I\'m working on populating a combobox in visual studio 2005 using vb and I\'m stuck on the connection string part.I should mention i\'m connecting to a SQL Server 2005 instance.Here is what i have:
I want to remove duplicates from my DataTable so I\'m using DataTable.AsEnumerable().Distinct(DataRowCom开发者_StackOverflowparer.Default) but it doesn\'t do what I need. I think because each duplicat
I am new to ADO.NET and learning it. I was wondering if Data Adapter in ADO.NET provides atomicity or ACID properties by itself when filling the Data Set and updating the Database, or do we have to us
I\'m developing an app which will have a central database users can add entries to. The database will have to be on a server somewhere but I want the users to be able to add entries offline. The app w
Is there a way to determine a column\'s defaultvalue from the Sql Database using ado.net? I tried using the SqlDataAdapter\'s FillSchema method:
Re ADO.net, I get the concept generally of DataSet and DataAdapter.What\'s not clear if I may ask is:
I have columns that are of datetype, that I use for things like created, lastmodified etc. I don\'t want these columns to allow for nulls, is there a best practise in terms of what I should use for t
Does any body know that 开发者_高级运维in what situations the prepare method of an ADO.NET SqlCommand Object is useful?We are talking about a SqlCommand which implies Microsoft SQL Server. As far as I
I\'d like to start an application that makes heavy use of a database, and is supposed to run on Windows under .NET as well as Mac/Linux under Mono.
What is the cost of calling SqlCommandBuilder.DeriveParameters? I understand that a round-trip is required to the DB server to get the parameters. After 开发者_运维百科this is called, will the informa
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