DFT中的脚本任务不会被执行

时间：2012-12-12 09:42:17

标签： ssis

我有一个场景，我必须从excel文件的未知数和他们未知的选项卡中获取数据。所以我创建了一个包含50列的表。 enter image description here

问题是进入第二个循环后ssis包没有进展。第一个循环获取文件名，第二个循环获取该文件中的选项卡名称。第二个循环中的DTF打开excel文件选项卡并读取数据并将其写入数据库表 enter image description here

我创建了sperate变量来存储从foreach循环容器中恢复的文件名和选项卡名称，并在DTF任务中使用它们。甚至DFT任务也没有任何错误。

在DFT内部，我只有一个脚本源来打开excel文件并读取数据，然后将其传递给oledb目的地。 enter image description here

现在推出了所有我们想要的DFT任务循环的东西。在DFT上面的foreach循环中，我放置了一个脚本任务并加了一些测试。的MessageBox.show（ “布拉布拉”）。而且令人担忧。现在怎么做？

下面的

是脚本任务中的代码。

public class ScriptMain : UserComponent
{
    private OleDbDataReader excelReader;
    private OleDbConnection excelConnection;
    private OleDbCommand excelCommand;
    public override void PreExecute()
    {
        base.PreExecute();
        // Open 
        GetDataFromExcelToReader(Variables.IndividualFileNamesForDFT, Variables.IndividualTabNamesForDFT);
    }
    public override void PostExecute()
    {
        base.PostExecute();
        excelReader.Close();
        excelConnection.Close();
    }
    private void GetDataFromExcelToReader(string p_strFileName, string p_strTabName)
    {
        string l_strConnectionString;
        if (File.Exists(p_strFileName))
        {
            string extension = Path.GetExtension(p_strFileName);
            extension = extension.Replace(".", "");
            if (extension.ToLower() == "xlsx")
            {
                l_strConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
                "Data Source=" + p_strFileName + ";Extended Properties=\"Excel 12.0;HDR=NO;IMEX=1\";";
            }
            else
            {
                l_strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" +
                    "Data Source=" + p_strFileName + ";Extended Properties=\"Excel 4.0;HDR=NO;IMEX=1\";";
            }
            excelConnection = new OleDbConnection(l_strConnectionString);
            excelConnection.Open();
            excelCommand = excelConnection.CreateCommand();
            excelCommand.CommandText = "SELECT * FROM [" + p_strTabName + "A1:AX1048576]";
            excelCommand.CommandType = CommandType.Text;
            excelReader = excelCommand.ExecuteReader();
        }
    }
    public override void CreateNewOutputRows()
    {
        int counter = 0;
        while (excelReader.Read())
        {
                Output0Buffer.AddRow();
                Output0Buffer.FileName = Variables.IndividualFileNamesForDFT.ToString();
                Output0Buffer.TabName = Variables.IndividualTabNamesForDFT.ToString();
                Output0Buffer.Col1 = excelReader.FieldCount > 0 ? excelReader[0].ToString() : null;
                Output0Buffer.Col2 = excelReader.FieldCount > 1 ? excelReader[1].ToString() : null;
                Output0Buffer.Col3 = excelReader.FieldCount > 2 ? excelReader[2].ToString() : null;
                Output0Buffer.Col4 = excelReader.FieldCount > 3 ? excelReader[3].ToString() : null;
                Output0Buffer.Col5 = excelReader.FieldCount > 4 ? excelReader[4].ToString() : null;
                Output0Buffer.Col6 = excelReader.FieldCount > 5 ? excelReader[5].ToString() : null;
                Output0Buffer.Col7 = excelReader.FieldCount > 6 ? excelReader[6].ToString() : null;
                Output0Buffer.Col8 = excelReader.FieldCount > 7 ? excelReader[7].ToString() : null;
                Output0Buffer.Col9 = excelReader.FieldCount > 8 ? excelReader[8].ToString() : null;
                Output0Buffer.Col10 = excelReader.FieldCount > 9 ? excelReader[9].ToString() : null;
                Output0Buffer.Col11 = excelReader.FieldCount > 10 ? excelReader[10].ToString() : null;
                Output0Buffer.Col12 = excelReader.FieldCount > 11 ? excelReader[11].ToString() : null;
                Output0Buffer.Col13 = excelReader.FieldCount > 12 ? excelReader[12].ToString() : null;
                Output0Buffer.Col14 = excelReader.FieldCount > 13 ? excelReader[13].ToString() : null;
