How to Filter a DataGridView's DataTable Without Modifying the Datasource?

DataGridView data filtering: Data source

In DataGridView, the data filtering method is diverse, depending on the type of data source. This article focuses on how to filter Dataset data in DataSet.

Existing method

Usually use the following methods to filter data in DataGridView:

Data source is datatable:

This method directly filter the bottom data by setting the rowfilter property of the Datatable DefaultView.

• The data source is bindingSource: Similar to the previous method, this technology uses the Filter attribute of BindingSource to filter.
• Challenge using DataSet as the data source
However, when using datatable binding to DataSet, the filter may become complicated. Setting the rowfilter property of Datatable DefaultView will not automatically update the DataGridView display automatically.

Solution

The key to filtering the DataSet in DataSet without changing the data source is to use Datatable's defaultView. The following code demonstrates how to achieve:

By accessing the DataSource attribute of DataGridView and converting it into DataTable, we can access its DEFAULTVIEW. You can then set the Rowfilter property to the required filter. This method ensures that data sources remain unchanged when filtering data in DataGridView.

The above is the detailed content of How to Filter a DataGridView's DataTable Without Modifying the Datasource?. For more information, please follow other related articles on the PHP Chinese website!