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by: Yasutaka Ito |
last post by:
Hi,
My friend had a little confusion about the working of DataReader after
reading an article from MSDN. Following is a message from him...
<!-- Message starts -->
I was going thru DataReader in ADO.NET in MSDN and there is a confusion
regarding the buffering
of data in case of DATAREADER. The link for MSDN JAN 2004 is -
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by: Ravi |
last post by:
Hi,
I am not able to understand why a datareader needs a connection to the DB
all the time. Here is what I tried.
Sqlcommand cmd = ("select * from table1",con)
// where con is the connection object
1. DataReader dr = cmd.executereader();
2.while(dr.read()) { // do something //}
I have a break point in line 2. when i run my application and...
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by: Jason Huang |
last post by:
Hi,
Is it possible to bind DataReader to a DataGrid in C# windows form? And
how?
And can we update data in a DataSet by using the DataReader?
Thanks for help.
Jason
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by: Mark |
last post by:
Hi all, quick question , a DataView is
memory resident "view" of data in a data table therefore once populated you
can close the connection to the database. Garbage collection can then be
used to "clean up" the DataView once it is not referenced and will not
effect the number of connections to the database.
A DataReader on the other hand...
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by: Andrei Pociu |
last post by:
In a typical ASP .NET Web Application (website), I'm currently using a class
where I declare some public static objects. For example there's the place
where I initialize the SqlConnection.
Also there's the place where I declare one public static DataReader, but I'm
not sure this is the best way to do it. I use that DataReader in all the...
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by: Brent |
last post by:
I'm having a hard time wrapping my head around how to build a
multi-dimensional array of n length out of a DataReader loop. Take this
pseudo-code:
=======================================
public string get_array(string sql)
{
//create db connection & open
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by: Varangian |
last post by:
Hi all,
the question I want to ask if the conversion of a DataReader to a Table
looping through the DataReader is better than using the Fill Method of
the DataAdapter... I'm asking because internally the DataAdapter uses
the DataReader... so whats the deal of writing a method that converts a
DataReader into a DataTable ?
Thanks!
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by: Diffident |
last post by:
Hello All,
I would like to use DataReader based accessing in my Data Access Layer
(DAL). What is considered to be a best practice while returning from a DAL
method that executes a query and returns N rows. DataReader object?
Collection object? DataTable object? Returning a DataReader object is not a
good practice...right?
Thnks for all...
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by: Johnny Jörgensen |
last post by:
I've got an error that I simply cannot locate:
I've got a form in which I use a datareader object to read information from
a db. After the read, I close the reader and I dispose of both the reader
and the command object (but don't close the connection which is public in
the solution).
The first time i open my form from a parent form,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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