.net - How to format excel file cells when data exported from SQL Server database -

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i'm exporting data have in database excel. although below code works fine, know how manipulate headers, colours, , way cells look?

page.aspx

   <asp:sqldatasource id="sqldatasource1" runat="server"      connectionstring="<%$ connectionstrings:connectionstring %>"  selectcommand="select id, number, title, name requests">  <selectparameters>         <asp:querystringparameter defaultvalue="" name="id"              querystringfield="id" type="int32" />     </selectparameters> </asp:sqldatasource>    <asp:detailsview id="detailsview1" runat="server" height="50px" width="125px"      autogeneraterows="false" datakeynames="requestid" datasourceid="sqldatasource1">     <fields>            <asp:boundfield datafield="id" headertext="id"              sortexpression="id" insertvisible="false" readonly="true" />         <asp:boundfield datafield="number" headertext="number"              sortexpression="number" />         <asp:boundfield datafield="title" headertext="title" sortexpression="title" />         <asp:boundfield datafield="name" headertext="name"              sortexpression="name" />

page.aspx.vb 

    dim tw new system.io.stringwriter()     dim hw new system.web.ui.htmltextwriter(tw)      dim dggrid new detailsview()      dggrid.datasource = sqldatasource1      hw.writeline("<b>title here</b>")      dggrid.headerstyle.font.bold = true     dggrid.databind()     dggrid.rendercontrol(hw)      response.addheader("content-disposition", "attachment;filename=reportouput.xls")     response.contenttype = "application/vnd.ms-excel"     me.enableviewstate = false     response.write(tw.tostring())     response.end()

i use following set number format. search mso-number-format find more information.

string style = @" .text { mso-number-format:\@; } ";


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