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public Random rd;
rd = new Random(1);
string filename = this.FileUpload1.PostedFile.FileName;
//string filename = this.FileUpload1.PostedFile.FileName;
string type = filename.Substring(filename.LastIndexOf("."));
string z = Server.MapPath("../file/") + Guid.NewGuid().ToString() + type;
this.FileUpload1.PostedFile.SaveAs(z);
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionString ["IEISConnectionString"].ConnectionString);
SqlCommand cmd = new SqlCommand();
cmd.CommandText = "SELECT * from OPENROWSET('MICROSOFT.JET.OLEDB.4.0','Excel 5.0;HDR=Yes;IMEX=1;DATABASE=" + z + "',sheet1$)";
SqlDataAdapter da = new SqlDataAdapter();
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