a different class?
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Aug 3, 2011
I am retrieving data from my database using a TableAdapter. I was wondering if there is some way I can tell (or be informed) that the data has changed and I therefore need to do another Fill? That way I can just Fill on demand rather than every time the user requests to see the information and I am forced to do a Fill before showing the data because I don't know if is current or not. For the record I am using an ODBC connection string to access a Pervasive PSQL database
EDIT I was thinking I could check the last write time of the MKD file to check if this has changed but this doesn't seem to be reliable as it is not written to until the connection is closed. Does anyone know the circumstances when this is written?
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Apr 12, 2012
For some reason I'm unable to set the commandtext of the tableadapter. I have the following code:
'Prepare the sqlcommand
Dim dd As System.Data.SqlClient.SqlCommand
dd = new System.Data.SqlClient.SqlCommand
dd.CommandText = SqlUsers
[Code]...
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May 13, 2011
I was Created TableAdapter through Configuration Wizard , and i applied joins and Filters on the wizard. Finally i am getting the rows which i want, and now one table was created in my dataset.
If i update few records in my database, is there update also in this table?? why b`se this table is not in the Database right?
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Nov 15, 2010
I am using an Access database (mdb file) and for the first time ever I'm connecting to it using a bunch of TableAdapters created in a DataSet.xsd file.I added an Insert query to a TableAdapter, and now I need to retrieve the ID (autonumber) of the last inserted record. Usually, I would send a "SELECT SCOPE_IDENTITY()" query and it would return the ID, but for some reason I cannot get this to work with the TableAdapter.
I tried two methods:1. Add the SELECT SCOPE_IDENTITY() query directly after the INSERT query in the TableAdapter. This method is described in every website I found by googling my problem. Suppose my INSERT query is this:
INSERT INTO Test VALUES("1", "2", "3")
then I should now modify it into
INSERT INTO Test VALUES("1", "2", "3");
SELECT SCOPE_IDENTITY()
I also changed the ExecuteMode to Scalar.
Ok, I run this code, but it doesn't work. It gives me an error saying Characters found after end of SQL statement.Is it because I am using Access and not SQL Server maybe? I dunno... But whatever I try it doesn't work. It's not a spelling error, and I did type the semicolon to separate the two queries so as far as I know it should work.2. Add a separate Select query (selected 'Select query that returns a single value' in the designer) that simply executes this:
SELECT SCOPE_IDENTITY()Then after using the Insert query I can simply call this query method and get the last Id. But unfortunately this doesn't work either. It doesn't even let me add this query in the designer, it says Unable to parse query text.
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Aug 31, 2011
can anyone make a tutorial for a toolbox program like in vb 2008..how to make same like that
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Mar 27, 2011
Running off my laptop: Visual Basic 2010 Express & SQL Server 2008 . I've successfully been able to use the connection wizard to connect to my database in vb.net and read/write data using datasets/tableadapters/binding_source etc.
Now I am trying to create an SQL connection via code to connect to my database to do some more complicated queries. I was successful in being able to connect to my database with SQL, but by doing so it produces an error when it tries to run any .Fill() methods from my TableAdapters below. The error produced is the following: "SqlException was unhandled. Cannot open user default database. Login failed. Login failed for user 'Chris-PCChris'".
If I remove my SQL connection code, the TableAdapter.Fill() methods will work fine.
[Code]...
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May 9, 2010
In VB6 I load a recordset containg all of the records (6 fields per record)in a table into an XArray and then manipulate the records in the array and then write them back to the original table. The array issorted by the first field (1 to maybe 8000 or more) I need to find records in the array by an ID field and then move them (because of some external criteria that happens many times) from say number 400 to number 375. Then all of the other records between 375 and 399 were renumbered up 1 to fill the gaps left by the move.
The XArray worked well as it could find and also move to a next record easily to facilitate the revisions to each record quickly. Everything is done in VB6 in code and nothing visual needs to be shown to the user until say 2000 of these external changes are complete. What is the best, most efficient way to do this in the .Net framework in VB2010. Datasets, Dataviews. tableadapters, arrays. enums ?
