Already Open DataReader Error
Jan 9, 2007
I am getting the following error when running some of my reports that use a Report Model on a recently built Windows 2003 R2 server with SQL Server 2005 SP2 intalled. The reports run fine our SQL Server 2005 RTM server.
W3wp!webserver!7!01/09/2007-12:57:58:: e
ERROR: Reporting Services
error Microsoft.ReportingServices.Diagnostics.Utilities.RSException:
An error has occurred during report processing. ---> Microsoft.ReportingServices.ReportProcessing.ProcessingAbortedException: An error has occurred during report processing. ---> System.InvalidOperationException:
There is already an open DataReader associated with this Command which must be closed first.
Any help would be appreciated.
Rick
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Apr 16, 2008
Looking at the below code you can see that I have a separate Connection for each Insert Statement.'OPEN CONNECTION TO ESOSQL
MyConnection = New SqlConnection("......")
MyConnection.Open()
'check if there are existing charges for this person. The user must enter in atleast 1 charge before proceeding with arrest insert.
MyCheck = New SqlCommand("SELECT * FROM ARREST_CHARGES WHERE ARRESTNO = '" & Session("uid") & "'", MyConnection)
MyCheck.CommandType = CommandType.Text
MyDataReader = MyCheck.ExecuteReader
If MyDataReader.HasRows Then
MyConnection1 = New SqlConnection("...")
MyConnection1.Open()
MyInsert = New SqlCommand("INSERT INTO ARREST_INDEX (ARRESTNO, NOTES) VALUES ('" & Session("uid") & "','" & tx_notes.Text & "')", MyConnection1)
MyInsert.CommandType = CommandType.Text
MyInsert.ExecuteNonQuery()
MyConnection1.Close()
MyConnection2 = New SqlConnection("....")
MyConnection2.Open()
MyOtherInsert = New SqlCommand("INSERT INTO ARREST_COMMENTS (ARRESTNO, NOTES) VALUES ('" & Session("uid") & "','" & tx_notes.Text & "')", MyConnection2)
MyOtherInsert.CommandType = CommandType.Text
MyOtherInsert.ExecuteNonQuery()
MyConnection2.Close()
Label1.Text = ""
Else
div1.Style.Add("display", "block")
Label1.Text = "You must enter charges before proceeding."
End If
MyConnection.Close()One would think I should only have to use one connection. However, if I use only one I get this error:There is already an open DataReader associated with this Command which must be closed first. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first.Source Error: Line 60:
Line 61: MyInsert.CommandType = CommandType.Text
Line 62: MyInsert.ExecuteNonQuery()
Line 63:
Line 64: ' MyConnection1.Close()The only way I could get rid of it was to encapsulate each individual INSERT statement within its own connection. This seems to me as very inefficient. Can anyone explain why I couldn't just use one connection?Thanks.
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Nov 1, 2006
HiI'm trying to loop through all the records in a recordset and perform a database update within the loop. The problem is that you can't have more than one datareader open at the same time. How should I be doing this? cmdPhoto = New SqlCommand("select AuthorityID,AuthorityName,PREF From qryStaffSearch where AuthorityType='User' Order by AuthorityName", conWhitt)conWhitt.Open()dtrPhoto = cmdPhoto.ExecuteReaderWhile dtrPhoto.Read()If Not File.Exists("D:WhittNetLiveWebimagesstaffphotospat_images_resize" & dtrPhoto("PRef") & ".jpg") ThencmdUpdate = New SqlCommand("Update tblAuthority Set NoPhoto = 1 Where AuthorityID =" & dtrPhoto("AuthorityID"), conWhitt)cmdUpdate.ExecuteNonQuery()End IfEnd WhileThanks
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Jun 26, 2007
This is my code:1 If Session("ctr") = False Then
2
3 Connect()
4
5 SQL = "SELECT * FROM counter"
