aspnet-devexpress-dot-web-dot-cardviewformlayoutproperties.md
Provides access to the collection of items placed in the edit form layout.
Namespace : DevExpress.Web
Assembly : DevExpress.Web.v25.2.dll
NuGet Package : DevExpress.Web
public CardViewLayoutItemCollection Items { get; }
Public ReadOnly Property Items As CardViewLayoutItemCollection
| Type | Description |
|---|---|
| CardViewLayoutItemCollection |
An CardViewLayoutItemCollection object that is a collection of layout items.
|
This example shows how to create and customize a custom command button. The custom “Filter” button CardViewCustomCommandButton is added to the CustomButtons collection. To define an action of the custom “Filter” button, the CustomButtonCallback event is handled.
<dx:ASPxCardView ID="ASPxCardView1" runat="server" DataSourceID="AccessDataSource1" KeyFieldName="CustomerID" AutoGenerateColumns="False" OnCustomButtonCallback="ASPxCardView1_CustomButtonCallback">
<SettingsBehavior AllowFocusedCard="true" />
<Columns>
<dx:CardViewTextColumn FieldName="CompanyName" VisibleIndex="1">
</dx:CardViewTextColumn>
<dx:CardViewTextColumn FieldName="ContactName" VisibleIndex="2">
</dx:CardViewTextColumn>
<dx:CardViewTextColumn FieldName="City" VisibleIndex="5">
</dx:CardViewTextColumn>
<dx:CardViewTextColumn FieldName="Region" VisibleIndex="6">
</dx:CardViewTextColumn>
<dx:CardViewTextColumn FieldName="Country" VisibleIndex="8">
</dx:CardViewTextColumn>
</Columns>
<CardLayoutProperties>
<Items>
<dx:CardViewCommandLayoutItem HorizontalAlign="Right">
</dx:CardViewCommandLayoutItem>
<dx:CardViewColumnLayoutItem ColumnName="Company Name">
</dx:CardViewColumnLayoutItem>
<dx:CardViewColumnLayoutItem ColumnName="Contact Name">
</dx:CardViewColumnLayoutItem>
<dx:CardViewColumnLayoutItem ColumnName="City">
</dx:CardViewColumnLayoutItem>
<dx:CardViewColumnLayoutItem ColumnName="Region">
</dx:CardViewColumnLayoutItem>
<dx:CardViewColumnLayoutItem ColumnName="Country">
</dx:CardViewColumnLayoutItem>
<dx:EditModeCommandLayoutItem HorizontalAlign="Right">
</dx:EditModeCommandLayoutItem>
</Items>
</CardLayoutProperties>
</dx:ASPxCardView>
<asp:AccessDataSource ID="AccessDataSource1" runat="server" DataFile="~/App_Data/nwind.mdb" SelectCommand="SELECT * FROM [Customers]" />
using DevExpress.Web;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e) {
if (!IsPostBack)
{
(ASPxCardView1.CardLayoutProperties.Items[0] as CardViewCommandLayoutItem).CustomButtons.Add(CreateCustomButton());
}
}
CardViewCustomCommandButton CreateCustomButton() {
CardViewCustomCommandButton customBtn = new CardViewCustomCommandButton();
customBtn.ID = "FilterBtn";
customBtn.Text = "Filter";
return customBtn;
}
protected void ASPxCardView1_CustomButtonCallback(object sender, ASPxCardViewCustomButtonCallbackEventArgs e) {
if (e.ButtonID == "FilterBtn")
{
ASPxCardView cardview = sender as ASPxCardView;
cardview.FilterExpression = "[Country] like '%Germany%'";
}
}
}
Imports DevExpress.Web
Partial Public Class _Default
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If Not IsPostBack Then
TryCast(ASPxCardView1.CardLayoutProperties.Items(0), CardViewCommandLayoutItem).CustomButtons.Add(CreateCustomButton())
End If
End Sub
Private Function CreateCustomButton() As CardViewCustomCommandButton
Dim customBtn As New CardViewCustomCommandButton()
customBtn.ID = "FilterBtn"
customBtn.Text = "Filter"
Return customBtn
End Function
Protected Sub ASPxCardView1_CustomButtonCallback(ByVal sender As Object, ByVal e As ASPxCardViewCustomButtonCallbackEventArgs)
If e.ButtonID = "FilterBtn" Then
Dim cardview As ASPxCardView = TryCast(sender, ASPxCardView)
cardview.FilterExpression = "[Country] like '%Germany%'"
End If
End Sub
End Class
See Also
CardViewFormLayoutProperties Class