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We tried to export the data to excel using radgrid option, it's working fine on single export. but we tried to export in for each loop, last file data's only exported. Is possible to export in loop? .

protected void btnexport_Click(object sender, EventArgs e)

string selectedimportfilesid = "";
IList<radlistboxitem> collection = ListBoxFileNames.CheckedItems;
string selectedfilename = "";
DataTable dtselect = new DataTable();
foreach (RadListBoxItem item in collection)
Label filename = (Label)item.FindControl("lblfilename");
Label Importfileid = (Label)item.FindControl("lblimportfileid");
selectedfilename = filename.Text;
selectedimportfilesid = Importfileid.Text;
dtselect = selectedexportfilelist(selectedimportfilesid);
testgrid.DataSource = dtselect;
testgrid.ExportSettings.IgnorePaging = true;
testgrid.ExportSettings.FileName = selectedfilename
testgrid.ExportSettings.OpenInNewWindow = true;
testgrid.ExportSettings.Excel.FileExtension = "xls";

Thanks in advance!!

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