C#讀取轉換Excel檔案的優化(源代碼)

轉換Excel數據
  1        private void ExecuteSelectCommand()
  2        {
  3            DataTable dtbSearch=new DataTable();
  4
  5            try
  6            {
  7                // Put user code to initialize the page here
  8                // Create connection string variable. Modify the "Data Source"
  9                // parameter as appropriate for your environment.
 10                String sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" +
 11                    "Data Source=" + this.tBFileAddress.Text.Trim() + ";" +
 12                    "Extended Properties='Excel 8.0;HDR=YES;IMEX=1;'";
 13
 14                // Create connection object by using the preceding connection string.
 15                OleDbConnection objConn = new OleDbConnection(sConnectionString);
 16
 17                // Open connection with the database.
 18                objConn.Open();
 19
 20                // The code to follow uses a SQL SELECT command to display the data from the worksheet.
 21
 22                // Create new OleDbCommand to return data from worksheet.
 23                OleDbCommand objCmdSelect =new OleDbCommand("SELECT * FROM ["+tBsheet.Text.Trim()+"$] where 料號<>''", objConn);
 24
 25                // Create new OleDbDataAdapter that is used to build a DataSet
 26                // based on the preceding SQL SELECT statement.
 27                OleDbDataAdapter objAdapter1 = new OleDbDataAdapter();
 28
 29                // Pass the Select command to the adapter.
 30                objAdapter1.SelectCommand = objCmdSelect;
 31
 32                // Create new DataSet to hold information from the worksheet.
 33                DataSet objDataset1 = new DataSet();
 34
 35                // Fill the DataSet with the information from the worksheet.
 36                objAdapter1.Fill(objDataset1,"料號基本資料");
 37
 38                Thread.Sleep(200);
 39                statusBarPanel4.Text="正在讀取數據["+objDataset1.Tables["料號基本資料"].Rows.Count+"]";
 40                Thread.Sleep(500);
 41                // Clean up objects.
 42                objConn.Close();
 43
 44                dtbSearch=objDataset1.Tables["料號基本資料"];
 45
 46                progressBar1.Value=30;
 47
 48            }
 49            catch
 50            {
 51                progressBar1.Value=0;
 52                statusBarPanel4.Text="讀取EXCEL文檔錯誤!請返回確認!";
 53                //MessageBox.Show("讀取EXCEL文檔錯誤或指定工作表不存在!請返回確認!");
 54            }
 55            finally
 56            {
 57                int i=0,ii=0,iii=0;
 58                try
 59                {
 60                    if(dtbSearch.Rows.Count>0)
 61                    {
 62                        Thread.Sleep(200);
 63                        statusBarPanel4.Text="正在導入數據,請稍候";
 64
 65                        foreach(DataRow dr1 in dtbSearch.Rows)
 66                        {
 67                            if(dr1[0].ToString().Trim().Replace("'","")!="")
 68                            {
 69                                if(GetDBTotalNum("料號='"+dr1[0].ToString().Trim().Replace("'","")+"'")==0)
 70                                {
 71                                    StringBuilder strSql=new StringBuilder();
 72                                    strSql.Append("insert into 料號基本資料(");
 73                                    strSql.Append("料號,品名,訂購規格,材質,數量,狀態,熱處理,廠商,備註");
 74                                    strSql.Append(")");
 75                                    strSql.Append(" values (");
 76                                    strSql.Append("'"+dr1[0].ToString().Trim().Replace("'","")+"',");
 77                                    strSql.Append("'"+dr1[2].ToString().Trim().Replace("'","")+"',");
 78                                    strSql.Append("'"+dr1[3].ToString().Trim().Replace("'","")+"',");
 79                                    strSql.Append("'"+dr1[4].ToString().Trim().Replace("'","")+"',");
 80                                    strSql.Append("'"+dr1[5].ToString().Trim().Replace("'","")+"',");
 81                                    strSql.Append("'"+dr1[6].ToString().Trim().Replace("'","")+"',");
 82                                    strSql.Append("'"+dr1[7].ToString().Trim().Replace("'","")+"',");
 83                                    strSql.Append("'"+dr1[8].ToString().Trim().Replace("'","")+"',");
 84                                    strSql.Append("'"+dr1[8].ToString().Trim().Replace("'","")+"'");
 85                                    strSql.Append(")");
 86
 87                                    ExectueSQL(strSql.ToString());
 88
 89                                    i++;
 90                                }
 91                                else
 92                                {
 93                                    ii++;//重複數據
 94                                }
 95                            }
 96                            else
 97                            {
 98                                iii++;//空白數據
 99                            }
100                        }
101
102                        this.statusBarPanel3.Text="數據總量: "+GetDBTotalNum("");
103                
104                        progressBar1.Value=100;
105
106                        MessageBox.Show("Excel成功導入 ["+i+"] 條數據,忽略 ["+ii+"] 條重複數據,排除 ["+iii+"] 條空白數據!");
107                        statusBarPanel4.Text="數據導入完成!";
108                    }
109                    else
110                    {
111                        progressBar1.Value=0;
112
113                        MessageBox.Show("指定工作表不存在!請返回確認!");
114                    }
115                }
116                catch
117                {
118                    MessageBox.Show("數據轉換時出錯!請檢查數據格式是否正確!");
119                }
120            }
121        }

測試PASS!