6 SQL = SQL & " WHERE ipaddress='" & Request.ServerVariables("REMOTE_ADDR") & "'"
7 dbRead()
8
9 If dbReader.HasRows = True Then
10
11 dbReader.Read()
12 hits = dbReader("hits")
13 hits = hits + 1
14 dbClose()
15
16 SQL = "UPDATE counter SET hits=" & hits
17 SQL = SQL & " WHERE ipaddress='" & Request.ServerVariables("REMOTE_ADDR") & "'"
18 dbExecute()
19
20 Else
21
22 SQL = "INSERT INTO counter(ipaddress,hits)"
23 SQL = SQL & " VALUES('" & Request.ServerVariables("REMOTE_ADDR") & "',1)"
24 dbExecute()
25
26 End If
27
28 Session("ctr") = True
29
30 End If
1 Public Sub Connect()
2 Conn = New SqlConnection("Initial Catalog=NURSETEST;User Id=sa;Password=sa;Data Source=KSNCRUZ")
3 If Conn.State = ConnectionState.Open Then
4 Conn.Close()
5 End If
6 Conn.Open()
7 End Sub
8
9 Public Sub Close()
10 Conn.Close()
11 Conn = Nothing
12 End Sub
13
14 Public Sub dbExecute()
15 dbCommand = New SqlCommand(SQL, Conn)
16 dbCommand.ExecuteNonQuery()
17 End Sub
18
19 Public Sub dbRead()
20 dbCommand = New SqlCommand(SQL, Conn)
21 dbReader = dbCommand.ExecuteReader
22 End Sub
23
24 Public Sub dbClose()
25 SQL = ""
26 dbReader.Close()
27 End Sub
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May 2, 2008
"There is already an open datareader associated with this command which must be closed first."
I have received this same error before, but I'm not sure why I'm getting it here.'Create a Connection object.
MyConnection = New SqlConnection("...............................")
'Check whether a TMPTABLE_QUERY stored procedure already exists.
MyCommand = New SqlCommand("...", MyConnection)
With MyCommand
'Set the command type that you will run.
.CommandType = CommandType.Text
'Open the connection.
.Connection.Open()
'Run the SQL statement, and then get the returned rows to the DataReader.
MyDataReader = .ExecuteReader()
'Try to create the stored procedure only if it does not exist.
If Not MyDataReader.Read() Then
.CommandText = "create procedure tmptable_query as select * from #temp_table"
MyDataReader.Close()
.ExecuteNonQuery()
Else
MyDataReader.Close()
End If
.Dispose() 'Dispose of the Command object.
MyConnection.Close() 'Close the connection.
End With
As you can see, the connection is opened and closed, and the datareader is closed. Here's what comes next...'Create another Connection object.
ESOConnection = New SqlConnection("...")
If tx_lastname.Text <> "" Then
If (InStr(sqlwhere, "where")) Then
sqlwhere = sqlwhere & " AND lname like '" & Replace(tx_lastname.Text, "'", "''") & "%'"
Else
sqlwhere = " where lname like '" & Replace(tx_lastname.Text, "'", "''") & "%'"
End If
End If
If tx_firstname.Text <> "" Then
If (InStr(sqlwhere, "where")) Then
sqlwhere = sqlwhere & " AND fname like '" & Replace(tx_firstname.Text, "'", "''") & "%'"
Else
sqlwhere = " where fname like '" & Replace(tx_firstname.Text, "'", "''") & "%'"
End If
End If
dynamic_con = sqlwhere & " order by arr_date desc "
'create the temporary table on esosql.
CreateCommand = New SqlCommand("CREATE TABLE #TEMP_TABLE (".............", ESOConnection)
With CreateCommand
'Set the command type that you will run.
.CommandType = CommandType.Text
'Open the connection to betaserv.
ESOConnection.Open()
'Run the SQL statement.
.ExecuteNonQuery()
End With
'query our side
ESOCommand = New SqlCommand("SELECT * FROM [arrest_index]" & dynamic_con, ESOConnection)
'execute query
ESODataReader = ESOCommand.ExecuteReader()
'loop through recordset and populate temp table
While ESODataReader.Read()
MyInsert = New SqlCommand("INSERT INTO #TEMP_TABLE VALUES("......", ESOConnection)
'Set the command type that you will run.
MyInsert.CommandType = CommandType.Text
'Run the SQL statement.
