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Writing data from stored procedure to flat file in SSIS script task is writing an empty file.

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Hello All,

Please help.

I am loading data from sql stored procedure with two results sets into a flat file destination in SSIS script taSK.

My code below is not wrting data to flat fiile. Please help.

using System;
using System.IO;
using System.Data;
using System.Data.SqlClient;
using Microsoft.SqlServer.Dts.Runtime;
using System.Windows.Forms;
#endregion

namespace ST_bc581c6792504a7588c6fc043fde1631
{
    /// <summary>
    /// ScriptMain is the entry point class of the script.  Do not change the name, attributes,
    /// or parent of this class.
    /// </summary>
[Microsoft.SqlServer.Dts.Tasks.ScriptTask.SSISScriptTaskEntryPointAttribute]
public partial class ScriptMain : Microsoft.SqlServer.Dts.Tasks.ScriptTask.VSTARTScriptObjectModelBase
{
        #region Help:  Using Integration Services variables and parameters in a script
        /* To use a variable in this script, first ensure that the variable has been added to 
         * either the list contained in the ReadOnlyVariables property or the list contained in 
         * the ReadWriteVariables property of this script task, according to whether or not your
         * code needs to write to the variable.  To add the variable, save this script, close this instance of
         * Visual Studio, and update the ReadOnlyVariables and 
         * ReadWriteVariables properties in the Script Transformation Editor window.
         * To use a parameter in this script, follow the same steps. Parameters are always read-only.
         * 
         * Example of reading from a variable:
         *  DateTime startTime = (DateTime) Dts.Variables["System::StartTime"].Value;
         * 
         * Example of writing to a variable:
         *  Dts.Variables["User::myStringVariable"].Value = "new value";
         * 
         * Example of reading from a package parameter:
         *  int batchId = (int) Dts.Variables["$Package::batchId"].Value;
         *  
         * Example of reading from a project parameter:
         *  int batchId = (int) Dts.Variables["$Project::batchId"].Value;
         * 
         * Example of reading from a sensitive project parameter:
         *  int batchId = (int) Dts.Variables["$Project::batchId"].GetSensitiveValue();
         * */

        string fpath;
        string fname;
        string prname;
        //int row = 0;
        int counter = 0;
        //int fieldcount;
        //int header = 0;
        DateTime startDate;
        DateTime endDate;
        SqlParameter param1 = new SqlParameter();
        SqlParameter param2 = new SqlParameter();
        
       

        #endregion

        #region Help:  Firing Integration Services events from a script
        /* This script task can fire events for logging purposes.
         * 
         * Example of firing an error event:
         *  Dts.Events.FireError(18, "Process Values", "Bad value", "", 0);
         * 
         * Example of firing an information event:
         *  Dts.Events.FireInformation(3, "Process Values", "Processing has started", "", 0, ref fireAgain)
         * 
         * Example of firing a warning event:
         *  Dts.Events.FireWarning(14, "Process Values", "No values received for input", "", 0);
         * */
        #endregion

        #region Help:  Using Integration Services connection managers in a script
        /* Some types of connection managers can be used in this script task.  See the topic 
         * "Working with Connection Managers Programatically" for details.
         * 
         * Example of using an ADO.Net connection manager:
         *  object rawConnection = Dts.Connections["Sales DB"].AcquireConnection(Dts.Transaction);
         *  SqlConnection myADONETConnection = (SqlConnection)rawConnection;
         *  //Use the connection in some code here, then release the connection
         *  Dts.Connections["Sales DB"].ReleaseConnection(rawConnection);
         *
         * Example of using a File connection manager
         *  object rawConnection = Dts.Connections["Prices.zip"].AcquireConnection(Dts.Transaction);
         *  string filePath = (string)rawConnection;
         *  //Use the connection in some code here, then release the connection
         *  Dts.Connections["Prices.zip"].ReleaseConnection(rawConnection);
         * */
        #endregion


/// <summary>
        /// This method is called when this script task executes in the control flow.
        /// Before returning from this method, set the value of Dts.TaskResult to indicate success or failure.
        /// To open Help, press F1.
        /// </summary>
public void Main()
        {
            // Read SSIS variables to local variable.
            startDate = (DateTime)Dts.Variables["User::str_StartDate"].Value;
            endDate = (DateTime)Dts.Variables["User::str_EndDate"].Value;
            fpath = (string)Dts.Variables["User::str_Fpath"].Value;
            fname = (string)Dts.Variables["User::str_Fname"].Value;
            prname = (string)Dts.Variables["User::str_Pname"].Value;


            // create dest ff connection
            string FFConn;
            FFConn = (string)(Dts.Connections["FF_DST_Details"].AcquireConnection(Dts.Transaction) as String);
            StreamWriter sw = new StreamWriter(FFConn);
            //MessageBox.Show(FFConn, "FF_DST_Details");

            // create source db connection
            SqlConnection DBConn = new SqlConnection();
            DBConn = (SqlConnection)(Dts.Connections["ADO_NET_ReportingOLTP"].AcquireConnection(Dts.Transaction) 

as SqlConnection);
            SqlDataReader sqlreader = null;
            //MessageBox.Show(DBConn.ConnectionString, "FF_DST_Details");

            //DBConn.Open();
            SqlCommand cmd = new SqlCommand(prname, DBConn);
            cmd.CommandTimeout = 300;
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.CommandText = prname;
            //MessageBox.Show(cmd.CommandText, "Stored Procedure About to execute...");
            param1.ParameterName = "StartDate";
            param1.Value = (DateTime)Dts.Variables["User::str_StartDate"].Value;
            cmd.Parameters.Add(param1);
            //MessageBox.Show(param1.ParameterName, "Parameter1 About to execute...");
            param2.ParameterName = "EndDate";
            param2.Value = (DateTime)Dts.Variables["User::str_EndDate"].Value;
            cmd.Parameters.Add(param2);
            //MessageBox.Show(param2.ParameterName, "Parameter2 About to execute...");  
            //MessageBox.Show(cmd.CommandText, "About to execute...");
            sqlreader = cmd.ExecuteReader();
            //MessageBox.Show(sqlreader.FieldCount.ToString(), "Column Count");

// log
            Dts.Events.FireInformation(0, "Info: ", "Begin process!", string.Empty,

            if (sqlreader.HasRows)
             {
                 while (sqlreader.Read())
                 {
                    counter = sqlreader.RecordsAffected;
                    sw.WriteLine(sqlreader[0]);
                 }
                 sqlreader.NextResult();
              }

                if (sqlreader!= null)
                {
                    sqlreader.Close();
                }

            //  Close the connection
            if (DBConn != null)
            {
                DBConn.Close();
            }

            Dts.TaskResult = (int)ScriptResults.Success;
            // sqlreader.Close();
            //DBConn.Close();
            sw.Close();


        }

        #region ScriptResults declaration
        /// <summary>
        /// This enum provides a convenient shorthand within the scope of this class for setting the
        /// result of the script.
        /// 
        /// This code was generated automatically.
        /// </summary>
        enum ScriptResults
        {
            Success = Microsoft.SqlServer.Dts.Runtime.DTSExecResult.Success,
            Failure = Microsoft.SqlServer.Dts.Runtime.DTSExecResult.Failure
        };
        #endregion

}
}


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