                Output0Buffer.Col15 = excelReader.FieldCount > 14 ? excelReader[14].ToString() : null;
                Output0Buffer.Col16 = excelReader.FieldCount > 15 ? excelReader[15].ToString() : null;
                Output0Buffer.Col17 = excelReader.FieldCount > 16 ? excelReader[16].ToString() : null;
                Output0Buffer.Col18 = excelReader.FieldCount > 17 ? excelReader[17].ToString() : null;
                Output0Buffer.Col19 = excelReader.FieldCount > 18 ? excelReader[18].ToString() : null;
                Output0Buffer.Col20 = excelReader.FieldCount > 19 ? excelReader[19].ToString() : null;
                Output0Buffer.Col21 = excelReader.FieldCount > 20 ? excelReader[20].ToString() : null;
                Output0Buffer.Col22 = excelReader.FieldCount > 21 ? excelReader[21].ToString() : null;
                Output0Buffer.Col23 = excelReader.FieldCount > 22 ? excelReader[22].ToString() : null;
                Output0Buffer.Col24 = excelReader.FieldCount > 23 ? excelReader[23].ToString() : null;
                Output0Buffer.Col25 = excelReader.FieldCount > 24 ? excelReader[24].ToString() : null;
                Output0Buffer.Col26 = excelReader.FieldCount > 25 ? excelReader[25].ToString() : null;
                Output0Buffer.Col27 = excelReader.FieldCount > 26 ? excelReader[26].ToString() : null;
                Output0Buffer.Col28 = excelReader.FieldCount > 27 ? excelReader[27].ToString() : null;
                Output0Buffer.Col29 = excelReader.FieldCount > 28 ? excelReader[28].ToString() : null;
                Output0Buffer.Col30 = excelReader.FieldCount > 29 ? excelReader[29].ToString() : null;
                Output0Buffer.Col31 = excelReader.FieldCount > 30 ? excelReader[30].ToString() : null;
                Output0Buffer.Col32 = excelReader.FieldCount > 31 ? excelReader[31].ToString() : null;
                Output0Buffer.Col33 = excelReader.FieldCount > 32 ? excelReader[32].ToString() : null;
                Output0Buffer.Col34 = excelReader.FieldCount > 33 ? excelReader[33].ToString() : null;
                Output0Buffer.Col35 = excelReader.FieldCount > 34 ? excelReader[34].ToString() : null;
                Output0Buffer.Col36 = excelReader.FieldCount > 35 ? excelReader[35].ToString() : null;
                Output0Buffer.Col37 = excelReader.FieldCount > 36 ? excelReader[36].ToString() : null;
                Output0Buffer.Col38 = excelReader.FieldCount > 37 ? excelReader[37].ToString() : null;
                Output0Buffer.Col39 = excelReader.FieldCount > 38 ? excelReader[38].ToString() : null;
                Output0Buffer.Col40 = excelReader.FieldCount > 39 ? excelReader[39].ToString() : null;
                Output0Buffer.Col41 = excelReader.FieldCount > 40 ? excelReader[40].ToString() : null;
                Output0Buffer.Col42 = excelReader.FieldCount > 41 ? excelReader[41].ToString() : null;
                Output0Buffer.Col43 = excelReader.FieldCount > 42 ? excelReader[42].ToString() : null;
                Output0Buffer.Col44 = excelReader.FieldCount > 43 ? excelReader[43].ToString() : null;
                Output0Buffer.Col45 = excelReader.FieldCount > 44 ? excelReader[44].ToString() : null;
                Output0Buffer.Col46 = excelReader.FieldCount > 45 ? excelReader[45].ToString() : null;
                Output0Buffer.Col47 = excelReader.FieldCount > 46 ? excelReader[46].ToString() : null;
                Output0Buffer.Col48 = excelReader.FieldCount > 47 ? excelReader[47].ToString() : null;
                Output0Buffer.Col49 = excelReader.FieldCount > 48 ? excelReader[48].ToString() : null;
                Output0Buffer.Col50 = excelReader.FieldCount > 49 ? excelReader[49].ToString() : null;
        }
    }
}

2 个答案:

答案 0 :(得分：2)

你真的需要阅读A1：AX1048576吗？它是否处理这个并且只读它需要的东西？

您是否可以尝试只读取所需的excel文件部分？例如，如果你有一个包含10列和400行的excel文件，请尝试阅读A1：Z9999 - 想知道脚本任务是否只是令人难以置信，试图将所有这些装入内存，然后垃圾到磁盘，因为结果集是非常巨大的。

答案 1 :(得分：0)

@Ciarán - 谢谢， 而不是选择一个特定的范围只是打开完整标签解决了我的问题。 “SELECT * FROM [”+ p strTabName +“]”

相关问题
最新问题