MyInsert.ExecuteNonQuery()
End While
ESODataReader.Close() 'Create a DataAdapter, and then provide the name of the stored procedure.
MyDataAdapter = New SqlDataAdapter("TMPTABLE_QUERY", ESOConnection)
'Set the command type as StoredProcedure.
MyDataAdapter.SelectCommand.CommandType = CommandType.StoredProcedure
'Create a new DataSet to hold the records and fill it with the rows returned from stored procedure.
DS = New DataSet()
MyDataAdapter.Fill(DS, "arrindex")
'Assign the recordset to the gridview and bind it.
If DS.Tables(0).Rows.Count > 0 Then
GridView1.DataSource = DS
GridView1.DataBind()
End If
'Dispose of the DataAdapter
MyDataAdapter.Dispose()
'Close server connection
ESOConnection.Close() Again, a separate connection is open and closed.I've read you can only have 1 datareader available per connection. Isn't that what I have here? The error is returned on this line: MyInsert.ExecuteNonQuery()
Help is appreciated.
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Aug 1, 2004
Hi all!
I basically need to get some records from a table and while looping through them i need to insert some records on other table.
I keep getting this error:
There is already an open DataReader associated with this connection which must be closed first.
The piece of code that I have is like this:
...
SqlCommand sqlCmd2 = new SqlCommand(sqlString2, dbConn);
sqlCmd2.Transaction = trans;
SqlDataReader dr = sqlCmd2.ExecuteReader(CommandBehavior.CloseConnection);
//loop through dr
while (dr.Read())
{
string sqlStr = "insert into prodQtyPrice (typeQtyId, prodId, typeId) values(28," + dr["prodId"] + "," + dr["typeId"] +")";
SqlCommand sqlCmd3 = new SqlCommand(sqlStr, dbConn);
//sqlCmd3.Transaction = trans;
sqlCmd3.ExecuteNonQuery();
}
...
Also I would like to have the insertions in the same transaction as the previous sql commands.
Thanks a million!
LAM
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Dec 13, 2007
Hi,
I hope someone can help me with this.
I have created a data reader to loop thru a table and build an update statement.
Now I need to execute this statement in the datareader loop but the connection object is in use.
I tried creating another connection object but get an error:
"The context connection is already in use."
Is there a way to open another connection while the main context connection is open.
Just to make it clear, I do not want to read all the rows into memory first and then call update, it has to
happen for each iteration of the datareader.
Thanks.
--
With Regards
Shailen Sukul
Software Architect/Developer/Consultant
(BSc | Mcts (Biztalk (IP)) | Mcpd | Mcts (Web, Win, Dist Apps) | Mcsd.NET | Mcsd | Mcad)
Ashlen Consulting Services Pty Ltd
(http://www.ashlen.com.au)
MSN | Skype | GTalk Id: shailensukul
Ph: +61 0421 277 812
Fax: +61 3 9011 9732
Linked In: http://www.linkedin.com/in/shailensukul
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Oct 15, 2007
I have gathered from reading online that I need to create a 2nd connection to SQL Server if I want to insert records into the database while in a "while (reader.Read())" loop.
I am trying to make my code as generic as possible, and I don't want to have to re-input the connection string at this point in my code. Is there a way to generate a new connection based on the existing open one? Or should I just create 2 connections up front and carry them around with me like I do for the 1 connection now?
Thanks.
