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Losing columns when changing DataSource Posted by Jeff Johnson at 5/31/2006 5:04:01 PM I'm giving .NET data binding a chance before I dismiss it as I did with data
binding in VB6, but I'm having some problems.
Background: I am binding to a List(Of T) where T is a custom class I have
written. At first I just set DataSource equal to my list and, while it
worked, the columns wer...more >>
DataGridView - BindingSource: How can i do a refresh? Posted by rancidpunx NO[at]SPAM gmx.at at 5/31/2006 1:58:53 AM Hi!
I have following problem:
I'm using a DataGridView, which is connected to a DataSet via a
BindingSource (that's because I'm also using a bindingNavigator for
this one), and basically this whole thing works fine, except one thing:
If the DataSet - which is connected to the BindingSourc...more >>
Reflecting on a Generic Type Posted by JT at 5/30/2006 2:36:02 PM I am trying to set up a datagrid combobox column to get the display member
given the value member when the datasource is a BindingList(Of T).
I expanded on a MS example for the BindingList, and am attempting to use
reflection to get a property value from the instance that represents the type
...more >>
displaying generated field and binding to an acutal field Posted by Gus M at 5/28/2006 5:41:30 PM Hi,
I've got a small problem I can't find an answer to. I need to be able
to display multiple items in a combobox from a SQL generated field
(such as (SELECT RTRIM(per_surname) + ', ' + RTRIM(per_first_name)
AS company_manager) and bind to the com_manager_per_id field (a FK to
per_first_n...more >>
DataTable.Column.DefaultValue ?? Posted by Mark at 5/25/2006 5:01:27 PM Hi,
I have a DataTable in my DataSet with a "datetime" Column. I can specify a
DefaultValue for this Column using a String such as "01/01/2006" etc but can
I set it to default to today?
Something like ".DefaultValue = DateTime.Today" but do this in the designer
and not in code (if I did ...more >>
combobox datasource Posted by Alejandro González at 5/25/2006 3:48:13 PM Hi
I have a combobox binded to a Datatable
something like
combo.DataSource = dt.DefaultView;
combo.DisplayMember = "descField";
combo.ValueMember = "valueField";
it works fine.
Now if I update the datatable I want the combo to reflect those changes.
I'm trying to rebind the combo doi...more >>
Data bind to web service... Posted by William Buchanan at 5/24/2006 10:26:51 PM Hi folks
I have a web service which returns a data table through a web method.
I also have a win form with a combo box. The combo box is linked to a
binding source - the binding source is linked to the web service. However,
when I open the form there is no data in the combo box.
What am...more >>
Binding Lost? Posted by Özden Irmak at 5/24/2006 9:40:07 PM Hello,
I wrote a custom control which has a textbox inside it and it has a value
property which is bindable to a datasource.
In my sample screen, I have a datagrid and a bunch of my custom control. I
bind them to the same datasource so when the user moves in the rows of the
grid, my cust...more >>
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ComboBox value as parameter for stored procedure? Posted by Daniel Manes at 5/24/2006 12:07:28 PM Ok, I have a DataGridView, and I want to fill it with data from a
stored procedure (which is on a SQL server express database). This
procedure requires a parameter called "Country." The user selects the
country from a ComboBox elsewhere on the form.
All seems to be working fine except one thin...more >>
[DataGrid, adding multiple Rows to DataTable] How to speed up the process? Posted by Pascalus at 5/23/2006 7:10:47 PM Hi there!
Adding thousands (let's say 100'000) of rows to a DataSet->DataTable in
the way (C++ style):
DataTable *table = dataset->Tables->Item[S"MyTable"];
table->Clear();
for(int i=0; i<num; i++) {
DataRow *newRow = table->NewRow();
newRow->Item["Column1"] = something;
newRow->Item...more >>
Who is bound ? Wich controls are bound Posted by andre mens at 5/21/2006 12:00:00 AM Hi
is it possible to see wich controls are bound to a dataset ?
For example is it possible to see that a TextBox is bound to a field in a
datatable of a dataset ?
And i only know of the existense of the DataTable / DataSet
Greetings Andre Mens
...more >>
Adjusting Column width of datagrid in VB.Net Posted by Dili at 5/19/2006 11:23:16 PM Hi
I want to adjust the Column width of a datagrid in VB.Net
I tried all that tablestyle, columnstyle etc.
