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Type: Posts; User: smktec

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  1. Re: How can a generate more than one databindings a datatable and its ralation

    Hi,
    I tried several ways to get it to work. Finally, it appears to me that in this case databinding might not be the preferred approach.
    So I tried to fill a datatable by an sql-query and this...
  2. Re: How can a generate more than one databindings a datatable and its ralation

    thanks for the sample code. I'll go through it.
  3. Re: How can a generate more than one databindings a datatable and its ralation

    yes, that is correct.
    the lower grid should show various fields of order positions. In addition the order positions table has a field that shows the status of the order, eg. ordered, confirmed, in...
  4. Re: How can a generate more than one databindings a datatable and its ralation

    I went through your codebank and compared. It works for the first part and I believe I understand the mechanism. Below is my code:

    'Firmentabelle: Data viewed in Combobox
    ...
  5. How can a generate more than one databindings a datatable and its ralation

    Hi,
    I have three datatables which are related as you can see in th picture.
    160721
    With Bindings I can select customers (upper combobox), which shows all orders of that customer in the combobox...
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    Re: Errors in ConnectionString

    I deleted the dataset and added it again, if this is what you suggested. It worked.
    thanks
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    Re: Errors in ConnectionString

    Yes, I have changed from WWS to WWS_Buchung. Below see the corresponding screenshot
    160687
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    Errors in ConnectionString

    Hi
    When I make changes in the *DataSet.xsd and run the program I get the error message:
    "WWS" is not a member of "<Default>". in WWSBuchungDataSet.Designer.vb.

    The corresponding command in the...
  9. Re: How can create a timer in thread that can be reset?

    HI Guys, thanks for iinput.
    I use the timer version where the timer will allway be restartet and it works fine.
  10. How can create a timer in thread that can be reset?

    Hi,
    I have set up a client that connects to a server to transfer data in both direction (TCP/IP with TCPclient).
    Now, I would like to set up a timer to check if the connection still exists if...
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    Re: TCP communication

    thanks for this nice example. I think I now better understand the way to program with sockets. It works now!
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    Re: TCP communication

    I have tried it. But this does not seem to send the data. It looks like the connection had been closed, although the networkstream.canwrite and client.connected returned true.
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    TCP communication

    Hi,
    I have TCPIP connection using TCPclient and TCPlistener in a seperate thread.
    It works fine if I allways open a new client after each roundtrip (sending /recieving or recieving /sending).
    I...
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    1,137

    Re: updating data table fails

    the application runs in a manufacturing line and includes a planning system (gantt chart). We keep a backup copy at a remote location. So we do one update in the morning when the operation starts and...
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    Re: updating data table fails

    I am sorry if I could not explain well enough what I am trying to do.
    When I start the application that uses a ms access as db I want to make a backup that is sent to a different location. In the...
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    Re: updating data table fails

    I think I found the trouble maker!
    When I start the program I also start an email routine that sends the database in use to an external address for backup. This takes some time and blocks the...
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    Re: updating data table fails

    I further investigated and there are indications that vb, windows or MSaccess blocks the connection or the datatransfer. I found as follows:
    when there is a problem
    - I can only open msaccess...
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    Re: updating data table fails

    For Each row As DataRow In dt.Rows
    MsgBox(row.RowState.ToString)
    Next

    to call the RowStates helped. It looks lilke sometimes the rowstate is still in "modified" state....
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    Re: updating data table fails

    thanks for input. I' ll use 'for each' to walk through the table and try to understand the problem
  20. Replies
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    Re: updating data table fails

    I use the automatically generated DataAdapters and their methodes like artikleTableAdapter.update(DataSet.artikle) where artikle is the datatable.
    This seemed to work so far without any problem. In...
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    updating data table fails

    Hi,
    I encountered a strange behaviour trying to update to MS access.
    I use VB 2010 express, Datatables are bound using bindingsource to a datagrid. Update is handled using bindingsource.endedit,...
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    How can I get MIME into texstring

    HI,
    I want to send a picture to a webbrowser and created the server in VB, which works well.
    To get the required MIME format of the picture I loaded it as attachment, sent it to myself opened the...
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    Picture is not shown in browser

    Hi,
    I am an aboslute starter in HTML.
    I have programmed a server to show text and picture in a browser using VB.net. If I call the server using local IP adress vom webbrowser in VB text and...
  24. Re: are there different datasets in different forms?

    I went through my project and tried to understand what you explained and I found the following code which I am not sure what they are doing:

    Form1.designer.vb
    Private Sub InitializeComponent()...
  25. Re: are there different datasets in different forms?

    I went to your Blog: Data Among Multiple Forms. Very good explanation. Based on this I will have to recode a lot, but so what it will make it better.
  26. Re: are there different datasets in different forms?

    Hey, that's great. Could you kindly give me some hint, how to program, so all forms share the same data. I guess this way all bindings should be updated concurrently as well. This would make many...
  27. Re: are there different datasets in different forms?

    thanks for input.
    So, this means, if I correctly interpret what you are saying, when I copy and paste a table from datasources to a form and tableadapter and bindingsource are created a new table...
  28. are there different datasets in different forms?

    Hi,
    I ran into a strange problem and hope that somebody can explain the mechanism and hopefully help with a solution.
    I have one dataset with tables. I also created two forms, form1 and form2, with...
  29. Re: How can I remove DBconnection which shouldn't exit?

    I noticed that the unneeded db PPS04a was present in the db explorer. Because I only used the database sources windows I didn't see it. But it was displayed after launching the project, which give me...
  30. Re: How can I remove DBconnection which shouldn't exit?

    Obviously, the problem occurs before the form is loaded. Is there a way to catch an early exception, lets say right after the 'main' program, if this exist (I could not find it)?
  31. How can I remove DBconnection which shouldn't exit?

    Hi,

    When I start a project a data connection is loaded and closed which should not exist anymore.
    The PPS04a.accdb is not used anymore and I could not find a place where it is referenced. All...
  32. Re: How can I add/delete tables of fileds in tables in MS Access using VB.net

    great, it works well
  33. Re: How can I add/delete tables of fileds in tables in MS Access using VB.net

    the version control that you propose sounds interesting, but I do not quite understand how to do it. Could you provide a code snipped that explains it, please.
    thanks
  34. Re: How can I add/delete tables of fileds in tables in MS Access using VB.net

    Great, that works
  35. How can I add/delete tables of fileds in tables in MS Access using VB.net

    Hi,

    I have a running application based on VB which uses MS access as DB. The application is further improved and tables and fields in the current db are changed due to needs. I am looking for a...
  36. Re: How can I send forms with controls or wpf-apps to a browser

    Hi,
    I found a wisiwyg editor in the internet. It is called "BlueGriffon". It seems to support a number of controls. Now, I will try to include the HTML-output to my vb-server.
    Is there any...
  37. Re: How can I send forms with controls or wpf-apps to a browser

    Thanks for the hint cordova. I am going to look into it.
  38. Re: How can I send forms with controls or wpf-apps to a browser

    I you are right. I am developing an application in vb and data should be accessible via webbrowser. I got the impression that asp.net would translate the form into HTML. But I can't get asp.net to...
  39. How can I send forms with controls or wpf-apps to a browser

    Hi,

    meanwhile I managed to get client and server set up to communicate whith each other and also to receive calls from firefox. I worked with tcpclient, tcplistener and httplistener.

    Now, I...
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    Re: Help requested to get start with web

    great, I had a quick look into it. It looks like what I was looking for.
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