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  1. 4.0 Re: C# Project / VS Crashes on data source selection

    apparently somehow my entity model got corrupted, so i removed it and added again. I don't understand how code generation templates work, but it no longer have a constructor woth connection string...
  2. 4.0 Re: C# Project / VS Crashes on data source selection

    System.data.mappingException: the member PERIODS in the current conceptual model type xxxx is not present in the CLR type xxxx.
  3. 4.0 Re: C# Project / VS Crashes on data source selection

    System.data.mappingException: the member PERIODS in the current conceptual model type xxxx is not present in the CLR type xxxx.
  4. 4.0 C# Project / VS Crashes on data source selection

    Hi,
    not sure if this is relevant to my code or is a visual studio issue. i have a c# project with entity frame work -sql database.

    when i select a datasource for an object, VS crashes with error...
  5. Replies
    2
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    429

    Re: EFW add new object

    Ok I think i worked it out, I have 1t to many relationship ( Contractor to Invoices) and the invoice object is being added to contractor invoices collection and saved there after. I swaped the...
  6. Replies
    2
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    429

    [RESOLVED] EFW add new object

    Hi All,

    I have been off programming for a while, and now trying to get back on a track. My understanding of Entiti frame work for adding a new object is by calling the AddTo method


    ...
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    0
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    DBcontext.SaveChanges() Error

    Hi,

    I have an editable datagrid with a binding source to, to allow user to modify and add rows.



    oCom.DB.Contractors.Load();
    oCom.DB.Staffs.Load();
    ...
  8. Replies
    5
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    638

    Re: Technology Recommedation

    I agree, but i wanted to take this opportunity to learn a more modern ( and future proof) technology. and most h/ware support both android and windows nowadays.
    Thanks for your help, i will look...
  9. Replies
    5
    Views
    638

    Technology Recommedation

    Hi All,

    I have been of programming for a while, i have a mid level experience in vb.net and C#. Now, im looking at writing a custom retaill solution for a friend and not sure which platform to...
  10. Replies
    1
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    461

    VS 2012 .Net graphics select, drag and drop

    Hi,
    I have been searching for an article on how to make custom drawn graphic shapes selctable, movable. my aim, illustarated in pic below, is to allow end user to select a blue shape from left menu...
  11. Replies
    1
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    1,845

    Math Formula or equation

    Hi,

    Im developping a manufacturing software, one of the requirements is to produce a report for required raw materials which in this scenario happend to be metal bars available in different...
  12. Replies
    9
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    953

    VS 2012 Re: Interface and objects

    that's exactly how i did it, i have dedicated forms for editing each type, when user double clicks the row the corresponding from pops up.
    as for the additional properties, i ended up displaying...
  13. Replies
    9
    Views
    953

    VS 2012 Re: Interface and objects

    oProduction have many other properties which arent required for other types and not implemented by the interface. i might add all production properties to interface, cant think of any better way
  14. Replies
    9
    Views
    953

    VS 2012 Re: Interface and objects

    Thanks @jmcilhinney
    my approch didn't actually work, as i'm not able to edit oProduction type in iTranLine datagrid so i ended up having 2 grids
    grid1.datasource = list(of iTranLine) ' which...
  15. Replies
    9
    Views
    953

    VS 2012 Interface and objects

    Hi All,

    i have 4 objects of diffrent types, which i need to show in a single data grid in an a quoting program, and perform some summary calculations to all 4 types.
    so i created an interface,...
  16. Replies
    7
    Views
    774

    VS 2012 Re: Xml Serializer

    Dim xmlreader As Serialization.XmlSerializer = New Serialization.XmlSerializer(Con.GetType, xmlRoot)

    problem, i accidently passed the worng argument to serialize, Con is a string type, and i...
  17. Replies
    7
    Views
    774

    VS 2012 Re: Xml Serializer

    ....
  18. Replies
    7
    Views
    774

    VS 2012 Re: Xml Serializer

    ......................................
  19. Replies
    7
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    774

    VS 2012 Re: Xml Serializer

    my bad, fixed :)
  20. Replies
    7
    Views
    774

    VS 2012 [RESOLVED] Xml Serializer

    Hi Guys,
    I have an Object BomCondition, which i serialize to XML allowing users to edit values and then save into SQL in XML format.
    i get an error when try to convert string to object, here is my...
  21. Replies
    1
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    1,030

    exe loading on Win 10

    Hi All,

    I installed a program on a production win 10 machine, when i run it it just goes loading forever. I use win 10 on my dev machine and have had no such issues in the past. I tested with...
  22. Replies
    3
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    638

