By default, an end user can show and hide the Search Panel when required. To display the Search Panel, an end user should press CTRL+F or select the 'Show Search Panel' item of a column's context menu. To hide the Search Panel, an end user should do one of the following: click the Close button (if visible), use ESC (the first press clears the search box; the second press closes the Search Panel) or select the 'Hide Search Panel' item of a column's context menu.
Searches are performed against a string specified by an end-user in a Find Panel's edit box. To specify a search string in code, use the DataViewBase.SearchString property.
DataViewBase.SearchColumns. By default, this property is set to "*". In this instance, a search is performed against all visible columns. To search against specific columns, specify the corresponding field names, delimiting them with the ";" character. You can also use the ColumnBase.AllowSearchPanel property to specify whether the column data is taken into account when using the search panel.