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May 3, 2008
the class code:
Dataase.cs: using System; using System.Data; using System.Configuration; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Xml.Linq; using System.Data.SqlClient; using System.Data.Common; using System.Web; /// <summary> /// Summary description for DataBase /// </summary> public class DataBase { private SqlConnection con=new SqlConnection(); private void Open() { if (con==null) { con = new SqlConnection("Data Source=58.17.30.81;Initial Catalog=a1230192748;Persist Security Info=True;User ID=a1230192748;Password=***"); } if (con.State == System.Data.ConnectionState.Closed) { con.ConnectionString = "Data Source=58.17.30.81;Initial Catalog=a1230192748;Persist Security Info=True;User ID=a1230192748;Password=****"; con.Open(); } } public void Close() { if (con != null && con.State != System.Data.ConnectionState.Open) con.Close(); } public DataBase() { // // TODO: Add constructor logic here // } public string liuyan(string id,string sign) { string com=string.Empty; switch(sign) { case "xiaobiaoti": com="Select subject from liuyan where liuyanid='"+id+"'"; break; case "def_message": com="Select message from liuyan where liuyanid='"+id+"'"; break; } SqlCommand myCommand=new SqlCommand(com,con); Open(); try { SqlDataReader sdr=myCommand.ExecuteReader(); if (sdr.Read()) { return sdr[0].ToString(); } else { return ""; } sdr.Close(); //what i have written.} catch (Exception ex) { HttpContext.Current.Response.Write("<script>alert('error:" + ex.Message + "')</script>"); return ""; } finally { myCommand.Dispose(); Close(); } } }
it was instantiated once in aspx.cs code.I invoke liuyan(string id,string sign) twice.The first one is OK and the second one makes an exception.
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Feb 1, 2007
This is my page_loads event code and iam getting the Exception pasted below the code.
-----------------------------------------------------------------------------------------------------------------------------------------------------
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
If Not Page.IsPostBack Then
Dim myconnection As New SqlConnection("Data Source=localhostSQLEXPRESS;initial catalog = safetydata.mdf;Integrated Security=True;User Instance=True")
Dim strSQL As String = "SELECT Incident_Id,Emp_No From Report_Incident"
Dim mycommand As New SqlCommand(strSQL, myconnection)
myconnection.Open()
Dim reader As SqlDataReader = mycommand.ExecuteReader()
Dim chart As New PieChart
chart.DataSource = reader
chart.DataXValueField = "Incident_id"
chart.DataYValueField = "Emp_No"
chart.DataBind()
chart.DataLabels.Visible = True
ChartControl1.Charts.Add(chart)
ChartControl1.RedrawChart()
myconnection.Open()
End If
End Sub
-------------------------------------------------------------------------------------------------------------------------------
EXCEPTION IS BELOW
Cannot open database "mydatabase.mdf" requested by the login. The login failed.Login failed for user 'myusername'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: Cannot open database "safetydata.mdf" requested by the login. The login failed.Login failed for user 'myusername'.Source Error:
Line 18: Dim strSQL As String = "SELECT Incident_Id,Emp_No From Report_Incident"
Line 19: Dim mycommand As New SqlCommand(strSQL, myconnection)
Line 20: myconnection.Open()
Line 21: Dim reader As SqlDataReader = mycommand.ExecuteReader()
Line 22: Source File: C:Incident Reporting System--Trial VersionWebChart.aspx Line: 20 Stack Trace:
[SqlException (0x80131904): Cannot open database "safetydata.mdf" requested by the login. The login failed.
Login failed for user 'myusername'.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +171
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +199
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2305
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +34
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +606
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +193
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +501
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +429
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +70
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +512
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +85
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +89
System.Data.SqlClient.SqlConnection.Open() +160
ASP.webchart_aspx.Page_Load(Object sender, EventArgs e) in C:Incident Reporting System--Trial VersionWebChart.aspx:20
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +13
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +45
System.Web.UI.Control.OnLoad(EventArgs e) +80
System.Web.UI.Control.LoadRecursive() +49
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3745
Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.
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Apr 1, 2008
Hello, I get the following error when I run my package interactively. From the logs written out by the driver, it appears that all is working well as far as connecting to the data source and pulling data. It seems as if this error occurs when the DataReader source tries to process the received data.
SSIS package "MyPackage.dtsx" starting.
Information: 0x4004300A at Data Flow Task, DTS.Pipeline: Validation phase is beginning.
Information: 0x40043006 at Data Flow Task, DTS.Pipeline: Prepare for Execute phase is beginning.
Information: 0x40043007 at Data Flow Task, DTS.Pipeline: Pre-Execute phase is beginning.
