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Bitwise operators in RowFilter Posted by Paul S at 2/28/2008 2:25:00 AM
I want to set the DataSourse of a ComboBox and for that a have a DataTable
containing the data.
I only want a subset of the data bound to my ComboBox so I create a DataView
and try to select
the data using a RowFilter. The table has a numeric column on which I want
to base my selection us...more >>
VB .NET combobox advanced databinding question Posted by Brad Overstreet at 2/25/2008 7:09:01 AM I have a form which has a databound combobox on it. The display is bound to
one part of the data and the selection is bound to the other. The selected
value is bound to another binding source item. This works fine when I only
want to bind the selected value to another object. In my case I ...more >>
Enlighten me please! Posted by Carl Johansson at 2/21/2008 4:54:46 PM Suppose I have this:
listBox1.DataSource = listView1.Items;
listBox1.DisplayMember = "Text";
comboBox1.DataSource = listView1.Items;
comboBox1.DisplayMember = "BackColor";
Now, if I click on an item in listbox1, the same item is automatically
selected in combobox1, and vice ...more >>
?? Bindings are Ignored on Form Size and Location ?? Posted by Tom Baxter at 2/18/2008 3:32:47 PM Hello all,
I'm trying to bind my Form's ClientSize and Location properties to entries
in the app.config file. When the user resizes and/or moves the form, I want
the changes in the form's size and location to be saved back to the
app.config file.
In the "(Application Settings)" of the fo...more >>
CheckedListBox -> Manually Adding Objects Posted by Chevron Boyde at 2/17/2008 2:37:22 PM Hi All
I need to add items to a CheckedListBox. I need to use the DisplayMember &
ValueMember properties as I have a SupplierID & SupplierName to work with.
I also need to default all Items to be checked when adding them.
I am able to Bind using a <List> but then need to check all the ite...more >>
DataGridView and sorted DataView - how to locate table row? Posted by Tom Dacon at 2/17/2008 2:31:07 PM I'm using a DataGridView bound to a DataView on an underlying DataTable.
Starting from the grid row index, how can I locate the row in the underlying
DataTable's rows collection?
All I've got is the row index, which after sorting no longer matches the
Datatable Rows collection index for the...more >>
DB Updates not reaching Database Posted by Morris Neuman at 2/7/2008 6:41:01 PM I created a very simple walkthrough C# project in VS2005, just a blank form
with a detail view of a data table. I create a data source with an existing
SQL database file using an SQLCLient connection. SQL express server is
installed. THe "Test Connection" passes OK and The data preview from...more >>
NoNullAllowedException when adding new row to bindingsource Posted by Magnus.Moraberg@gmail.com at 2/6/2008 7:27:03 AM Hi,
How do I catch the NoNullAllowedException as produced via the
following setup -
I have a table with two colums - id and name. Neither allow null
values. id is the primary, and auto-increments when a new value is
added.
On my form I have a text box bound to name. I also have a binding...more >>
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prm = Nothing Posted by Will at 2/5/2008 7:06:01 AM Just curious...
Given:
Dim cmd As New SqlClient.SqlCommand
...
Dim prm1 As New SqlClient.SqlParameter("@ID",'DOG')
cmd.Parameters.Add(prm1)
Does
cmd.Parameters.Clear
remove the prm1 from memory, or just from the cmd Parameters list?
Should I als...more >>
sending image file to MS Access database in VB .Net 2005 Posted by kamran at 2/4/2008 7:43:28 AM Hi!
i have asked this question befoe but i did not eceive any reply on that. so
i have to ask it again.
i want to know that how can i store a picture in my MS access database
file (*.mdb). i curently have a VB .Net application which has a form
(frmcustomers) and a MS access database. the custom...more >>
How to catch exceptions thrown by BO when using binding Posted by Clay at 2/2/2008 10:56:00 AM If I databind a BO that I created and to a textbox, and the BO throws an
exception rejecting a value, how can I catch that exception?
In the sample below, if I enter a value over 100 into TextBox1, focus does
not move from TextBox1 and the 'Validated' event does not fire. I don't see
how I...more >>
Making a change to a check box cell instant Posted by Cartoper at 2/1/2008 12:45:23 PM I have a data grid that has a check box in one column. I would like
the value in the dataset to change as the user clicks on the check
box, not after they click on another row. How do I do that?...more >>
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