asp.net - What is the best way to create .xls from datatable in asp .Net c#? -

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i have datatable , want export excel that, datatable contains unicode characters (persian characters) , want convert .xls files correctly. wonder possible stimulsoft?

this common method use

       public void exportdetails(datatable tempdatatable, string filename)             {                 try                 {                     system.io.stringwriter objstringwriter1 = new system.io.stringwriter();                     system.web.ui.webcontrols.gridview gridview1 = new system.web.ui.webcontrols.gridview();                     system.web.ui.htmltextwriter objhtmltextwriter1 = new system.web.ui.htmltextwriter(objstringwriter1);                      httpcontext.current.response.clearcontent();                     httpcontext.current.response.clearheaders();                     httpcontext.current.response.contenttype = "application/vnd.ms-excel";                     httpcontext.current.response.charset = "";                     httpcontext.current.response.addheader("content-disposition", "attachment;filename=" + filename);                     httpcontext.current.response.contentencoding = system.text.encoding.unicode;                     response.binarywrite(system.text.encoding.unicode.getpreamble());                     gridview1.datasource = tempdatatable;                     gridview1.databind();                      gridview1.headerstyle.font.bold = true;                     gridview1.headerstyle.backcolor = system.drawing.color.gray;                      gridview1.rendercontrol(objhtmltextwriter1);                      gridview1.dispose();                     httpcontext.current.response.write(objstringwriter1.tostring());                      httpcontext.current.response.end();                 }                 catch (exception ex)                 {                   } }

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