ASPxCardViewExportRenderingEventArgs.Column Property

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

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v23.2.dll

NuGet Package: DevExpress.Web

Declaration

C#

public CardViewColumn Column { get; }

VB.NET

Public ReadOnly Property Column As CardViewColumn

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’.

Default.aspx

<dx:ASPxCardView ID="ASPxCardView1" runat="server" AutoGenerateColumns="False" 
    DataSourceID="SqlDataSource1" KeyFieldName="ProductID">
    <Columns>
        <dx:CardViewTextColumn FieldName="ProductName" />
        <dx:CardViewTextColumn FieldName="UnitPrice" />
        <dx:CardViewTextColumn FieldName="UnitsInStock" />
        <dx:CardViewTextColumn FieldName="UnitsOnOrder" />
        <dx:CardViewTextColumn FieldName="ProductID" Visible="False" />
    </Columns>
</dx:ASPxCardView>
<dx:ASPxCardViewExporter ID="ASPxCardViewExporter1" runat="server" CardViewID="ASPxCardView1"
                         OnRenderBrick="ASPxCardViewExporter1_RenderBrick" />
<dx:ASPxButton runat="server" ID="ASPxButton1" AutoPostBack="false" 
               OnClick="ASPxButton1_Click" Text="Export to PDF" />

Default.aspx.cs

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();
}

Default.aspx.vb

Protected Sub ASPxCardViewExporter1_RenderBrick(ByVal sender As Object, ByVal e As DevExpress.Web.ASPxCardViewExportRenderingEventArgs)
    Dim dataColumn As CardViewColumn = TryCast(e.Column, CardViewColumn)
    If dataColumn IsNot Nothing AndAlso dataColumn.FieldName = "ProductName" Then
        e.BrickStyle.ForeColor = If(CDec(e.GetValue("UnitPrice")) > 10, Color.Green, Color.Red)
        e.BrickStyle.BackColor = Color.LightYellow
    End If
End Sub
Protected Sub ASPxButton1_Click(ByVal sender As Object, ByVal e As EventArgs)
    ASPxCardViewExporter1.WritePdfToResponse()
End Sub