I don't know why.... I can't understand
I import by fileupload one xls, I open this one and I would connect it to a gridview.
Everythings works fine but when I see the gridview I don't understand why some data is not available
HttpPostedFile xls = this.FileUpload1.PostedFile;
string strConn = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + xls.FileName.ToString() + ";Extended Properties=Excel 8.0";
DataTable dt = new DataTable();
DataSet ds = new DataSet();
OleDbConnection oConn = new OleDbConnection();
oConn.ConnectionString = strConn;
oConn.Open();
List<string> fogli = new List<string>();
//recupero i nomi dei fog ...
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