    Re: inventory item costing

    From my experience with ERP systems, stock on hand value is adjusted at the time quantity adjustments were posted
  23. Replies
    11
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    1,487

    Re: Desktop App with remote database

    By resources i meant expertise, time and budget. I like @jmcilhinney idea of having a service to communicate data between client app and database
  24. Replies
    11
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    1,487

    Re: Desktop App with remote database

    At this stage it is 5 to 10 users but may increase in the future. Won't be using a VPN, i have been doinf some research and most likely to go with Azure database. my only concern is

    it requires...
  25. Replies
    11
    Views
    1,487

    Desktop App with remote database

    Hi all,

    I need some suggestions on what technologies to use

    i will be developing a desktop application in C# with SQL back end. software needs to be accessed from different locations. I know...
  26. Replies
    1
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    425

    VS 2010 VB.net Excel AUtomation

    Hi,

    My programme writes data into multiple excel sheets, below is my code, which works fine except it takes quite a while to write about 100,000 lines into 12 tabs.

    is there a more efficient...
  27. Replies
    0
    Views
    1,509

    3.0/LINQ EFW many to many query

    Hello,

    need some help working a linq query,
    need to retreive sites for specific employee, and can't seem to get it right



    from ES in...
  28. Thread: Suggestions

    by wiss.dev
    Replies
    12
    Views
    1,725

    Re: Suggestions

    Thanks for your replies, Web is the perfect answer. but i have already written a desktop app. I'm using SQL express so SQL replicationis not an option.

    Ultimately, i would love to have a central...
  29. Thread: Suggestions

    by wiss.dev
    Replies
    12
    Views
    1,725

    Suggestions

    hello,

    looking at some suggestions here, I'm working on a desktop app which will be deployed across multiple locations. the idea was to have multiple data bases and sync data across (2 ways) to a...
  30. Replies
    0
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    678

    3.0/LINQ Entity Objects and partial classes

    i have a EFW generated object which i need to modify its properties setters and getters and I thought i could do that in meta data class
    i also need to more properties. so I defined a partial...
  31. 3.0/LINQ System.Reflection.ReflectionTypeLoadException

    my code works on my dev PC, however when i deploy it on clients server, i get the Error. I ensured all references are set to copy to local. and copied them to clients server. any suggestions ??
    ...
  32. Replies
    6
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    813

    VS 2012 Re: PDF to Text parser

    Unfortunately no, different clients will have different templates. if i can get it in order i can then have pre-configured for each client
  33. Replies
    6
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    813

    VS 2012 PDF to Text parser

    im working on a task of automating data entry by parsing PDF files to text using a script i found online
    http://www.codeproject.com/Articles/14170/Extract-Text-from-PDF-in-C-NET

    i tried few...
  34. VS 2012 Help with LINQ groyuping by multiple columns

    Hi,, need some guidance in vb.net linq
    i have a data table with the following columns

    ItemCode, ItemDescription,Height,Width,Quantity, Price

    need to group rows by Description, height and width...
  35. Replies
    1
    Views
    587

    3.0/LINQ Raise event on changing a collection

    Hi,

    is it possible to raise an event to handle adding items to lstAnimals





    class Zoo
    {
  36. Replies
    1
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    884

    RuntimeError 216

    few of my apps have recently start popping this error message moments after closing the program

    Runtime error 216 at xxxxxxx

    Any idea what could have caused that ? or where to look at

    i'm...
  37. Replies
    9
    Views
    1,352

    VS 2012 Re: [RESOLVED] VB.net Code to C#

    about to start pulling my hair now :eek:

    for no reason that i know, my c# code no longer populate the variables, it is fine in VB though



    Option Strict On
    Public Class vb

    dim...
  38. Replies
    9
    Views
    1,352

    VS 2012 Re: [RESOLVED] VB.net Code to C#

    Thanks guys, this did the trick

    public string sControlPath = new string(Convert.ToChar(" "), 256);
  39. Replies
    9
    Views
    1,352

    VS 2012 [RESOLVED] VB.net Code to C#

    Hi,
    I'm trying to rewrite my code in c#, the one thing i missed is the equivalent to this
    Public sControlPath As New String(" ", 256) in c#, could this be causing it to error ?



    Public...
  40. Replies
    3
    Views
    648

    VS 2012 Re: OnPropertyChanged([property] As String)

    this seems to work :)

    Partial Public Class Item
    Protected Overrides Sub OnPropertyChanged([property] As String)
    Try
    'MyBase.OnPropertyChanged([property])
    If...
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