bindable listview seems to duplicate entries

Question

0.00/5 (No votes)

See more:

.NET3.5

VS2008

, +

I downloaded Ian Griffiths bindable listview code and successfully bound an XML file to it. I am having problems when trying to add a new row of information however. The row adds to the dataset and even saves to the XML file properly but it keeps displaying the item twice in the listview. Below is the code I use to add the new row:

PC_Milestone_Form pcmf = new PC_Milestone_Form();
DialogResult res = pcmf.ShowDialog();
if (res == DialogResult.OK)
{
    //add new milestone
    ProjectCommander.MilestoneItemRow row = projectCommander.MilestoneItem.NewRow() as ProjectCommander.MilestoneItemRow;
    row["Date"] = pcmf.textBox_Date.Text;
    row["Event"] = pcmf.textBox_Milestone.Text;
    row["project_ID"] = _projectID;
    projectCommander.MilestoneItem.AddMilestoneItemRow(row);           }

The question is am I adding the row incorrectly or is the bindable listview code I downloaded doing something wrong?

Further to this, when I delete an entry the next row in the listview disappears as well. However it isn't deleted from the XML file.

Is the code I show above the proper way to add a row of data to bound compenents?

Posted 30-Jan-11 12:52pm

Paul Hildebrandt

Updated 2-Feb-11 19:14pm

v3

Add a Solution

Comments

Sergey Alexandrovich Kryukov 30-Jan-11 18:54pm

Please, where is the reference to download the code you're using?

Paul Hildebrandt 30-Jan-11 20:00pm

http://www.interact-sw.co.uk/utilities/bindablelistview/source/

for bindable listview code

Henry Minute 30-Jan-11 20:18pm

What version of Visual Studio are you using? Which version of C# too, please?

Paul Hildebrandt 31-Jan-11 14:05pm

Visual Studio Tools for Applications 2.0 (VS 2008)
C# 2008
.NET 3.5 SP1

Mike_Finch 8-Jun-11 17:40pm

I have the deletion problem also. I have a BindingList for a data source, which I provide to the BindableListView. When I remove an item from the BindingList, the ListViewItem in the BindableListView associated with that item disappears, and so does the one for the next item.

When I call BindingList.Remove() to remove the desired item, I observe that:

* BindableListView.currencyManager_ItemChanged() is called, where the given ItemChangedEventArgs.Index is -1.

* That causes BindableListView.LoadItemsFromSource() to be called, which repopulates the ListViewItems.

* Then, BindableListView.bindingList_ListChanged() is called, where the given ListChangedEventArgs.ListChangedType is ItemDeleted. This causes another ListViewItem to be erroneously removed.

I experience this problem even when I encase my item removal in BeginUpdate...EndUpdate calls as Paul Hildebrandt suggested in his solution.

(For my own reference, this is a comment to a question titled "bindable listview seems to duplicate entries".)

1 solution

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)

Paul Hildebrandt · Answer 1 · 2011-02-04T17:11:00

Solution 1

Got the solution. I had to encase the above code with:

listview.BeginUpdate();

if condition code above here

projectCommander.AcceptChanges();
listview.EndUpdate();

Posted 4-Feb-11 17:11pm

Paul Hildebrandt