Я создаю приложение asp.net mvc4, которое может записывать данные в таблицы базы данных из листов Excel (используя сопоставление столбцов sqlbulkcopy). когда мы выбираем лист Excel и отправляем, он записывает данные в базу данных.
Теперь я хочу установить время загрузки файла в качестве метки времени для каждой строки данных, когда он записывает данные в таблицу базы данных.
Код:
namespace AFFEMS2_HEC.Controllers
{
public class ExcelController : Controller
{
//
// GET: /Excel/
public ActionResult Index()
{
return View();
}
[HttpPost]
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Index(HttpPostedFileBase FileUpload1)
{
//Upload and save the file
if (Request.Files["FileUpload1"].ContentLength > 0)
{
string excelPath = Path.Combine(HttpContext.Server.MapPath("~/Content/"), Path.GetFileName(FileUpload1.FileName));
FileUpload1.SaveAs(excelPath);
string conString = string.Empty;
string extension = Path.GetExtension(FileUpload1.FileName);
switch (extension)
{
case ".xls": //Excel 97-03
conString = ConfigurationManager.ConnectionStrings["Excel03ConString"].ConnectionString;
break;
case ".xlsx": //Excel 07 or higher
conString = ConfigurationManager.ConnectionStrings["Excel07+ConString"].ConnectionString;
break;
}
conString = string.Format(conString, excelPath);
using (OleDbConnection excel_con = new OleDbConnection(conString))
{
string sheet1 = excel_con.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null).Rows[0]["TABLE_NAME"].ToString();
string sheet2 = excel_con.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null).Rows[1]["TABLE_NAME"].ToString();
DataTable dtExcelData = new DataTable();
//[OPTIONAL]: It is recommended as otherwise the data will be considered as String by default.
dtExcelData.Columns.AddRange(new DataColumn[4] {
new DataColumn("Id", typeof(string)),
new DataColumn("Name", typeof(string)),
new DataColumn("Email",typeof(string)),
new DataColumn("Mobile", typeof(int)) });
string query = "SELECT s1.Id, " +
"s1.Name, " +
"s1.Mobile, " +
"s2.Email " +
"FROM ([" + sheet1 + "] as s1 INNER JOIN [" + sheet2 + "] as s2 ON " + "s1.Id = s2.Id)";
using (OleDbDataAdapter oda = new OleDbDataAdapter(query, excel_con))
{
oda.Fill(dtExcelData);
}
excel_con.Close();
string consString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
using (SqlConnection con = new SqlConnection(consString))
{
using (SqlBulkCopy sqlBulkCopy = new SqlBulkCopy(con,
SqlBulkCopyOptions.CheckConstraints|
SqlBulkCopyOptions.FireTriggers|
SqlBulkCopyOptions.KeepNulls|
SqlBulkCopyOptions.TableLock|
SqlBulkCopyOptions.UseInternalTransaction,
null))
{
//Set the database table name
sqlBulkCopy.DestinationTableName = "User1";
sqlBulkCopy.ColumnMappings.Add("Id", "Id");
sqlBulkCopy.ColumnMappings.Add("Name", "Name");
sqlBulkCopy.ColumnMappings.Add("Email", "Email");
sqlBulkCopy.ColumnMappings.Add("Mobile", "Mobile");
con.Open();
try
{
// Write from the source to the destination
sqlBulkCopy.WriteToServer(dtExcelData);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
con.Close();
}
}
}
}
}
return View();
}
}
}