Defining Silverlight DataGrid Columns at Runtime

Microsoft news and tips » Defining Silverlight DataGrid Columns at Runtime

Microsoft news and tips » Defining Silverlight DataGrid Columns at Runtime — Tue, 15 Apr 2008 03:16:27 GMT

PingBack from http://microsoftnews.askpcdoc.com/?p=2411

Defining Silverlight DataGrid Columns at Runtime

Defining Silverlight DataGrid Columns at Runtime — Tue, 15 Apr 2008 09:59:29 GMT

Now that you know the <a href="http://blogs.msd

dynamic not working...

Rui Marinho — Wed, 16 Apr 2008 11:59:38 GMT

Hi there Scott, i m m trying to create de datagrid dynam but it dosen't show anything.. here is my code:

DataGrid dataGrid = new DataGrid();

dataGrid.GridlinesVisibility = DataGridGridlines.Horizontal;

dataGrid.HeadersVisibility = DataGridHeaders.Column;

dataGrid.ColumnWidth=85;

dataGrid.RowHeight=30;

if (operacao == "bomb")

{

//criar colunas dinamicas

DataGridTextBoxColumn textBoxColumn = new DataGridTextBoxColumn();

//criar header com sort

HyperlinkButton hyperbut = new HyperlinkButton();

hyperbut.Content = "Nº Int";

hyperbut.Tag = "nint";

hyperbut.Click += new RoutedEventHandler(Sort_Click);

hyperbut.TextDecorations = TextDecorations.Underline;

textBoxColumn.Header = hyperbut;

textBoxColumn.DisplayMemberBinding = new Binding("nint");

dataGrid.Columns.Add(textBoxColumn);

DataGridTextBoxColumn textBoxColumn1 = new DataGridTextBoxColumn();

//criar header com sort

HyperlinkButton hyperbut1 = new HyperlinkButton();

hyperbut1.Content = "Nome";

hyperbut1.Tag = "nome";

hyperbut1.Click += new RoutedEventHandler(Sort_Click);

hyperbut1.TextDecorations = TextDecorations.Underline;

textBoxColumn1.Header = hyperbut;

textBoxColumn1.DisplayMemberBinding = new Binding("nome");

dataGrid.Columns.Add(textBoxColumn1);

DataGridTextBoxColumn textBoxColumn2 = new DataGridTextBoxColumn();

//criar header com sort

HyperlinkButton hyperbut2 = new HyperlinkButton();

hyperbut2.Content = "Quadro";

hyperbut2.Tag = "quadro";

hyperbut2.Click += new RoutedEventHandler(Sort_Click);

hyperbut2.TextDecorations = TextDecorations.Underline;

textBoxColumn2.Header = hyperbut;

textBoxColumn2.DisplayMemberBinding = new Binding("quadro");

dataGrid.Columns.Add(textBoxColumn2);

re: Defining Silverlight DataGrid Columns at Runtime

scmorris — Wed, 16 Apr 2008 19:23:13 GMT

Hi Rui,

There are two things that could be missing from your code:

1) You are not setting the DataGrid's ItemsSource

2) You are not adding the DataGrid to the visual tree

I'll update the post to show how to add a DataGrid itself. Let me know if you are doing both those things and still running into trouble.

Thanks,

Scott

Silverlight Cream for April 16, 2008 - #252

Community Blogs — Wed, 16 Apr 2008 20:59:35 GMT

Corey Gaudin on The Next Web, Matt Casto's Scrolling Textbox, Martin Mihaylov with an Image Control

April 28th Links: ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight

ScottGu's Blog — Tue, 29 Apr 2008 08:35:44 GMT

Here is the latest in my link-listing series .  Also check out my ASP.NET Tips, Tricks and Tutorials

April 28th Links: ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight

BusinessRx Reading List — Tue, 29 Apr 2008 09:00:00 GMT

Here is the latest in my link-listing series .  Also check out my ASP.NET Tips, Tricks and Tutorials

