WPF DataGrid with SelectionMode="Multiple" as ListView?

Question

1.00/5 (1 vote)

See more:

For WPF DataGrid, you have 2 Selection Modes: Single and Extended.
For WPF ListView, you have 3 Selection Modes: Single, Multiple and Extended.

My requirement is to get the Datagrid to select items as the Multiple SelectionMode in ListView. This means:
- you select multiple items without pressing Ctrl and
- multiple items are not selected while dragging mouse inside DataGrid.

Yeah, I know I can use the ListView and style it to look like the desired Datagrid, but there's too much work done already on it (styles, event setters, DataGridCheckBoxColumns, DataGridTemplateColumns and lots more).

Has anyone solved this before? No matter if it's using code behind or extending Datagrid.

Posted 23-Apr-13 8:15am

GRF75

Updated 24-Apr-13 8:27am

v2

Add a Solution

Comments

Sergey Alexandrovich Kryukov 23-Apr-13 14:26pm

Your "there's too much work done already on it" is not a valid justification for not doing some more... I don't see how this question could make any sense.
—SA

3 solutions

Solution 1

Shouldnt be much of an issue, you could read about the differences between a ListView and A DataGridView here:
WPF DataGrid Practical Examples[^]

And how to do multiselect here:
http://stackoverflow.com/questions/2615271/wpf-datagrid-multiselect-binding[^]

So, no worries? :-)

Posted 23-Apr-13 9:18am

Kenneth Haugland

Solution 3

http://msdn.microsoft.com/en-us/library/system.windows.controls.listbox.selectionmode(v=VS.95).aspx[^]

Posted 24-Apr-13 12:57pm

Clifford Nelson

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

GRF75 · Accepted Answer · 2013-04-24T08:25:00

From different sources from the web, this finally worked:

In XAML:

XML

<DataGrid.RowStyle>
    <Style TargetType="{x:Type DataGridRow}">
        <EventSetter Event="PreviewMouseDown" Handler="DataGridRowPreviewMouseDownHandler"></EventSetter>
    </Style>
</DataGrid.RowStyle>

In code-behind:

C#

private void DataGridRowPreviewMouseDownHandler(object sender, MouseButtonEventArgs e)
        {
            if (e.LeftButton == MouseButtonState.Pressed)
            {
                var row = GetVisualParentByType((FrameworkElement)e.OriginalSource, typeof(DataGridRow)) as DataGridRow;
                if (row != null)
                {
                    row.IsSelected = !row.IsSelected;
                    e.Handled = true;
                }
            }
        }

        public static DependencyObject GetVisualParentByType(DependencyObject startObject, Type type)
        {
            DependencyObject parent = startObject;
            while (parent != null)
            {
                if (type.IsInstanceOfType(parent))
                    break;
                else
                    parent = VisualTreeHelper.GetParent(parent);
            }

            return parent;
        }