Sort Observable Collection Object In WPF
The snippet below sorts the Observable Collection object which is scriptInfo using time_start which is a property of a strongly typed class. scriptInfo.OrderBy(i => i.time_start); Cheers!
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WPF Scroll Viewer Slow Performance (Bind Control Height From Another Object Using Code)
In this post, I created a datagrid dynamically or from code. When a record is loaded, the scrolling is slow using Scrollviewer control. So to translate into code behind here's what i come up. Binding bindHeight = new Binding(); bindHeight.ElementName = String.Format( "sizingElement{0}" , index + 1); bindHeight.FallbackValue = 1; bindHeight.Path = new PropertyPath( "ActualHeight" ); //mapGrid is the datagrid object mapGrid.SetBinding(DataGrid.HeightProperty, bindHeight); XAML Markup: <StackPanel x:Name= "spThur" Height= "Auto" Background= "Green" HorizontalAlignment= "Left" Orientation= "Horizontal" > <Rectangle Name= "sizingElement4" Fill= "Transparent" Margin= "1" Height= "333" /> </StackPanel> The mapGrid datagrid is added to the stackpanel. And the Rectangle object is the sizing element.I found the solution from this ...
WPF How To Set Color Value Using Hexademical Value
Here's a snippet that passes a hexa color and set a wpf control object's background/foreground property. BrushConverter bc = new BrushConverter(); Brush brush; brush = (Brush)bc.ConvertFrom( "#003F87" ); notes.SetValue(TextBlock.BackgroundProperty, brush); Original Source: http://jammer.biz/blog2/?p=169 Greg
Access Datagrid Row In WPF Through Index
Hi All, This is just a repost from this site: Accessing DataGridRow on how to get or access the WPF Datagrid row through index. DataGridRow dgr = (DataGridRow)dataGrid1.ItemContainerGenerator.ContainerFromIndex(nRowIndex); if (dgr == null ) // row might be invisible (top / bottom). So, scroll into the view and get it { dataGrid1.UpdateLayout(); dataGrid1.ScrollIntoView(dataGrid1.Items[nRowIndex]); dgr = (DataGridRow)dataGrid1.ItemContainerGenerator.ContainerFromIndex(nRowIndex); } Thanks for the original contributor, this helped me a lot.
Loop Through Datagrid In WPF (ItemSource Is Type Observable Collection)
Hello, Assuming the databinding source of WPF Datagrid is of type ObservableCollection, the code below will loop through the WPF DataGrid. var row = GetDataGridRows(dgScripts); foreach (DataGridRow r in row) { CScriptsInfo info = (CScriptsInfo)r.Item; if (info.prog_name.ToString().Contains(txtScriptName.Text.Trim().ToUpper())) { r.IsSelected = true ; } }
Count Record In Every Hour Of A Given Day In (MySQL Database
Here is a query to count records gathered in every hour of a given day. The date_visited is a 24 hour time format which is of timestamp data type. The idea came from a fellow developer.. select hour(time(date_visited)) as hour_of_day_24_hour_format, count (hour(time(date_visited))) as count_per_hour from tblpropsale_v2 where date(date_visited) = '2012-05-07' and web_id = 642 and is_visited = 1 group by hour(time(date_visited)) order by hour(time(date_visited)) asc ;