Ejemplo n.º 1
0
        protected void btnExport_Click(object sender, EventArgs e)
        {
            Response.Clear();

            Response.AddHeader("content-disposition", "attachment;filename=Report.xls");

            Response.ContentType = "application/ms-excel";

            using (StringWriter sw = new StringWriter())
            {
                using (HtmlTextWriter htw = new HtmlTextWriter(sw))
                {
                    //  Create a table to contain the grid
                    Table table = new Table();

                    //  include the gridline settings
                    table.GridLines = reportGrid.GridLines;

                    //  add the header row to the table
                    if (reportGrid.HeaderRow != null)
                    {
                        AttendanceReport.PrepareControlForExport(reportGrid.HeaderRow);
                        table.Rows.Add(reportGrid.HeaderRow);
                    }

                    //  add each of the data rows to the table
                    foreach (GridViewRow row in reportGrid.Rows)
                    {
                        AttendanceReport.PrepareControlForExport(row);
                        table.Rows.Add(row);
                    }

                    //  add the footer row to the table
                    if (reportGrid.FooterRow != null)
                    {
                        AttendanceReport.PrepareControlForExport(reportGrid.FooterRow);
                        table.Rows.Add(reportGrid.FooterRow);
                    }

                    //  render the table into the htmlwriter
                    table.RenderControl(htw);

                    //  render the htmlwriter into the response
                    HttpContext.Current.Response.Write(sw.ToString());
                    HttpContext.Current.Response.End();
                }
            }
        }
Ejemplo n.º 2
0
        private static void PrepareControlForExport(Control control)
        {
            for (int i = 0; i < control.Controls.Count; i++)
            {
                Control current = control.Controls[i];
                if (current is LinkButton)
                {
                    control.Controls.Remove(current);
                    control.Controls.AddAt(i, new LiteralControl((current as LinkButton).Text));
                }
                else if (current is ImageButton)
                {
                    control.Controls.Remove(current);
                    control.Controls.AddAt(i, new LiteralControl((current as ImageButton).AlternateText));
                }
                else if (current is HyperLink)
                {
                    control.Controls.Remove(current);
                    control.Controls.AddAt(i, new LiteralControl((current as HyperLink).Text));
                }
                else if (current is DropDownList)
                {
                    control.Controls.Remove(current);
                    control.Controls.AddAt(i, new LiteralControl((current as DropDownList).SelectedItem.Text));
                }
                else if (current is CheckBox)
                {
                    control.Controls.Remove(current);
                    control.Controls.AddAt(i, new LiteralControl((current as CheckBox).Checked ? "True" : "False"));
                }

                if (current.HasControls())
                {
                    AttendanceReport.PrepareControlForExport(current);
                }
            }
        }