ASPxCardViewExporter.RenderBrick Event

Enables rendering of different content from the default export.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

C#

public event ASPxCardViewExportRenderingEventHandler RenderBrick

VB.NET

Public Event RenderBrick As ASPxCardViewExportRenderingEventHandler

Event Data

The RenderBrick event's data class is ASPxCardViewExportRenderingEventArgs. The following properties provide information specific to this event:

Property	Description
BrickStyle	Gets the style settings used to paint report bricks.
Column	Gets a data column that corresponds to the processed grid element.
ImageValue	Gets or sets an array of bytes that contains the processed brick’s image.
KeyValue	Gets the processed card’s key.
Text	Gets or sets the text displayed within the brick currently being rendered.
TextValue	Gets or sets the processed brick’s value.
Url	Gets or sets the rendered brick’s URL.
Value	Gets the processed data cell’s value.
VisibleIndex	Gets the processed card’s visible index.

The event data class exposes the following methods:

Method	Description
GetValue(String)	Returns the value of the specified cell within the processed card.

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