コード例 #1
0
ファイル: Search.aspx.cs プロジェクト: reachKumar/POC
        protected void lnkAdvExportToExcel_Click(object sender, EventArgs e)
        {
            DataTable dtExport      = new DataTable();
            string    strReportName = DateTime.Now.ToString("dd MMMM yyyy");

            if (grdSearchPO.Rows.Count <= 0)
            {
                if (ViewState["vwExportTable"] != null)
                {
                    dtExport = (DataTable)ViewState["vwExportTable"];
                }
                grdSearchPO.DataSource = dtExport;
                grdSearchPO.DataBind();
            }

            grdSearchPO.Columns[0].Visible = false;
            string title       = string.Empty;
            string totalString = string.Empty;
            string attachment  = string.Empty;

            System.Web.HttpContext.Current.Response.Clear();
            System.Web.HttpContext.Current.Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", strReportName + ".xls"));
            System.Web.HttpContext.Current.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();

                    //Adding Header
                    if (grdSearchPO.HeaderRow != null)
                    {
                        GridViewExportUtil.PrepareControlForExport(grdSearchPO.HeaderRow);
                        table.Rows.Add(grdSearchPO.HeaderRow);
                    }
                    //  add each of the data rows to the table
                    foreach (GridViewRow row in grdSearchPO.Rows)
                    {
                        GridViewExportUtil.PrepareControlForExport(row);
                        table.Rows.Add(row);
                    }
                    //  render the table into the htmlwriter
                    table.RenderControl(htw);
                    //  render the htmlwriter into the response
                    System.Web.HttpContext.Current.Response.Write(sw.ToString());
                    System.Web.HttpContext.Current.Response.End();
                    //System.Web.HttpContext.Current.Response.Flush();
                }
            }
        }
コード例 #2
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="gv"></param>
        public static void Export(string fileName, GridView gv)
        {
            HttpContext.Current.Response.Clear();
            HttpContext.Current.Response.AddHeader(
                "content-disposition", string.Format("attachment; filename={0}", fileName));
            HttpContext.Current.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 = gv.GridLines;

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

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

                    //  add the footer row to the table
                    if (gv.FooterRow != null)
                    {
                        GridViewExportUtil.PrepareControlForExport(gv.FooterRow);
                        table.Rows.Add(gv.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();
                }
            }
        }
コード例 #3
0
        /// <summary>
        /// Replace any of the contained controls with literals
        /// </summary>
        /// <param name="control"></param>
        public 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())
                {
                    GridViewExportUtil.PrepareControlForExport(current);
                }
            }
        }