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What is the difference between data adapter and data reader?
Answer Snippets (Read the full thread at stackoverflow):
Please see DataReader, DataAdapter & DataSet - When to use? :
ADO.NET provides two central Data.
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We are building an ASP.NET MVC site, and I'm struggling with where to define a connection to best enable unit testing (I use 'connection' generically - it could be a session, a connection, an adapter, or any other type of data context that can manage ...
Started by LuckyLindy on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
I am using DI (with Ninject to make things more comfortable, but you can do on the very same subject last week :-)
I instantiate the data context inside a very thin wrapper and put "where to instantiate a data....
Of a real data context.
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My ASP.NET web application is not recognizing DataSet and DataAdapter. Which namespace is required to create a new DataSet?
Answer Snippets (Read the full thread at stackoverflow):
Well, you are going to need to....
Namespace
using System.Data;
OR Directly
System.Data.DataSet ds = new System.Data.DataSet();
System.Data
For a typed DataSet, you can check the typed DataSet file's (.XSD file) .CS/.VB file; it will show the namespace .
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Ask your Facebook Friends
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I am getting this error but only very occasionally. 99.9% of the time it works fine:
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.
Does anyone have any idea on what the cause could...
Started by horatio on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Visual Studio will automatically read schema and try and set up some primary keys on your dataset, but if you are using a view that can possibly return... .
This typically happens when the schema on your dataset is enforcing something that your database is not .
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Hi,
Can someone tell me why I would use a query adapter within the dataset designer instead of adding queries to the table adapter?
Regards
Started by Ace Grace on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
You can define as many queries for a TableAdapter as your application requires, as long as each query returns... .
Unlike standard data adapters, TableAdapters can contain multiple queries to fill their associated data tables.
Of fields.
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I'm using a table adapter in Visual Studio to make a query to a stored procedure in my SQL Server 2005 database. When I make the call via my website application it returns nothing. When I make the same call via SQL Server Manager it returns the expected...
Started by Cptcecil on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Make sure each variable has....
Visual Studio can be funny with query parameters.
This has helped me many times.
Use Sql Profiler to see how the sql sent to sql server actually looks like .
Dates need to have quotes around them in SQL else they don't work .
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Samsung OEM USB Travel Charger Adapter with Data Cable MicroUSB - Bulk Packaging - Black
Started by Lashawn Sandoz on
, 1 posts
by 1 people.
Answer Snippets (Read the full thread at pinterest):
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I have a Spartan Quark black case gyro with USB flash link and data adapter. All like new. $95.00 shipped conus
Started by smaner on
, 2 posts
by 1 people.
Answer Snippets (Read the full thread at helifreak):
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I have a Spartan Quark black case gyro with USB flash link and data adapter. All like new. $95.00 shipped conus....
Started by smaner on
, 1 posts
by 1 people.
Answer Snippets (Read the full thread at rcgroups):
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Started by Ebay RSS on
, 1 posts
by 1 people.
Answer Snippets (Read the full thread at peertravel):
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