April 28th Links: ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight

Mirrored Blogs — Tue, 29 Apr 2008 09:21:13 GMT

Here is the latest in my link-listing series .  Also check out my ASP.NET Tips, Tricks and Tutorials

4月28日链接篇： ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight

Joycode@Ab110.com — Wed, 30 Apr 2008 06:04:03 GMT

【原文地址】 April 28th Links: ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight 【原文发表日期】 Monday, April 28, 2008

28ste April links: ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight

Scott Guthrie's Blog in Dutch — Wed, 30 Apr 2008 16:36:54 GMT

Hier vind je mijn laatste link-lijst series . Bekijk ook mijn ASP.NET Tips, Tricks and Tutorials pagina

Links do dia 28 de Abril: ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight

ScottGu's Blog em Português — Sat, 03 May 2008 00:52:32 GMT

Aqui está a última versão da minha série de listas de links . Verifique também minha página de Dicas

re: Defining Silverlight DataGrid Columns at Runtime

Jordy — Wed, 21 May 2008 16:11:11 GMT

Is there a way to add a row in the datagrid? Something like this?

targetDataGrid.Rows.Add(templateRow)

re: Defining Silverlight DataGrid Columns at Runtime

Jordy — Wed, 28 May 2008 10:34:10 GMT

Is it also possible to add a DataRow in code behind?

For the Colums you can use: dataGridName.Columns.Add(columnName);

But there is no: dataGridName.Rows.Add(rowName); You can define a datagridrow ( DataGridRow rowName = new DataGridRow() ), but than you can't add it to the dataGrid.

re: Defining Silverlight DataGrid Columns at Runtime

scmorris — Sat, 31 May 2008 05:29:18 GMT

Hi Jordy,

Unfortunately all of the rows in the Silverlight DataGrid need to have an equivalent item in the collection that it is bound to, and the "unbound" behavior that you are requesting is not supported currently in the DataGrid. Depending on what you want to accomplish with the new rows there are a couple of paths you could take including adding proxies in your collection, or retemplating the DataGrid to have a row frozen at the bottom used for something like a totals row.

Hope this helps.

- Scott

April 28th Links: ASP.NET, ASP.NET AJAX, ASP.NET MVC, Silverlight

Readed By Wrocław NUG members — Sun, 15 Jun 2008 18:27:11 GMT

Here is the latest in my link-listing series .  Also check out my ASP.NET Tips, Tricks and Tutorials

re: Defining Silverlight DataGrid Columns at Runtime

Alphatester001 — Fri, 27 Jun 2008 11:01:46 GMT

Hi,

with the xamlReader how do you add an event handler? - if you define it within the stringBuilder, the xamlReader throw an exception. I tried to define it through a style in a ResourceDictionary that I merge later on. If I look for style entry in the resourceDictionary it is there, same for the dataTemplate,but I get an error when the control get rendered. the error is : Cannot find resource named '{mystyle}'. Resource names are case sensitive. Error at object 'System.Windows.Controls.ComboBox' . I double checked in the template I referred to mystyle and same thing in my second dictionary.So error message is inappropriate. It is more an issue to locate the style in the dictionary... any clue?

re: Defining Silverlight DataGrid Columns at Runtime

rtr0mdrn — Thu, 17 Jul 2008 17:03:19 GMT

Scott, I would like to know how to add a column dynamically after all autogenerated columns have been created. In other words I would like for the grid to generate columns using the binding context, and after this has completed insert a more static or functional column (such as a button) which can be used to interact with the bound data or add additional features. I see the autogenerating column event but there does not appear to be any eventing related to binding having completed or all column generation completed. Is it possible to mix autogeneration with static column insertion and if so how best to do this at runtime? Thanks.