Error: 0xC0047062 at Data Flow Task, DataReader Source [1]: System.Data.Odbc.OdbcException: ERROR [42000] XML parse error at 162:1338: not well-formed (invalid token)
at System.Data.Odbc.OdbcConnection.HandleError(OdbcHandle hrHandle, RetCode retcode)
at System.Data.Odbc.OdbcCommand.ExecuteReaderObject(CommandBehavior behavior, String method, Boolean needReader, Object[] methodArguments, SQL_API odbcApiMethod)
at System.Data.Odbc.OdbcCommand.ExecuteReaderObject(CommandBehavior behavior, String method, Boolean needReader)
at System.Data.Odbc.OdbcCommand.ExecuteReader(CommandBehavior behavior)
at System.Data.Odbc.OdbcCommand.ExecuteDbDataReader(CommandBehavior behavior)
at System.Data.Common.DbCommand.System.Data.IDbCommand.ExecuteReader(CommandBehavior behavior)
at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.PreExecute()
at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostPreExecute(IDTSManagedComponentWrapper90 wrapper)
Error: 0xC004701A at Data Flow Task, DTS.Pipeline: component "DataReader Source" (1) failed the pre-execute phase and returned error code 0x80131937.
Information: 0x40043009 at Data Flow Task, DTS.Pipeline: Cleanup phase is beginning.
Information: 0x4004300B at Data Flow Task, DTS.Pipeline: "component "OLE DB Destination" (691)" wrote 0 rows.
Task failed: Data Flow Task
SSIS package "MyPackage.dtsx" finished: Success.
I am not sure where to look next. Any help is much appreciated.
Dave
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May 21, 2008
I have a problem with DataReaderSource.
I'm trying to get data from Notes table. I created a Connection manager
and the connection was successful. The SQLCommand in "Component properties"
tab is a simple "select * from <table_name>". When I switch to the
"Column mappings" tab, only the first column from the table is displayed.
Pressing the "Reftesh" button resulst in the following error:
Error at Data Flow Task {DTS.Pipeline]: The "output column <column_name> has a length that is not valid.
The length must be between 0 and 4000.
When I go to the "Input and Output Properties" tab, the DataType for the output column is not populated
and the error message "Error in Data Flow Task [DTS.Pipeline]: The output column <column_name> had an
invalid datatype (0) set."
The DataType property is not populated at all. Changing the data type to DT_STR results in error:
"Property value is not valid". Details: Error at Data Flow Task [DataReader Source]:
The data type of output columns on the component "DataReader Source" cannot be changed".
I read on a previous post to explicitly convert field , and tried to explicitly covnert the dataype on the field
in my query (ex. select convert(varchar(50) from fieldname)
It then gives foll err:
ERROR [42000] [Lotus][ODBC Lotus Notes]Incorect syntax near ','
[Lotus][ODBC Lotus Notes]Name, constant or expression expected.
Any idea on how to resolve this?
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Oct 25, 2007
I get an error at the end of a 47 million row job when I use the datareader source. It goes through all the records and then the package fails. The error (DataReader Source [1]] Error: System.NullReferenceException: Object reference not set to an instance of an object. ) occurs at the datareader source. I suspect it's because my record set returns a null value at some point. Any ideas?
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Feb 29, 2008
I have a package that runs every hour. It runs fine most of the time but once in a while
I get this not very helpful error message "the component 'xyz' is unable to process data" on DataReader Source component.
when i try to run it again on the same data it works fine. So i dont think it has to do with data.
Is there a way i can get more information on this error?
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Aug 1, 2006
In my DAL:using System;using System.Collections;using System.Data;using System.Data.SqlClient;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public DataReader getPersonList2() { using (SqlConnection conn = getConnection()) { SqlCommand cmd = new SqlCommand("PERSON_SP_getPersonList", conn); cmd.CommandType = CommandType.StoredProcedure; conn.Open(); return cmd.ExecuteReader(); } }In my BLL:using System;using System.Collections;using System.Data;using System.Data.SqlClient;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;DAL d = new DAL();public DataReader getPersonList2(){ return d.getPersonList2(); }I get the following error in my BLL: Compiler Error Message: CS0246: The type or namespace name 'DataReader' could not be found (are you missing a using directive or an assembly reference?)
