protected void ASPxLabel1_Load(object sender, EventArgs e)
{
ASPxGridView grid = ASPxGridView1;
GridViewDataColumn col = grid.Columns["UnitsInStock"] as GridViewDataColumn;
ASPxSummaryItem summary = grid.TotalSummary["UnitsInStock", DevExpress.Data.SummaryItemType.Sum];
string text = summary.GetTotalFooterDisplayText(col, grid.GetTotalSummaryValue(summary));
ASPxLabel label = (ASPxLabel)sender;
label.Text = string.Format("{0}\r\n({1})", col.FieldName, text);
}
protected virtual ASPxLabel CreateSummaryItemControl(ASPxSummaryItem item, ASPxGridView grid)
{
var value = grid.GetTotalSummaryValue(item);
var text = item.GetTotalFooterDisplayText(grid.DataColumns[item.FieldName], value);
var label = new ASPxLabel();
label.EnableClientSideAPI = true;
label.ID = string.Format("SummaryItemControl_{0}_{1}", item.FieldName, item.ShowInColumn);
label.Text = text;
label.Init += (s, e) => { SummaryTexts[label.ClientID] = label.Text; };
return(label);
}