C＃的Microsoft Excel 2003移動通過表

Question

我在SSIS包C＃腳本任務的工作，我將.xls文件爲.csv文件，我遇到了這個問題，只有一張紙只寫

string fileFullPath = ""; 

     //Get one Book(Excel file at a time) 
     foreach (FileInfo file in files) 
     { 
      string filename = ""; 
      fileFullPath = SourceFolderPath + "\\" + file.Name; 
      filename = file.Name.Replace(".xls", ""); 
      //MessageBox.Show(fileFullPath); 

      //Create Excel Connection 
      string ConStr; 
      string HDR; 
      HDR = "YES"; 
      ConStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fileFullPath + ";Extended Properties=\"Excel 8.0;HDR=" + HDR + ";IMEX=1\""; 
      OleDbConnection cnn = new OleDbConnection(ConStr); 
      bool isDouble; 
      double dbl; 


      //Get Sheet Name 
      cnn.Open(); 
      DataTable dtSheet = cnn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null); 
      string sheetname; 
      sheetname = ""; 
      foreach (DataRow drSheet in dtSheet.Rows) 
      { 
       if (drSheet["TABLE_NAME"].ToString().Contains("$")) 
       { 
        sheetname = drSheet["TABLE_NAME"].ToString(); 
        //Display Sheet Name , you can comment it out 
        // MessageBox.Show(sheetname); 

        //Load the DataTable with Sheet Data 
        OleDbCommand oconn = new OleDbCommand("select * from [" + sheetname + "]", cnn); 
        //cnn.Open(); 
        OleDbDataAdapter adp = new OleDbDataAdapter(oconn); 
        DataTable dt = new DataTable(); 
        adp.Fill(dt); 

        //drop $from sheet name 
        sheetname = sheetname.Replace("$", ""); 

        //Create CSV File and load data to it from Sheet 
        StreamWriter sw = new StreamWriter(DestinationFolderPath + "\\" + filename + "_" + sheetname + ".csv", false); 
        int ColumnCount = dt.Columns.Count; 
        string[] columnName = new string[ColumnCount]; 
        // Write the Header Row to File 
        for (int i = 0; i < ColumnCount; i++) 
        { 
         sw.Write(dt.Columns[i]); 
         columnName[i] = dt.Columns[i].ToString(); 
         if (i < ColumnCount - 1) 
         { 
          sw.Write(FileDelimited); 
         } 
        } 
        sw.Write(sw.NewLine); 

        // Write All Rows to the File 
        foreach (DataRow dr in dt.Rows) 
        { 
         for (int i = 0; i < ColumnCount; i++) 
         { 
          if (!Convert.IsDBNull(dr[i])) 
          { 
           if (columnName[i] == "DATE_TIME") 
           { 

            isDouble = Double.TryParse(dr[i].ToString(), out dbl); 

            if (isDouble) 
            { 
             sw.Write(DateTime.FromOADate(dbl)); 
            } 
            else 
            { 
             sw.Write(dr[i].ToString()); 
            } 
           } 
           else 
           { 
            sw.Write(dr[i].ToString()); 
           } 
          } 
          if (i < ColumnCount - 1) 
          { 
           sw.Write(FileDelimited); 
          } 
         } 
         sw.Write(sw.NewLine); 
        } 
        sw.Close(); 
       } 
      } 
      cnn.Close(); 
     } 

第一板successfuly寫，但在第二次迭代的SHEETNAME不會改變我對adp.Fill(dt);它仍在訪問表surot$行encoutnered這個錯誤The Microsoft Jet database engine could not find the object 'surot$_'. Make sure the object exists and that you spell its name and the path name correctly.即使它完成了surot$

EDIT 1 csv文件的創建：當我檢查的行數時它包含6而不是3爲什麼會發生這種情況？也是命名變得surot$,surot$_它看起來好像它重複的Excel文件。

Answer 1

我有一個類似的問題。

檢查IF語句中最後一個字符是否不是下劃線「_」。

出於某種原因，它總是像這樣雙打。

Answer 2

嘗試通過在參數中指定的第二個參數，這樣得到按照MSDN架構：

DataTable dtSheet = cnn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, 
new object[] { null, null, null, "TABLE" });