To fix a column, enable horizontal scroll ( HorizontalScrollBarMode) and set the column’s FixedStyle property to Left. The grid allows you to fix columns on the left side and display these columns onscreen when the columns’ total width exceeds the grid width. Specify the CellRowSpan and CellRowSpan properties to arrange a column header and data cells in a data cell band layout. Header bands ( GridViewBandColumn) organize grid columns into logical groups and display hierarchical multi-row headers.ĭata cell bands ( Columns) allow you to display a data record hierarchically. The grid control enables you to organize columns in logical groups (bands) and display them in multiple rows. Learn more | See demo Header and Data Cell Bands You can use the AllowDragDrop property to allow users to move all grid columns or a column’s Settings.AllowDragDrop property to enable drag and drop for an individual column. The grid control supports drag-and-drop functionality that allows you to move a column to a different position. You can resize a column header to modify the column’s width ( SettingsResizing). The grid control displays data fields as columns and records as data rows. Data sources contain data as fields and records. The grid control displays data in a table format. The EditFormLayoutProperties property allows you to customize the edit form layout. You can use any controls to create a custom layout for the edit form. The grid includes the following built-in edit modes that allow users to edit grid data ( Mode): Use the CustomUnboundColumnData event or specify the UnboundExpression property to populate an unbound column with data. The grid control supports unbound columns that are not bound to any data source field. In this mode, the grid loads only required items to the server memory and implements data-aware operations (for example, filtering) at the database level. Learn more | See demo Database Server Mode DataSourceID and DataSource specify the data source’s ID and data source object. Use the KeyFieldName property to set a data source’s key field name. You can bind the grid to any standard data source type: SqlDataSource, ObjectDataSource, XmlDataSource, AccessDataSource, and SiteMapDataSource. The grid displays data source fields and records as columns and rows in a table.ĪSPxGridView is the GridView Control on the server side, and ASPxClientGridView is its client-side equivalent.
#Devexpress grid download
Here is the download of the sample project: DxGridEditing.The GridView control allows you to display data from a data source in a grid. I'll continue with more details a bit later. I was going to continue for a bit by mentioning a few of the customizations that can be made to the editing settings, but I stumbled upon a few issues that need research. So it's important to be aware of this setting, because it defines which editor will be used. The settings that are provided out of the box (TextEditSettings, CheckEditSettings, ComboBo圎ditSettings and DateEditSettings) encapsulate the editor types that our grid supports at the time of writing. The final thing I want to mention here is the configuration of the EditSettings property. Leaving AllowEditing on its Default value, but setting ReadOnly to True has the result that the editor for a column is still available, but the value can't be changed. As an alternative, there's also a ReadOnly property, which I personally find very useful – in a situation where some grid columns are editable, it's often sensitive to allow the user access to the values in the other, non-editable columns, for copying to the clipboard. Setting this to False (assuming the parent default is True) disables editing for this column entirely. First, the column also has an AllowEditing property, and it's default value is Default, meaning it takes its value from its parent. There are two settings that come in handy. The AllowEditing settings on the GridControl and the GridColumnView act as defaults, but each column has the final word when a decision about editing must be made. Easy enough to do – get rid of the AutoPopulateColumns attribute on the GridControl and add a few GridColumn instances instead (bring up the GUI editor for the GridControl.Columns property if you don't like to do the typing).įrom this point, it's easy to configure per-column settings, and that includes whether or not a certain column can actually be edited. In my code, I've been using automatic column creation so far, and I have to switch over to pre-configured columns in order to do this. The first thing I want to do is switch off editing for one or more columns.
#Devexpress grid how to
The default being what it is, the question is obviously how to go about changing that.
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