This means that you need to loop through a recordset by yourself, and fill up the listview-control. Needless to say that this is a very time-consuming operation, while the DataGrid control is build for db-support and therefore is much faster. So in terms of speed and effectivity the DataGrid will most definitely win from a ListView. Quick Navigation Visual Basic 6. NET Framework. How hard would it really be to port to Windows 8? All times are GMT The time now is PM. Copyright TechnologyAdvice.
Handling the SearchForVirtualItem event enables searching in virtual mode. If the calculation or lookup to create a ListViewItem object is expensive, maintaining a cache can improve performance. If the View property is set to Tile, the value will automatically be changed to LargeIcon when VirtualMode is set to true. In virtual mode, the Items collection is disabled.
Attempting to access it results in an InvalidOperationException. The same is true of the CheckedItems collection and the SelectedItems collection. If you want to retrieve the selected or checked items, use the SelectedIndices and CheckedIndices collections instead. If you want to do something like this, load the first rows and the last When the user scrolls down a hundred rows, load the next batch automatically. Play with the numbers until you get something that feels smooth for the user without actually loading 50K rows.
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Learn more. What's better to use: a DataGrid or ListView for displaying large amounts of data? Ask Question. Asked 10 years, 5 months ago. Active 10 years, 5 months ago. Viewed 37k times. Improve this question. There is no 'better' with numbers like this. Better is 50 rows, the number of rows you can expect a human to read without wanting to uninstall your program.
Test both solutions and see results. I recently used DataGridView for displaying over k rows - if a user makes data selection like this - and haven't noticed any performance issues if you disable column's autoresizeing. Of course there are some delays, but for such larage ammount of data - acceptable. All depends on your project. Add a comment. Active Oldest Votes. As the documentation says: Virtual mode is designed for use with very large stores of data. Improve this answer.
Repeater control is derived from Control class. Repeater simply repeats data given in templates. Repeated data is usually HTML code mixed with records from data source. Repeater's output is not predefined. Because of that, Repeater demands most work to define template. In return it gives us most flexibility to build layout and optimize presentation. With same template and same data set, Repeater usually works faster of DataList or GridView controls.
This is mostly because of DataReader class, which is used for read only access. By default, Repeater is good for displaying of data.
It is not best choice if you need editing of data. Also, by default it doesn't provide paging and sorting of records. DataList is somewhere between Repeater and GridView, in many ways looks like a compromise between these two. DataList has more features but more limited in design when compared to Repeater.
In the other hand, it has more flexibility and less features than GridView. These properties are useful when you need to create presentation with more than one record per row, like image gallery, product catalog etc.
For example, let say you are creating an image gallery and want to show 5 images per row. Repeater would require checking of record position and manipulating HTML. In addition to this, GridView is most complex control and have most properties.
Numerous features include data paging, sorting, updating and deleting of records. First versions of ASP. NET had DataGrid control. NET 2. GridView displays data in form of grid. Rows and columns are represented as HTML table. This is very useful if you need grid-like presentation. If you need to present data in table layout, then GridView requires a minimum of effort.
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