Handling flat file destinations dynamically

Question

After performing a join operation on two tables i get the below resultset
pid, fname, typename, pname, pcost
1, cad, bars, product-1, 100
2, har, witte, product-2, 120
3, nes, bars, product-3, 119
Now i need to create files with the obtained resultset like
Column 'fname' is the folder name and 'typename' should be the file in the particular folder.
For example the first record should be inserted into file name 'bars.txt' in the folder 'cad'
and third record should be created in file name 'bars.txt' in the folder 'nes'.
Could someone please help me with this?

Answer 1

You can do this using Foreach Loop Container (Collection - Foreach ADO Enumerator).
1. First create 5 variables for pid, fname, typename, pname, pcost
2. Create another variable for the directory where you want to create the folders (Let's say variable name is strDestPath)
3. Create another variable of type "Object" (Let's say variable name is objFnames)
3. Next, use an Execute SQL Task and in the SQL Statement, put your query and the Result Set should be  "Full Result set"
4. On the same task, go to Result Set and set the following
Result Name to 0 ; Variable Name to User::objFnames
5.Next, drop a Foreach Loop Container (FELC) and connect the Execute SQL Task created above to FELC
6.In FELC, go to Collection > Select “Foreach ADO Enumerator” as Enumerator
7.In FELC, select the ADO object source variable : User::objFnames
8.In FELC, go to Variable Mappings and map the variables as
Variable                       
Index
User::Pid         
0
User::fname
1
User::typename         
2
User::pname              
3
User::pcost                 
4
9.Next, drop a Script task inside the FELC
10.Open the script task > and select all your variables as ReadOnlyVariables
11.Next, click Edit Script
12. Add the using System.IO class (just below using Sytem.Windows.Forms) and use the following script
public void Main()
// TODO: Add your code here
Dts.TaskResult = (int)ScriptResults.Success;
String originalPath = (String)Dts.Variables["User::strDestPath"].Value + "\\";
String folderPath = originalPath + (String)Dts.Variables["User::fname"].Value;
MessageBox.Show(folderPath);
if (Directory.Exists(folderPath))
Console.WriteLine("That path exists already.");
//return;
DirectoryInfo yearDi = Directory.CreateDirectory(folderPath);
string Filename = folderPath + "\\" + (String)Dts.Variables["User::typename"].Value + ".txt";
StreamWriter Writer = new StreamWriter(Filename);
Writer.WriteLine(Dts.Variables["User::pname"].Value + " " + Dts.Variables["User::pcost"].Value);
Writer.Close();
Narsimha