How do I convert first row of datatable as tags in XML while converting datatable to XML file?

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C#

I am trying to convert an excel file into xml file, i want column names in excel file to be used as tags in xml file for e.g. <Building name>XYZ<Building name\> and so on. i am using C# asp.net web application

What I have tried:

public DataTable ExcelToDatatable(string filePath)
{
string excelfile = "select * from [Sheet1$]";
DataSet ds = new DataSet();
string constring = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filePath + ";Extended Properties=\"Excel 12.0;HDR=NO;IMEX=1;\"";
OleDbConnection con = new OleDbConnection(constring + "");
OleDbDataAdapter da = new OleDbDataAdapter(excelfile, con);
da.Fill(ds);
///dataset to xml
ds.WriteXml("F:\\BuildingDetails.xml");



///Binding data to gridview
DataTable dt = ds.Tables[0];
GridView1.DataSource = dt;
GridView1.DataBind();
return dt;
}