Source Error:
Line 34: }Line 35: Line 36: public DataReader getPersonList2(){Line 37: return d.getPersonList2();Line 38: }
Source File: c:InetpubwwwrootstudyApp_CodeBLL.cs
Line: 36
Just wondering if someone could tell me why this is happening? I have the same namespaces that I have in the DAL in my BLL.Puzzled.
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Mar 4, 2008
I call the datareader using a sqlCommand that I programmatically build and it accesses the database fine. I can use the exact SQL command that I generate and I can get a result when i run it in SQL Management Studio. When I run the application and try to access the datareader, it throws an exception whose message is quite frustratingly, <column name>, or in this case "image_URL". Anyone have any idea what might be causing such an ambiguous error?
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Feb 24, 2006
I am trying to import data from an ODBC source using the Datareader but have come accross a problem, can anyone help?
Whenever I try to do a 'SELECT * FROM sometable' I get the following error:
Error at Data Flow Task [DTS.Pipeline]: The output column "notes" (521) has a length that is not valid. The length must be betewwn 0 and 4000
Most of the tables we require have this field.
Is there any way to by pass this error and import the field as DT_WSTR type and convert to DT_NTEXT?
Our original DTS package (2000) worked well but we would like to move forward.
Thanks in advance.
John
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Nov 3, 2006
Hi,
I am trying to import data from Oracle RDB into SQL Server 2005 using SSIS. Created a ODBC data source to connect to Oracle and used DataReader Source component and ADO.net to connect to the ODBC data source.
Under the Component properties tab, the SQL Command looks something like this.
Select ID, ADDRESS, REVISED from ADDRESS
The data type for the source columns are Integer, Varchar(30) and DATE VMS.
Now when I look at the Input and Output properties window,
The External columns has the following data types.
ID - four-byte signed integer [DT_I4]
ADDRESS - Unicode string [DT_WSTR], length = 0
REVISED - database timestamp [DT_DBTIMESTAMP]
The Output columns has the following data types
ID - four-byte signed integer [DT_I4]
ADDRESS - Unicode string [DT_WSTR], length = 0
REVISED - database timestamp [DT_DBTIMESTAMP]
When I tried to change the length of the ADDRESS on the output column, I get the following error.
Error at Data Flow Task [DataReader Source [1]]: The data type of output columns on the component "DataReader Source" (1) cannot be changed.
Error at Data Flow Task [DataReader Source [1]]: System.Runtime.InteropServices.COMException (0xC020837D)
at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.SetOutputColumnDataTypeProperties(Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostSetOutputColumnDataTypeProperties(IDTSManagedComponentWrapper90 wrapper, Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
Is this the default length for the Unicode string type. I was not able to load the ADDRESS column as it gets truncated before I load it into destination. Even if I use Derived or Data Conversion transformation, the ADDRESS is getting truncated before it reaches this transformation.
Any thoughts.
Thanks,
SK
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Jan 13, 2006
Synopsis:
Attempting to create a data flow task to copy data from AS/400 (DB2) to SQL2005, using an existing System DSN ODBC connection defined on the SQL2005 host.
Problem:
When adding the DataReader Source component to the package, I cannot assign the Connection Manager. Designer issues the error message:
"The runtime connection manager with the ID "" cannot be found. Verify that the connection manager collection has a connection manager with that ID."
Editing the DataReaderSrc component shows only one row under the Connection Managers tab:
Name=IDbConnection
Connection Manager=blank
Description=Managed connection manager
The datareadersrc component editor displays the warning message: "Not all connection managers have been set. Set all connection managers.". Clicking the Refresh button causes the error message to be displayed "The runtime connection manager with the ID "" cannot be found. Verify that the connection manager collection has a connection manager with that ID."
I am prevented from assigning my Connection Manager object the DataReaderSrc.
The package already contains one Connect Manager object:
Provider: .Net Providers/Odbc Data Provider
System DSN
Test Connection operation succeeds
Any help would be appreciated.
Fraser.
