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Filter by week: 1 2 3 4 5 Strongly Typed Dataset should be in DataAccess Layer or Business Layer Posted by kittipong.kiatcheeranun NO[at]SPAM gmail.com at 8/28/2007 6:06:16 PM I am not exactly sure that my understanding is right or wrong. In
strongly typed dataset we can generate all of the fields from tables
in database and also has tableadapter that allow us to write down sql
command in or directly link to table. We still can write the code in
dataset partial class ...more >>
Strongly Typed Dataset should be in DataAccess Layer or Business Layer Posted by kittipong.kiatcheeranun NO[at]SPAM gmail.com at 8/28/2007 6:04:56 PM I am not exactly sure that my understanding is right or wrong. In
strongly typed dataset we can generate all of the fields from tables
in database and also has tableadapter that allow us to write down sql
command in or directly link to table. We still can write the code in
dataset partial class ...more >>
DataRow Array size Posted by Manjree Garg at 8/28/2007 7:42:12 AM Hi
Is there any way of declaring an array of DataRow of variable size (or
dynamic array) in ADO.net as the fowwing syntax require the size of the array.
array<DataRow^>^ rows= gcnew array<DataRow^>(size);
I am searching my SQL Server2005 databases DataTable for a given column
value u...more >>
Out of sync with two connections Posted by brinko99 at 8/27/2007 10:48:01 PM I am using a User Control that reads and writes data to an Access Database
using OLE DB classes (OleDbConnection...) I believe the control is storing
data locally in a DataSet which populates a DataGrid.
My application is trying to read and write data to this same database
directly and I'm...more >>
HasChanges returns false for one row, true when more than one Posted by Mike G Burton at 8/27/2007 1:40:04 PM I have a (third-party) grid bound to a dataset for display purposes, but
during the operation in question I'm directly updating the dataset from my
application code. When I call HasChanges on the dataset, I get False if the
dataset has a single row, but True if the dataset has multiple rows. ...more >>
Problem with data table manipulation prior to update Posted by B. Chernick at 8/27/2007 11:50:07 AM I'm passing a data table to a form. This table is then bound to a binding
source which is in turn bound to a datagridview so that only a subset of the
table is ever displayed (filters by key). This form is your basic dialog
with OK/Cancel buttons.
For reasons too complicated to explain, w...more >>
Dataset designer and complex Stored procedure Posted by Gerard at 8/27/2007 12:00:00 AM I have many complex SQL Server 2000 stored procedures, using cursors, temp
tables... They all finally return a resultset that could be a join on
several user and temp tables.
Now, when I try to drag some of them on a dataset in VS 2005, the designer
will create a QueriesTableAdapter for a q...more >>
Database Data Types Posted by Jonathan Wood at 8/26/2007 8:29:21 AM The further I delve into .NET and ADO.NET, the more things I seem to find
missing that we had 10 or 15 years ago. I really don't understand why.
So, using VS to create an SQL database I see:
1. There is no Boolean data type. Further, if I use tinyint and set it's
default value to 0, I see ...more >>
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datetime conversion from UDT/GMT to localtime Posted by georgejetson at 8/25/2007 5:58:01 AM Hi,
Env:
VB .net 2005 against SQLServer 2000 SP4 on Windows XP (latest SP)
Situation: My database has all date/times stored in UDT/GMT in datetime
fields in sqlserver...(I'm in USA EST, thus, GMT now is +4.00) [When daylight
savings time goes away in the fall, it will be +5.00)
My VB ...more >>
ASP.NET binding to DataReader Posted by Andrew Robinson at 8/24/2007 8:52:27 AM I have a large collection of DAL code that returns lists of entities
(List<entity>) for general binding operations usually to a GridView via an
ObjectDataSource.
I think about binding directly to a SqlDataReader but how do I insure that
the Reader and its associated Connection both get clos...more >>
Default Values Configuring the Where Clausse of a SQLDataSource Posted by Lee Stevens at 8/23/2007 9:44:02 AM I am somewhat new to vb.net and asp.net (am a former VB6 turning .net
programmer)...
I have a textbox, which I would like to populate with criteria to show in
the datagrid. This works fine, however, when no text is found in the
textbox, there are no results to display. I would like to if ...more >>
DataTable ColumnChanging event nit firing on adaptor.Fill() Posted by Amir Tohidi at 8/23/2007 7:00:08 AM Hi
I am successfully filling my DataSet with data using an adaptor. Prior to
calling Fill(), I regsiter handler for the ColumnChanging event of each
DataTable in my DataSet because I want to do field level validation of each
data item.
Unfortunately, my event handler is NOT getting calle...more >>
Accessing DataTable Problem Posted by Graybane at 8/23/2007 6:26:05 AM Hi Folks,
I am having a problem reading an existing typed datatable. I am sure that I
have over looked something simple but I am not seeing the forest for the
trees. I am using the below code and the reader does not pickup any rows.
Private MyDataSet As SomeDataSet
Private MyDataTab...more >>
search and update data Posted by Nhan at 8/22/2007 4:16:23 PM Hi,
I am beginer in ADO.Net, have such a problem.
I want to search for a row of a table or query then update data of this row.
With which ADO.net classes can I do this? An equivalent to ADO recordset
object!
The System.Data.Dataview can search, delete. Can it also update data?
With DataTab...more >>
Transaction fail when called via remoting Posted by Johan Karlsson at 8/22/2007 3:06:33 PM Hi!
I have an application where the client call the server over .net remoting
(tcp).
The final code to be called looks something like this:
Public Sub Update()
Using t as New Transaction
UpdateThisObject()
UpdateChildObjects() ' <---
System.Transaction.Transacti...more >>
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