[英]Page Load is not ending after exporting gridview to Excel
我正在嘗試將gridview數據導出到Excel。 一切都可以導出,但是在那之后頁面加載沒有結束。
這是母版頁中“請稍候”的腳本(顯示gif並顯示“頁面正在加載,請稍候”):
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript">
function ShowProgress() {
setTimeout(function () {
var modal = $('<div />');
modal.addClass("modal");
$('body').append(modal);
var loading = $(".loading");
loading.show();
var top = Math.max($(window).height() / 2 - loading[0].offsetHeight / 2, 0);
var left = Math.max($(window).width() / 2 - loading[0].offsetWidth / 2, 0);
loading.css({ top: top, left: left });
}, 200);
}
$('form').live("submit", function () {
ShowProgress();
});
</script>
這是我要導出的課程:
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 form to contain the grid
Table table = new Table();
// add the header row to the table
if (gv.HeaderRow != null)
{
GridViewExportUtil.PrepareControlForExport(gv.HeaderRow);
table.Rows.Add(gv.HeaderRow);
//color the header
table.Rows[0].BackColor = gv.HeaderStyle.BackColor;
table.Rows[0].ForeColor = gv.HeaderStyle.ForeColor;
}
// 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);
}
table.GridLines = gv.GridLines;
// 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();
}
}
這就是我在母版頁中調用方法的地方:
GridView gridview = (GridView)ContentPlaceHolder1.FindControl("gridview_sales");
gridview.AllowPaging = false;
gridview.DataBind();
GridViewExportUtil.Export("SalesList.xls", gridview);
這是因為只能從服務器端進行響應。 在您的情況下,該響應采用excel文件的形式。 解決此問題的一種方法是在JavaScript中使用代碼設置超時,以刪除“請稍候” gif。
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