re: Defining Silverlight DataGrid Columns at Runtime

johnzabroski — Fri, 18 Jul 2008 04:54:09 GMT

Is it okay to specify a ConverterParameter using XML literals in the C# code behind? I basically copied your XML literal example verbatim, but added a ConverterParameter and instead of the source value being a property, it was a whole collection with the ConverterParameter used as a key to pick an item in the collection. Sort of like LINQifying David Anson's IValueConverter SwissArmyKnife PropertyViewer.

re: Defining Silverlight DataGrid Columns at Runtime

johnzabroski — Fri, 18 Jul 2008 21:31:04 GMT

Scott,

I am not sure your code here is 100% correct. You show how to dynamically construct XAML using a CLR StringBuilder and then pass that into XamlReader.Load(string). Do XML fragments have to be fully-qualified using <?Mapping XmlNamespace="blah" ClrNamespace="clr-blah-app" Assembly="blah-assembly" ?> ?

I keep getting ManagedRuntime 4004 exceptions when I try to use your approach above.

Silverlight 文章收集

木野狐(Neil Chen) — Tue, 22 Jul 2008 05:36:48 GMT

(以下内容全部整理自博客堂Scottgu博客中文版)Silverlight技巧，诀窍，教程和链接【原文地址】SilverlightTips,Tricks,...

re: Defining Silverlight DataGrid Columns at Runtime

SLNewb — Thu, 18 Sep 2008 12:45:35 GMT

The columns part of this is real handy.

For the resources method, it would be helpful to me for the example to include the following:

- reference necessary for dateconverter (or class def), can't seem to find this in my project.

- xmlns definition required

- example of locating this resource template outside the control.xaml (which seems to be the most likely usage, yes?)

re: Defining Silverlight DataGrid Columns at Runtime

oneone — Wed, 01 Oct 2008 09:39:23 GMT

is possible to add a listbox ?

Silverlight 2 DataGrid is Released

Scott Morrison — Wed, 15 Oct 2008 09:46:05 GMT

As you might have heard , we just released Silverlight 2 , and with it the first version of the Silverlight

re: Defining Silverlight DataGrid Columns at Runtime

Ronnie Meijer — Sat, 18 Oct 2008 00:37:27 GMT

I have a simple datagrid and I want to align one column to the right.

Is there a way to do this dynamically.

re: Defining Silverlight DataGrid Columns at Runtime

marjolein — Tue, 04 Nov 2008 15:34:17 GMT

How can I bind a two-dimensional object? So I don't know in advance how many columns there are. Each columns contains a set of values. The itemSource of my datagrid is the collection of columns, but what is then the binding of my value in the columns?

Column1 Column2 ...

Item 1 0 6

Item 2 1 8

Item 3 5 0

...

WPF Datagrid with DataGridColumn

Hema — Wed, 03 Dec 2008 11:59:43 GMT

To display a cell having multiple columns at runtime i would like to have a datagridcolumn on cell click or a datagridcomboboxcolumn which can display multiple columns at runtime

re: Defining Silverlight DataGrid Columns at Runtime

Andrus — Sat, 21 Feb 2009 21:39:27 GMT

How to add event handler using XamlReader.Load method ?

Code below causes exception AG_E_PARSER_BAD_PROPERTY_VALUE

I tried to move AddToCart_Click method to Page class but problem persists.

Or is it possible to set click event handler in code ?

Andrus.

Page.xaml:

<UserControl xmlns:data="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data" x:Class="DataGridDynamicColClickHandler.Page"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">http://schemas.microsoft.com/winfx/2006/xaml/presentation"">http://schemas.microsoft.com/winfx/2006/xaml/presentation">http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"">http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:myGrid="clr-namespace:DataGridDynamicColClickHandler"

<myGrid:DataGridBase x:Name="InventoryList"></myGrid:DataGridBase >

</Grid>

</UserControl>

Page.xaml.cs:

using System.Windows;

using System.Windows.Controls;

using System.Windows.Markup;

namespace DataGridDynamicColClickHandler

{

public partial class Page : UserControl

{

public Page()

