Upload Excel data into SharePoint List using C#

Method to read file from upload control.

if (fuExcelUpload.HasFile) {
    string strPath = "C:\\UploadExcel";
    string SheetName = "Upload";
    Directory.CreateDirectory(strPath);
    strPath = strPath + "\\";
    fuExcelUpload.SaveAs(strPath + fuExcelUpload.FileName);
    strPath = strPath + fuExcelUpload.FileName;
    DataSet ds = LoadExcel(strPath, SheetName);
    DataTable dt = ds.Tables[0];
    InsertIntoList(dt);
}

Method to insert excel data into SharePoint List.

private void InsertIntoList(DataTable listTable) {
    try {
        SPSecurity.RunWithElevatedPrivileges(delegate() {
            using(SPSite site = new SPSite(SPContext.Current.Web.Url)) {
                site.AllowUnsafeUpdates = true;
                using(SPWeb web = site.OpenWeb()) {
                    web.AllowUnsafeUpdates = true;
                    SPList lstRMD = web.Lists["Your List Name"];

                    for (int iRow = 0; iRow < listTable.Rows.Count; iRow++) {
                        SPListItem revItem1 = lstRMD.Items.Add();
                        revItem1["Field1"] = Convert.ToString(listTable.Rows[iRow][0]);
                        revItem1["Field2"] = Convert.ToString(listTable.Rows[iRow][1]);
                        revItem1.Update();
                    }
                    web.AllowUnsafeUpdates = false;
                }
                site.AllowUnsafeUpdates = false;
            }

        });

    } catch (Exception ex) {}

}