But changing the 'PreferedColumnWidth' of these properties
doesn't work.When I used 'Datagrid1.PreferedcolumnWidth=125'
then it affects all columns in the grid.I want to change their wid...more >>
newbie -- datagrid not automatically committing edits and inserts Posted by Freddy at 5/18/2006 12:04:36 PM Hi,
Using VS 2005 and Sql Server 2005. I've created a datagrid using the
wizard, and told it to generate insert and update statements. the datagrid
displays the data nicely, i can edit cells, and add new rows. but these
changes do not get posted to the actual database. there must be some...more >>
Simple database to comboBox data bind Posted by emorgoch.public NO[at]SPAM gmail.com at 5/17/2006 10:40:26 AM Hello there,
Still kind of new to .NET , and have been looking online for many hours
now on doing this. All I want to do is take a couple columns from a
view in a database, and bind it to a combo box. What's the simplest
method to do this, cause what I've been seeing so far all seems to get
p...more >>
When does a DataSource get updated? Posted by David at 5/14/2006 2:59:46 PM I have a form with a checkbox that is bound to a System.Boolean field in a
data table. I also have a handler for the DataRowChange event.
When I check or uncheck the checkbox the DataRowChange handler is not
called. If I call EndCurrentEdit() the handler also does not fire.
However, if I ...more >>
Bind Datagrid to Relation via Dataview Posted by ccshine via DotNetMonster.com at 5/11/2006 10:08:37 PM After searching throughout this and other sites trying variations on my code
to no avail, I confess. I was the second gunman on the grassy knoll! And my
eyes are about to bug out of my head trying to find a solution to this issue
so any help would be greatly appreciated.
I have a datagrid ...more >>
Deep DataBinding BindingSource Posted by Andreas Rudischhauser at 5/11/2006 4:41:29 PM As I debugged, all bound controls will first query the BindingSource.Count
Property and then retrieve all data via BindingSource[index] Property.
My Problem is that I do not want the GridView to fetch all data when its
displayed. It should only request the data it can actually draw into the
...more >>
App Hang with BackgroundWorker Posted by JT at 5/10/2006 10:53:02 PM HI,
I am upgrading a Windows Forms app to ADO.NET 2.0 from 1.1. I tried using a
background worker to load my dataset for a particular form in a separate
thread, being careful not to try to update the UI from this thread. The form
loads and works well, but hangs when I hit the close button. ...more >>
Databinding problem ? Posted by andre mens at 5/10/2006 10:38:22 PM Hi
I'm having some difficulties understanding the databindings.
I have a bindingsource on a form wich reads a dataset from the DB
on the form i have a record view and a datagridview dropped on it from the
datasources.
when i add a new record and enter the values in the record edits the g...more >>
How Do I Pass Bindingsource to Another Winform. Posted by Rob Dob at 5/5/2006 4:21:00 PM Hi,
I have two c# Winforms. the first form has a datagridview who's datasource
is a
bindingsource. when you double click on a datagridview row it then opens my
second form, which has some databound controls, text boxes that are bound to
another bindingsource. Both bindingsources are bound...more >>
How Do I Pass Bindingsource to Another form. Posted by Rob Dob at 5/5/2006 11:57:58 AM Hi,
I have two forms. the first form has a datagridview who's datasource is a
bindingsource. when you double click on a datagridview row it then opens my
second form, which has some databound controls, text boxes that are bound to
another bindingsource. Both bindingsources are bound to t...more >>
Combining two fields in a textbox Posted by Lefteris Kororos at 5/4/2006 7:30:24 AM Hi,
is there a way to bind a textbox in such a way so that its text is a
concatination of two fields from a dataset?
To be more specific, I need to have a textbox with Full Name, but in
the database I have a field for First Name and a field for Last Name.
Thanks in advance,
Lefteris
...more >>
Problems updating underlying Access database using DataSet Posted by lkororos NO[at]SPAM gmail.com at 5/3/2006 5:35:32 PM Hi,
here is my problem:
I am writing a form to make some changes in the details of some
employees. I use a combobox to select the Social Security Number and
retrieve the details of a specific employee. So far so good. The
details are retrieved ok. I use the BondingContext.Position =
cmbBox...more >>
Override ApplySortCore ??? Posted by Jakob Lithner at 5/2/2006 1:51:02 AM I have a custom collection that inherits from BindingList.
I bind it to a WinForms DataGridView and want to provide sorting by clicking
the column headers. It does not work right away and I found out it is because
the collection does not support Sorting in itself.
I read that I need to overr...more >>
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