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Oct 3, 2007
I have a data source that I access via odbc in a DataReader Source component in SSIS. I can access the data fine. However, I am having problems with certain fields that are numeric (specifically home prices ranging from 100,000.00 to 99,999,999.00). In the advanced editor for my data reader source under the input and output properties tab, in data reader output under the external columns and output columns, these fields for some reason default to numeric data types with a precision of 4 and a scale of zero, not large enough to hold the data that is coming in. This causes errors that make the data come in as null (after i specify to ignore the errors).
I can change the precision and scale to 18 and 4 in the external columns, but when I try to change the datatype, precision or scale in the output columns I get the following message:
Property Value is not valid.
The details are:
Error at Import DataReader Source: The data type of output columns on the component "DataReader Source" cannot be changed.
Error at DataReader Source: System.Runtime.InteropServices.COMException (0xC020837D)
at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.SetOutputColumnDataTypeProperties(Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostSetOutputColumnDataTypeProperties(IDTSManagedComponentWrapper90 wrapper, Int32 iOutputID, Int32 iOutputColumnID, DataType eDataType, Int32 iLength, Int32 iPrecision, Int32 iScale, Int32 iCodePage)
Any help is greatly appreciated.
Dave
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Jun 26, 2006
Hi,
I am using SSRS Microsoft SQL Server Reporting Services Designers
Version 9.00.1399.00. I want to open linked report in new window.
I tried whats mentioned in http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=240172&SiteID=1 but i get an error on Window.Open method.
How do I solve the problem?
Thanks
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Apr 7, 2007
hi
i need help to solve following error in ssis package when i aun ::
Error: 0xC0047062 at CTPKPF, DataReader Source [1]: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.SqlServer.Dts.Pipeline.DataReaderSourceAdapter.PrimeOutput(Int32 outputs, Int32[] outputIDs, PipelineBuffer[] buffers) at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostPrimeOutput(IDTSManagedComponentWrapper90 wrapper, Int32 outputs, Int32[] outputIDs, IDTSBuffer90[] buffers, IntPtr ppBufferWirePacket) Error: 0xC0047038 at CTPKPF, DTS.Pipeline: SSIS Error Code DTS_E_PRIMEOUTPUTFAILED. The PrimeOutput method on component "DataReader Source" (1) returned error code 0x80004003. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing. There may be error messages posted before this with more information about the failure. Error: 0xC0047021 at CTPKPF, DTS.Pipeline: SSIS Error Code DTS_E_THREADFAILED. Thread "SourceThread0" has exited with error code 0xC0047038. There may be error messages posted before this with more information on why the thread has exited. Information: 0x40043008 at CTPKPF, DTS.Pipeline: Post Execute phase is beginning. Information: 0x40043009 at CTPKPF, DTS.Pipeline: Cleanup phase is beginning. Information: 0x4004300B at CTPKPF, DTS.Pipeline: "component "OLE DB Destination" (1993)" wrote 0 rows. Task failed: CTPKPF
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Sep 20, 2004
Hi,
I have MSDE SP3 and the only thing that I have changed recently is my Windows login Password. In the
Enterprise Manager the SQL server is registered using mixed authentication.
When I try to open any DTS in Design mode, I get a error dialog with the title 'DTS Design error' and
saying that
"Error occured during creation of a DTS package"
and then when I click on the OKAY button I get the 2nd error dialog saying:
"The selected package cannot be opened. The DTS designer has been closed."
Can someone please help me out here.
Thanks.
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Nov 25, 2007
System.Data.SqlClient.SqlError: Cannot open backup device '\.Tape0'. Operating system error 5(error not found). (Microsoft.SqlServer.express.Smo)
i have only one sql instance and tape is istalled successfully.
please help me to find solution for this error.
Thanks,
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Feb 14, 2005
Hi, I am accessing an MSDE Database from within a C# program. When calling the OleDbConnection.Open() method, I get the following error:
Exception: System.Data.OleDb.OleDbException
Message: Object was open.
at System.Data.OleDb.OleDbConnection.ProcessResults(Int32 hr)
at System.Data.OleDb.OleDbConnection.InitializeProvider()
at System.Data.OleDb.OleDbConnection.Open()
Now I do not know what this means, since the Connection isn't open. And I do not know why this occurs. I am accessing the same database (but other tables) in the same program several times in the same way and do not get this error.
