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3 answers

C# File transfer

Hi I need to write a client/server application that sends files of about 5MB each. The server must be multithreaded(can accept multiple clients at the same time). Is there anyone who can help me please. Thanks

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2 answers

Delete a record throws exception

Hi, Im writing an application that uses SQL Server 2005. I have two tables CLIENT and CLIENT_PURCHASES The tables are joinned by the client_id field. I would like to delete a client but if a client has some purchases I'm receiving an ex ...

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4 answers

C# usb dongle

Hi I'm creating a windows application and I want to use a USB Dongle for user authentication. Is there anyone that can give me some help on how this works? Any help will be really appreciated Thanks in advance

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1 answers

Pessimistic Concurrency

Hi I'm using .NET3.5 with C#. I want to implement code for locking/unlocking records of a database. Basically I want when a user edits a record to lock it first so that no other user can update/delete that record. I have done some resear ...

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1 answers

Merge two datatables using LINQ

Hi I have two datatables that I want to compare. See below table 1 slot_id appointment_time patient_name patient_doctor 1 0900 George Michael table 2 slot_id appointment_time ...

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