all groups > dotnet ado.net > april 2008 > threads for april 22 - 28, 2008
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DataGridView
Posted by Bails at 4/24/2008 9:03:18 PM
Hi All, I have been searching everywhere but I am totally stumped. Can
anyone PLEASE help.
I am using VB.Net 2005 edition and have a DataGridView (DGV)on my form.
The DGV is NOT bound to anything as I want the user to input their values.
Once they have finished I THEN want to save the valu... more >>
Inserting into csv files using Jet and System.Data.OleDb
Posted by cameron.waldron@gmail.com at 4/24/2008 9:13:36 AM
I'm trying to insert data into a csv file using System.Data.OleDb but
I'm unable to insert rows with character fields bigger that 255
characters.
the code:
const String INSERT_STATEMENT = "insert into [table#csv] (SmallStr,
BigStr) values (@SmallStr, @BigStr)";
OleDbConnection ... more >>
Underscore ("_") prefix added to my Column Name
Posted by r0bb1e at 4/23/2008 11:01:01 PM
I manually created a DataTable in a Typed DataSet using the DataSet designer
in VS 2008 Pro. One of the Column names is "IN". When referencing this
table in VB.Net 2008, the IntelliSense did not show the column "IN" but it
did show a column "_IN'. If I tried to reference this column in cod... more >>
Trapping nulls for SequetialAccess
Posted by jonefer at 4/23/2008 2:42:00 PM
I have a group of records in a set - usually 5-10 rows. For example
ProviderPanel would have several elements. I do this so I can handle the
formatting of each value on a case by case basis.
A typical scenario would be that before writing any records to either labels
or a class, I should t... more >>
ado.net entity framework newby question
Posted by doph at 4/23/2008 1:41:41 PM
Hi,
I have downloaded and installed beta 3 of Ado.net entity framework and
played with this a little bit and it's quite cool - I can query the
database and get the objects etc. The only thing I can't dig to is how
to actually create custom attributes in the classes that the framework
has gene... more >>
Direct navigation to specific rows in a DataSource...
Posted by Rafael Soteldo at 4/23/2008 5:04:00 AM
Hi there:
I need to get the position of a given Row to navigate directly to it, in a
form that has a BindingNavigator and several TextBoxes showing each rows
details...
I dragged the fields from the Data Sources window to the form in the
designer, which created the BindingNavigator attac... more >>
LINQ with Datetime
Posted by Ant at 4/23/2008 2:27:01 AM
Hi,
How can I use a date string to test a date in a LINQ query.
Below is a query in Northwind
Many thanks for any help
Ant
NorthwindDataContext db = new NorthwindDataContext();
var resultSet = from o in db.Orders
where o.OrderDate >= Convert.ToDateTi... more >>
OleDb delays commits and unlocks?
Posted by John W. at 4/22/2008 8:33:06 AM
I've seen other posts with similar problems, but no solutions. I have two
hair-pulling dilemmas that have been frustrating me for months now. Is there
no solution? (C#.NET, Framework 2.0, Jet OleDb 4.0)
The general goal is to read one MDB file and copy relevant info into another
MDB file... more >>
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