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  • Users: ballybeg
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    Linked DGVs

    Hi there, I have a simple question that I cannot find the answer to after hours of googling. I have an object: RaceMeetings that has sub objects Races that has subobjects runners. The object populates fine. I have a form with three dgvs - meets, races, runners. In my main form I have the...
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    Create Binary data format for use in TCPIP socket project

    Hey all, I am working on a project that requires data transfer using TCPIP sockets. I am using a 3rd party Library (Ostrosoft) that handles the wsock32.dll api calls. The project calls for the creation of a header that logs into a user account. Here is the header: Name Length Format...
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    Question VB2010 with Access backend - changes do not persist first time db is set up

    Hi all, I have a windows forms app that populates 3 tables from an xml feed. It is all working great (thanks Jim for the great tutorials!) but I only have one niggling problem. On the first load of the xml into the the database, I can see the data loading into the Access db by opening the...
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    Question VB com Web Service add in for Ms Access

    Hi all, I am a long time Access developer, now keen to get my legacy systems operating with the power of .net. My new jobs are all build in VS, butI have a few important legacy systems that I need to keep in Access. The one problem I keep hitting when using various web services (managed by...
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    Question Parameterised queries - correct format for Access select query

    Hi there again fellow vb'ers. Thanks to many posts on this site and the web, I have made much progess in my .net upskilling. Thanks in particular to Jim McI for his great codebank on database access. One area I have not been able to get on top of is the use of parameterised queries. I have...
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    Snapshot of current datagridview and tableadapter

    Hi all. After searching around I have not found what imagine is a simple solution to a problem I am having. I have a DGV based on a DS, with a BindingSource and TableAdapter set to an Access backend. I have the DGV sorted the way I want - now I have written a sub that applies a parameterised...
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    Question Initialisation of an Array of a class within a class

    All, I know this issue has been asked and answered a few times on the net, but I can seem to fin an answer that applies to my case. I have main class of Races with mulitple properties. One of those properties has been defined as another class Runners. So I have a race with multiple runners...
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    Question Win Form App Initialisation question

    I have a question that regarding the initialisation and setup at the daily startup of a winform app. The startup requires a httprequest to login to a remote website, to obtain a cookie container for later processing. It uses the Keep Alive method to stay open as long as the sub is open. My...
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    Question Process large string..best method?

    Hi all, in an app I am developing i retrieve several large strings through a 3rd party dll. The output is defined as a fixed string buffer large enough to hold the data, and it is : Dim buf AsNew VB6.FixedLengthString(16384) a sample of the output is this: OK Meetings 09:14:04...
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    Question Winform three tier application

    Hi all, Looking for guidance on best practice regarding the development of a new project. I have separated my project into 3 layers 1) Presentation 2) Business Classes 3) Data Access. The Data access classes are split into 4 discrete projects, beacuse they can operate independantly, but all 4...
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    Question Create Dataset and Tables from XML

    Hi all. Looking for some guidance so I can attack my latest project the best way from the outset. I have an XML file that has a basic hierarchical structure about horse racing. It has a summary of the tracks, some data about each track, then a list of all the races at each track racing that...
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    Question Which is the better dev option? - store in memory or to a data store

    Hi all. I am looking for opinions on the best way to tackle my current project. It is a racing based win form app that obtains its data (in xml format) each day via calls to a remote web service. The datastructures are known and well defined, with only a few of the data elements being updated...
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