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Docs > Grid View > Data Representation Basics > Columns > Data Columns
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Data Columns

  • 3 minutes to read

Data Columns are used to display and edit data. The Bootstrap Grid View supports both bound and unbound data columns.

  • Bound data columns represent fields in the Bootstrap Grid View‘s data source. Their GridViewDataColumn.FieldName properties refer to valid fields in a data source.
  • Unbound columns are not bound to any field in a data source. These columns must be populated manually.

 

There are fifteen types of server data columns.

Class Name Description
BootstrapGridViewBinaryImageColumn Represents a data column used to display images from a binary stream.
BootstrapGridViewButtonEditColumn Represents a data column with the button editor.
BootstrapGridViewCheckColumn Represents a data column used to display and edit data from a Boolean data field.
BootstrapGridViewColorEditColumn Represents a data column whose values are edited using the color editor.
BootstrapGridViewComboBoxColumn Represents a data column whose values are edited using the combo box editor.
BootstrapGridViewDataColumn Represents a data column that automatically determines the type of its editors based on the type of a data field.
BootstrapGridViewDateColumn Represents a data column used to display and edit a DateTime data field.
BootstrapGridViewDropDownEditColumn Represents a data column with an editor containing a customizable dropdown window.
BootstrapGridViewHyperLinkColumn Represents a data column with a hyperlink functionality.
BootstrapGridViewImageColumn Represents a data column used to display images from specified URLs.
BootstrapGridViewMemoColumn Represents a data column used to display and edit memo data.
BootstrapGridViewProgressBarColumn Represents a data column with the Progress Bar editor.
BootstrapGridViewSpinEditColumn Represents a data column used to display and edit numeric data.
BootstrapGridViewTagBoxColumn Represents a data column with the tag box editor.
BootstrapGridViewTextColumn Represents a data column used to display and edit text.
BootstrapGridViewTimeEditColumn Represents a data column used to display and edit time portions of DateTime values.

On the client, data columns are represented by ASPxClientGridViewColumn objects.

Behavior

Since different types of data columns present different types of data, they provide their own editors. For example, Boolean values are edited using a check box editor, while DateTime values are edited using a DateTime editor. To access and customize the column editor’s settings, use the GridViewEditDataColumn.PropertiesEdit property.

Data columns provide a set of Boolean properties that enable you to specify which elements of a column’s functionality (sorting, grouping, etc.) are available to end-users. These options can be accessed using the GridViewDataColumn.Settings property.

To make a column read-only, set its GridViewDataColumn.ReadOnly property to true.

Visibility

The column’s visibility is specified by its WebColumnBase.Visible property. Its position among other visible columns is specified by its WebColumnBase.VisibleIndex property.

See Also