protected void ASPxButton1_Click(object sender, EventArgs e)
{
if (ASPxGridView1.GroupCount == 0)
{
ASPxGridViewExporter1.WritePdfToResponse();
}
else
{
string groupField = ASPxGridView1.GetGroupedColumns()[0].FieldName;
object[] groupValues = FindGroupValues(ASPxGridView1);
PrintingSystem ps = new PrintingSystem();
Link clink = new Link(ps);
clink.CreateDetailArea += new CreateAreaEventHandler(delegate(object sender2, CreateAreaEventArgs e2)
{
Link self = (Link)sender2;
for (int i = 0; i < groupValues.Length; i++)
{
DevExpress.Web.ASPxGridView.Export.Helper.GridViewLink linkdata = new DevExpress.Web.ASPxGridView.Export.Helper.GridViewLink(ASPxGridViewExporter1);
linkdata.PrintingSystemBase = self.PrintingSystem;
if (i > 0)
{
self.PrintingSystem.InsertPageBreak(0);
}
string filter = ASPxGridView1.FilterExpression;
ASPxGridView1.FilterExpression = new GroupOperator(GroupOperatorType.And,
CriteriaOperator.Parse(filter), new BinaryOperator(groupField, groupValues[i])).ToString();
ASPxGridView1.ExpandAll();
ASPxGridViewExporter1.DataBind();
BrickModifier skipArea = linkdata.SkipArea;
linkdata.SkipArea = self.SkipArea;
linkdata.AddSubreport(System.Drawing.PointF.Empty);
linkdata.SkipArea = skipArea;
ASPxGridView1.FilterExpression = filter;
}
});
clink.CreateDocument();
ps.PageSettings.Landscape = true;
System.IO.MemoryStream stream = new System.IO.MemoryStream();
ps.ExportToPdf(stream);
WriteToResponse("export", true, "pdf", stream);
stream.Close();
}
}