ASPxGridView.Columns Property
Provides access to a GridView’s column collection.
Namespace: DevExpress.Web
Assembly: DevExpress.Web.v24.2.dll
NuGet Package: DevExpress.Web
#Declaration
[DefaultValue(null)]
public GridViewColumnCollection Columns { get; }
#Property Value
Type | Default | Description |
---|---|---|
Grid |
null | A Grid |
#Remarks
The Columns property stores a collection of GridViewColumn objects that represent columns. It provides methods that allow you to add new and remove existing columns. Individual columns can be accessed using indexed notation.
#Concept
#Example
In markup:
<dx:ASPxGridView ID="grid" ClientInstanceName="grid" runat="server" DataSourceID="SqlDataSource1" KeyFieldName="ProductID">
<Columns>
<dx:GridViewCommandColumn ShowSelectCheckbox="false" />
<dx:GridViewDataColumn FieldName="ProductID" />
<dx:GridViewDataColumn FieldName="ProductName" />
<dx:GridViewDataColumn FieldName="UnitPrice" />
</Columns>
</dx:ASPxGridView>
In code:
using DevExpress.Web;
...
protected void Page_Load(object sender, EventArgs e) {
ASPxGridView grid1 = new ASPxGridView();
grid1.ID = "grid1";
grid1.AutoGenerateColumns = false;
grid1.DataSourceID = "SqlDataSource1";
grid1.KeyFieldName = "ProductID";
grid1.Columns.AddRange(new GridViewDataColumn[]{
new GridViewDataColumn { FieldName="ProductID", ReadOnly = true, VisibleIndex = 0},
new GridViewDataColumn() { FieldName = "ProductName", VisibleIndex = 1 },
new GridViewDataColumn() { FieldName = "UnitPrice", VisibleIndex = 2 },
});
Page.Form.Controls.Add(grid1);
}
Result:
#Online Demos
#Related GitHub Examples
The following code snippets (auto-collected from DevExpress Examples) contain references to the Columns property.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.