Beispiel #1
0
        public int CreateQuestionBank(int id)
        {
            int    result      = 0;
            string excelFile   = null;
            var    httpRequest = HttpContext.Current.Request;
            string filePath    = string.Empty;

            var postedFile = httpRequest.Files[0];

            try
            {
                if (postedFile != null)
                {
                    string path = HttpContext.Current.Server.MapPath("~/Uploads/");
                    if (!Directory.Exists(path))
                    {
                        Directory.CreateDirectory(path);
                    }
                    excelFile = new String(Path.GetFileNameWithoutExtension(postedFile.FileName).Take(10).ToArray()).Replace(" ", "-");
                    excelFile = excelFile + DateTime.Now.ToString("yymmssfff") + Path.GetExtension(postedFile.FileName);
                    filePath  = path + excelFile;

                    postedFile.SaveAs(filePath);
                    string extension = Path.GetExtension(postedFile.FileName);
                    string conString = string.Empty;
                    switch (extension)
                    {
                    case ".xls":     //Excel 97-03.
                        conString = ConfigurationManager.ConnectionStrings["Excel03ConString"].ConnectionString;
                        break;

                    case ".xlsx":     //Excel 07 and above.
                        conString = ConfigurationManager.ConnectionStrings["Excel07ConString"].ConnectionString;
                        break;

                    default:
                        break;
                    }

                    DataTable dt = new DataTable();
                    conString = string.Format(conString, filePath);

                    using (OleDbConnection connExcel = new OleDbConnection(conString))
                    {
                        using (OleDbCommand cmdExcel = new OleDbCommand())
                        {
                            using (OleDbDataAdapter odaExcel = new OleDbDataAdapter())
                            {
                                cmdExcel.Connection = connExcel;

                                //Get the name of First Sheet.
                                connExcel.Open();
                                DataTable dtExcelSchema;
                                dtExcelSchema = connExcel.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
                                string sheetName = dtExcelSchema.Rows[0]["TABLE_NAME"].ToString();
                                connExcel.Close();

                                //Read Data from First Sheet.
                                connExcel.Open();
                                cmdExcel.CommandText   = "SELECT * From [" + sheetName + "]";
                                odaExcel.SelectCommand = cmdExcel;
                                odaExcel.Fill(dt);
                                connExcel.Close();
                            }
                        }
                    }

                    //Insert records to database table.
                    OASContext ctx = new OASContext();
                    foreach (DataRow row in dt.Rows)
                    {
                        ctx.QuestionBanks.Add(new QuestionBank
                        {
                            QuestionBankID    = Convert.ToInt32(row["QuestionBankID"]),
                            Question          = Convert.ToString(row["Question"]),
                            Option1           = Convert.ToString(row["Option1"]),
                            Option2           = Convert.ToString(row["Option2"]),
                            Option3           = Convert.ToString(row["Option3"]),
                            Option4           = Convert.ToString(row["Option4"]),
                            Answer            = Convert.ToString(row["Answer"]),
                            Marks             = Convert.ToInt32(row["Marks"]),
                            DifficultyLevelID = Convert.ToInt32(row["DifficultyLevelID"]),
                            //TopicID = Convert.ToInt32(row["TopicID"])
                            TopicID = id
                        });
                    }
                    result = ctx.SaveChanges();
                }
                else
                {
                    return(result);
                }
            }
            catch (SqlException sqlex)
            {
                exceptionMessage = sqlex.Message;
            }
            catch (OASCustomException customex)
            {
                exceptionMessage = customex.Message;
            }
            catch (Exception ex)
            {
                exceptionMessage = ex.Message;
            }
            return(result);
        }