{

InitializeComponent();

InventoryList.Create();

}

public class Product

{

public string Name { get; set; }

}

public class DataGridBase : DataGrid

{

public void Create()

{

ItemsSource = new Product[] { new Product { Name = "Apple" }};

DataGridTemplateColumn xtemplateColumn = new DataGridTemplateColumn();

xtemplateColumn.CellTemplate = XamlReader.Load(string.Format(@"<DataTemplate

xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation">http://schemas.microsoft.com/winfx/2006/xaml/presentation'

xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'

xmlns:myGrid=""clr-namespace:DataGridDynamicColClickHandler""

</DataTemplate>"

)) as DataTemplate;

Columns.Add(xtemplateColumn);

}

public void AddToCart_Click(object sender, RoutedEventArgs e)

{

}

re: Defining Silverlight DataGrid Columns at Runtime

Jason Young — Fri, 06 Mar 2009 23:55:08 GMT

Hi Scott, any idea how I can get a frozen column on the right hand side of the grid?

re: Defining Silverlight DataGrid Columns at Runtime Error on Blend!!!!!

Beto — Wed, 11 Mar 2009 00:43:39 GMT

Hi, when i use the below XAML to create the DataTemplates as resources to support the code for this method.

<UserControl.Resources>

<local:DateTimeConverter x:Key="DateConverter" />

<TextBlock

Text="{Binding Birthday,

Converter={StaticResource DateConverter}}"

Margin="4"/>

</DataTemplate>

Blend close in same time !!!!!

just paste de follow xaml :

Converter={StaticResource DateConverter}}"

Makes the Blend close , a messageBox show a internal error . please help!!!

sorry my bad inglish!

Thanks

re: Defining Silverlight DataGrid Columns at Runtime

John — Wed, 11 Mar 2009 19:27:55 GMT

Has anyone added a summary /totals to a templated data grid (other than devexpress) ... or to a plain grid?

Did you use grid/cell events to trigger recalculation once changes were made to the underlying observable collection?

re: Defining Silverlight DataGrid Columns at Runtime

Rick Kierner — Wed, 25 Mar 2009 20:38:52 GMT

Good post. Very helpful. It's working for me the way you've explained it. I'm creating dynamic data columns just fine. My problem is when I want to handle the click event or text changed event of one of my columns. If I use a static column template, the event will fire. If I use a dynamic template, I get a parse error identifying the Click="MyClickEventHandler" section of code. Ideas?

re: Defining Silverlight DataGrid Columns at Runtime

Tony — Tue, 07 Apr 2009 08:09:12 GMT

Hi Scott;

How can some access control in datagrid ?

re: Defining Silverlight DataGrid Columns at Runtime

Servando — Wed, 17 Jun 2009 03:49:47 GMT

I'm using Silverlight 2.0 and trying the XamlReader Method.

I'm doing a basic sample with just one column, added stackpanel to the page and a datagrid with name TestGrid to the panel.

My project's name is DBGridTest, the class' name is the default (Page).

I changed your code and instead of YourNamespace putted "DBGridTest" which is the namespace for my project

and instead of YourAssembly putted "DBGridTest.Page".

I have a class with Birthday property of DateTime type, just that property for now.

I create a generic List of theis class and add 5 elements to it.

Then in the Page constructor after InitializeComponent() y put the following:

TestGrid.Columns.Add(templateColumn);

TestGrid.AutoGenerateColumns = false;

TestGrid.ItemsSource = employeelist;

When I set the Datagrid height small so that only the headers are shown it runs ok.

But if I change the height so that the column's content will would be shown the iexplore.exe throws and exception 5828.

when instead of adding the columns I set AutoGenerateColumns = true; it all runs ok.

Am I missing a property on the DataGrid or something else?

re: Defining Silverlight DataGrid Columns at Runtime

Kamran — Sun, 19 Jul 2009 22:18:58 GMT

Thanks for the great post. I've referred to it several times :)