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ASPxCardViewExportRenderingEventArgs.Column Property

Gets a data column that corresponds to the processed grid element.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v22.2.dll

NuGet Package: DevExpress.Web

Declaration

public CardViewColumn Column { get; }

Property Value

Type Description
CardViewColumn

A CardViewColumn object that specifies the data column. null (Nothing in Visual Basic) if the processed element doesn’t belong to a column (e.g., preview, footer).

Example

This example conditionally applies a style to company names in an exported document based on the number of products. Company names are painted in ‘green’ if the product count is greater than 1,000. Otherwise, the company names are painted in ‘red’.

View Example

<dx:ASPxCardView ID="ASPxCardView1" runat="server" AutoGenerateColumns="False" 
    DataSourceID="SqlDataSource1" KeyFieldName="ProductID">
    <Columns>
        <dx:CardViewTextColumn FieldName="ProductName" VisibleIndex="0">
        </dx:CardViewTextColumn>
        <dx:CardViewTextColumn FieldName="UnitPrice" VisibleIndex="1">
        </dx:CardViewTextColumn>
        <dx:CardViewTextColumn FieldName="UnitsInStock" VisibleIndex="2">
        </dx:CardViewTextColumn>
        <dx:CardViewTextColumn FieldName="UnitsOnOrder" VisibleIndex="3">
        </dx:CardViewTextColumn>
        <dx:CardViewTextColumn FieldName="ProductID" ReadOnly="True" Visible="False">
        </dx:CardViewTextColumn>
    </Columns>
</dx:ASPxCardView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\nwind.mdb;Persist Security Info=True" ProviderName="System.Data.OleDb" SelectCommand="SELECT [ProductName], [UnitPrice], [UnitsInStock], [UnitsOnOrder], [ProductID] FROM [Products]"></asp:SqlDataSource>
<dx:ASPxCardViewExporter ID="ASPxCardViewExporter1" OnRenderBrick="ASPxCardViewExporter1_RenderBrick" runat="server" CardViewID="ASPxCardView1">
</dx:ASPxCardViewExporter>
<dx:ASPxButton ID="ASPxButton1" AutoPostBack="false" OnClick="ASPxButton1_Click" runat="server" Text="Export to PDF"></dx:ASPxButton>
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using DevExpress.Web;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e) {

    }
    protected void ASPxCardViewExporter1_RenderBrick(object sender, DevExpress.Web.ASPxCardViewExportRenderingEventArgs e) {
        CardViewColumn dataColumn = e.Column as CardViewColumn;

        if (dataColumn != null && dataColumn.FieldName == "ProductName")
        {
            e.BrickStyle.ForeColor = (decimal)e.GetValue("UnitPrice") > 10 ? Color.Green : Color.Red;
            e.BrickStyle.BackColor = Color.LightYellow;

        }
    }
    protected void ASPxButton1_Click(object sender, EventArgs e) {
        ASPxCardViewExporter1.WritePdfToResponse();
    }
}
See Also