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Aug 16, 2010
I start by using the ActiveX controls and access data from an Excel file but all it does is show the excel file and the changes I made The Visual Basic screen does not pop up directly afterwards.The graphics work in other programs.
Dim gphFormGraphics As Graphics = Me.CreateGraphics
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load[code]....
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Nov 3, 2011
I have a problem where a button at the top left of a tab control will not appear in debug or compiled. There is no code telling it to hide.
Now, I can make it re-appear by moving it, then moving it back to the exact same position. If I then re-build it will be there.
It will then be there for a number of builds, at which point it might disappear again. This seems to happen for a few buttons in my project. The common factors are that they are on a tab control (standard dot net ctrl) and near the top left of a tab page.
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Apr 14, 2011
[
Private Sub ExitButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ExitButton.Click
End
End Sub
[code].....
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Oct 6, 2009
I have my software installed on numerous machines and on all but one it is fine, however on this final computer the font comes up very small. It is only in my software, nothing else on the computer. I'm using Arial size 10 and bold, nothing fancy and as i say it works on all the others.
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Jun 9, 2011
I have a very annoying problem with adding new records to my Access Database, I'm not getting any syntax errors but there's obviously a symantic error of some kind causing this headache. I've been developing an RFID system for two months now and spent the last four weeks trying to fix this one issue, if anyone can see wher
Private Sub m_btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles m_btnSave.Click
Dim da As New OleDb.OleDbDataAdapter
[code].....
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Mar 8, 2009
I have been running my project using F5, it says Ready and then nothing happens. It goes it debugging mode )Play button is disabled, pause and
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Aug 31, 2010
VBExpress 2010 .Net 4.0 I'm trying to have a form that you click on a button and it goes to a new page of the same size in the same location. An example of this type of thing would be the different pages of an install wizard. In this particular project, I have an "instructions" page that you click on that takes you to a new form. On this page is a "back" button that takes you back to the main screen. I'm just not sure how this type of thing is normally done. What I have done works, but you can see the page 'flip' a little, and the form button on the taskbar disappears and reappears as the new one loads.
[Code]...
and I have an equivalent subroutine on the other form to get back. At first I had the Three middle line of code interchanged, which looked much smoother, but for some reason it didn't work on the first click, upon which the form would suddenly move to the wrong location, after which it would work fine, no matter where I moved the form.
I have a feeling that this is probably done in a completely different way, but can't think of a better way of doing it. One way would be to just use one form and change the controls instead, but it would get quite cluttered.
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Nov 13, 2010
When a button is focused by pressing Tab key, a rectangle appears on it. Even if the button's TabStop property is set to false, when the button is clicked with mouse the rectangle appears. Is it possible to stop the rectangle from appearing?
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Aug 6, 2011
Is there any way to cancel a msgbox from appearing such as an if then procedure? i want to learn how to make a login type program. very simple though with modules and seperate forms.i have a try and catch procedure set up but i would like it to see if the username and password are correct and then if not display the message box. im not sure what im doing wrong. any advice? btw this code is from the child form! also the boolean thing i just put that there bec. i was just messing with the thing to try and get it to work. pay no attention to that. everything works right except the message box comes up everytime
[Code]...
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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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Jan 25, 2010
My regional settings are UK standard Windows XP. When I ecexuted FileSystemObject.DateCreated I get #1/25/2010 1:57:36 PM# I would expect 25/1/2010 13:57:36. Can anyone explain what is going wrong?
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Feb 1, 2012
am writing this program as for an assignment. How can i make it so that these error messages dont show up when the train method of commuting is selected? This error message is related to the car method of commuting and shouldnt pop up. My book dosent show me anything on how to avoid this.
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Feb 11, 2009
I'M trying to filter a certain link from appearing on web pages, so like if you load a certain page and it contains a certain html link code, it won't load it? Would I have to use dll injection into winsock, to filter this? Or is there another way.
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