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Published on 2010-06-01T05:53:40Z
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How can I write Join statements on dataset.. I have data in xml format..I can load that data into a dataset.. but how do i fetch data from two datatables using a join query
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I’ve run into the problem a few times now: How to pre-authenticate .NET WebRequest calls doing an HTTP call to the server – essentially send authentication credentials on the very first request instead of waiting for a server challenge first? At first glance this sound like it should be easy:…
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Man I can't believe this. I'm still mucking around with OFX servers and it drives me absolutely crazy how some these servers are just so unbelievably misconfigured. I've recently hit three different 3 major brokerages which fail HTTP validation with bad or corrupt certificates at least according to…
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The dynamic type in C# 4.0 is a welcome addition to the language. One thing I’ve been doing a lot with it is to remove explicit Reflection code that’s often necessary when you ‘dynamically’ need to walk and object hierarchy. In the past I’ve had a number of ReflectionUtils that used string based expressions…
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I’ve written quite a bit about Visual FoxPro interoperating with .NET in the past both for ASP.NET interacting with Visual FoxPro COM objects as well as Visual FoxPro calling into .NET code via COM Interop. COM Interop with Visual FoxPro has a number of problems but one of them at least got a lot…
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Here’s a nice and simple path utility that I’ve needed in a number of applications: I need to find a relative path based on a base path. So if I’m working in a folder called c:\temp\templates\ and I want to find a relative path for c:\temp\templates\subdir\test.txt I want to receive back subdir\test…
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Hello
I'm trying to read a dataset as xml and load it into an XML Document.
XmlDocument contractHistoryXMLSchemaDoc = new XmlDocument();
using (MemoryStream ms = new MemoryStream())
{
//XmlWriterSettings xmlWSettings = new XmlWriterSettings();
//xmlWSettings.ConformanceLevel = ConformanceLevel…
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I have multiple datasets that I would like to combine into one. There is a common ID field that can be associated to each row. Calling Merge on the dataset will add additional rows to the dataset, but I would like to combine the additional columns. There are too many fields to do this in one query…
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Hi folks
I have a client-server project (small project for companies in C#) and the server has a DataSet with some tables (there is no Database for some reasons so we save the DataSet as an XML file).
when the clients connect to the server, the server should send some informations to the client depends…
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What is the impact of creating variables using:
Dim ds as New DataSet
ds = GetActualData()
where GetActualData() also creates a New DataSet and returns it?
Does the original empty DataSet that was 'New'ed just get left in the Heap?
What if this kind of code was in many places? Would…
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Can someone explain me DataSet.Copy vs Dataset.Clone
Also let me know some scenario's where we can use these
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