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Filter by week: 1 2 3 4 5 How do I change a value of a DataTable cell in a DataSet? (C#) Posted by Pavel Maly at 10/28/2006 3:46:37 PM Hello everyone,
as a beginner I've encountered a problem while trying to change a value inside the DataSet.
After I call
dataSet.Tables["tbl"].Rows[0].ItemArray.SetValue("something", colIdx);
the value in the row 0 and column colIdx of the DataTable "tbl" doesn't get changed.
The thing...more >>
Is there a better way to bind a listbox (combBox)? Posted by Jamie Risk at 10/27/2006 1:50:01 PM I'd like to bind a combo box control to an object. i.e. bind an
index number for an array of display strings to my data object.
I've got something that works as far as I've tested it, but it
has to be an overly convoluted method.
I'd really appreciate a more streamlined method to implemen...more >>
BindingSource and RaiseListChangedEvents Posted by Mark Atkinson at 10/27/2006 8:53:03 AM I'm trying to bind my winform controls to a BindingSource instead of a
DataView and I'm setting the DataView as the BindingSource's DataSource
property.
My main reason for binding to the Bindingsource instead of the DataView
directly is to take advantage of the RaiseListChangedEvents boolean...more >>
how to control Delete Method? Posted by Duong Nguyen at 10/26/2006 6:45:14 PM Hello!
I have 2 tables Products (ProductID,ProductName, Del) and Sale(id,
productID, qty, price)
Del setted to 1 if user deletes this product.
I have DataGridView and a BindingNavigator which binds to this table.
How can I control the Delete Method of the productsBindingSource everytime
when...more >>
How can I bind a control to an object declared at run time? Posted by Jamie Risk at 10/26/2006 3:44:17 PM I'm so lost. This has to be the 20th attempt at writing this
posting.
* I have a form with various controls.
* I have an object with associated properties
(accessible with get/set type of interface).
* I'd like to have the controls manipulate the
properties of the object...more >>
Simple data binding question Posted by Dmitry Nogin at 10/26/2006 2:33:04 PM Hi,
I tried to databind my object to the TextBox control:
=20
textBox1.DataBindings.Add(
new Binding("Text", new Test(), "Text"));
=20
The exception message was: {"Cannot bind to the property or column Text =
on the DataSource.\r\nParameter name: dataMember"}
=20
My datasour...more >>
Bound DataGridView with column decimal Posted by AnikSol at 10/26/2006 12:00:00 AM Hi All,
Ref: VB 2005 Prof, SQL Server 2005
We have a bound datagridview which has a column (say colidx = 1) whose
datatype is decimal. The db allows null values for this column.
If a user enters a value in this cell and tries to cancel his input by using
the backspace key ( meaning the ...more >>
Default value of a GUID field?! Posted by Leon_Amirreza at 10/26/2006 12:00:00 AM I have a column named "ID" and its type is "uniqueidentifier" in SQL Server
2005 Express.
this column is the primary key and its default value is "newid()" in SQL
Server.
I have generated a DataSet in C# that has this column but its default value
is DBNull what can I do to make the default...more >>
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Binding a DataSet with multiple takes to a BindingNavigator Posted by mordock32 NO[at]SPAM hotmail.com at 10/25/2006 2:43:26 PM I have a DataSet, let's say with two tables: one for jobs, one for
employees. I want to do something like this:
BindingSource bs = new BindingSource();
bs.DataSource = ds;
nav.BindingSource = bs;
However, when I try to do that, I get 1 of 1 records when there are
around 300 records in th...more >>
Determining which object has been removed from a BindingList Posted by Andy Paterson at 10/24/2006 10:52:16 PM I have a class that inherits from BindingList<T>. It raises the ListChanged
event.
When an object is removed from the list, how do I figure out which object
was removed? ListChanged e.NewIndex points to the object that is now in the
position where the removed one was. But I want to do so...more >>
ComboBox - Losing binding Posted by s26f84 NO[at]SPAM gmail.com at 10/24/2006 2:59:10 PM Hey Guys&Gals
my combo box is never empty it always have the text from the first
member of the table... Plz help
my code:
this.cbo.DataSource = SearchData.Tables["Name"];
this.cbo.ValueMember = "ID";
this.cbo.DisplayMember = "Name";
this.cbo.SelectedIndex = -1;
this.cb...more >>
Master/Detail Relationship Posted by Chuck P at 10/23/2006 2:31:02 PM I have a dataset (dsIntake) in the designer with a master/detail relation.
The relation is marked with Relation Only and Nested Relation
In the designer code it is:
this.relationIntakes_vwIntakeRelatedCases = new
System.Data.DataRelation("Intakes_vwIntakeRelatedCases", new
System.Data.Data...more >>
BindingSource.AddNew() locks TextBox.Text property?? Posted by tomse at 10/23/2006 10:33:03 AM Hello,
I have simple databinding of textbox to bindingsource(bound to
dataset), created in form constructor:
public Form3(string xyz)
{
InitializeComponent();
Program.bindingSource.AddNew();
textBox1.DataBindings.Add("Text", Program.bindingSourc...more >>
VS 2005 Dataset and DataAdapter Posted by Andrzej at 10/22/2006 11:01:26 AM Is it possible to add a Dataset using a control in Visual Studio 2005? I need to add a Dataset control, or some other object that will show up in the GUI as a "Data Source" for data-binding. The reason I need a DataSet is for its multiple-table capabilities - one of the custom controls I am using ...more >>
Binding a textbox to a nullable datatype. Posted by markk NO[at]SPAM nait.ca at 10/22/2006 10:41:27 AM I am wondering if there is a better solution, than the one I came up
with...
I am binding a textbox to a nullable float (float?) and want the
ability for the user to leave the textbox blank, indicating that it is
null. If you do not alter the behavior of the textbox, the user, when
attempting...more >>
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