Any ideas?
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Sep 25, 2001
Hello All,
One of my clients is accessing SQL Enterprise Manager via
Citrix. He is getting an error message 'Unexpected error occured during this operation' while opening tables and displaying all rows in Enterprise Manager.
When I try the same thing through Enterprise Manager installed locally on my PC, I do not get any errors.
Has anybody faced a similar problem?
I am quite new to SQL Server. Please help.
Thanks in advance
Sumathy
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Nov 8, 2005
I created a few DTS packages in our Test Server saving them as file.dts. When I try to open them in from the production server I get an Unexpected error and the DTS is not opened. Do you have any fresh idea for me, please? Thanks!! :)
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Jul 23, 2005
Help! One of my main databases has been marked as suspect - theinitial problem is that my disk had no space. So I moved some files,made some space, stopped & restarted the service, and now I get thiserror in the errorlogs. There can't be anything else using thedatabase - I restarted the machine to kill everything that might betouching it, including the client application.2005-03-30 14:35:21.96 kernel udopen: Operating system error 32(Theprocess cannot access the file because it is being used by anotherprocess.) during the creation/opening of physical devicec:mssql7data<database>.mdf.2005-03-30 14:35:22.01 kernel FCB::Open failed: Could not open devicec:mssql7data<database>.mdf for virtual device number (VDN) 1.2005-03-30 14:35:22.03 spid6 Device activation error. The physicalfile name 'c:mssql7data<database>.mdf' may be incorrect.
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May 8, 2007
I am developing a web service that uses a sql data connection.
The sql database is on a server, and the development version of my web service is on my pc.
I can connect/access the data accross my network when I run the service on my PC, but as soon as I put the web service onto the server(with the sql) it displays, the service wont function - error: 40 - could not open a connection....
I presume that sql is configured correctly as I am recieving data back when I request it accross the network. I dont understand why it wont work when I have the service on the server with the sql?
Any help will be appreciated.
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Feb 23, 2008
Hello everyone:
I am developing a PDA application, everything is fine for me, but when I try to open Sdf DataBase (was generated by the Wizard ADS ), it gives me the following error pda:
Unable to load a DLL SQl Server Compact. Reinstall SQL Server Compact. [DLL name = sqlcese35.sys.dll]
I commented that i reset the hardware pda several times and I have reinstalled these files:
sqlce.dev.ES.wce5.armv4i.CAB
sqlce.repl.wce5.armv4i.CAB
sqlce.wce5.armv4i.CAB
They are located at:
C:Program FilesMicrosoft SQL Server Compact Editionv3.5Deviceswce500armv4i
They say that my PDA have Windows Mobile 6.0, i development in Visual Studio 2005 C#, and the processor is a Marvell in uan IPAQ 114 Classic, my doubts are several:
-- Is this the whole package for this processor?
-- How to i konw that the package it is up to each type of processor?
-- If this package ... What should I do to correct the mistake?
Best regards and thanks in advance.
Albert
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Jan 4, 2007
Hi there,
I have written a program that loads a package (SomePackage.dtsx) from the physical drive and executes that. The package does nothing but imports data from a csv file to the Sql server 2005. But I can see that the package is failing continuously. I meant the package.Execute() method is returning a DTSExecResult.Failure. I investigated the Package.Errors property that contains the error collection and found that there are two DTSError objects into the collection.
The first one€™s description says that
Cannot open the datafile "D:SOME.csv".
And the later one€™s is
component "SOURCE FLAT FILE COMPONENT" (1) failed the pre-execute phase and returned error code 0xC020200E.
But the most interesting thing is if I execute the package through the Execute package Utility (double clicking onto the SomePackage.dtsx file) ships with Sql server 2005 then it executes fine and works as expected. I have checked the permission of the csv file and it has everyone€™s full access.
Can anyone help me on this?
I will appreciate all kind of suggestions.
Thanks
Moim
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Mar 1, 2007
Hi,
I am trying to connect to my SQL Server 2005 but it gave me following error message.
TITLE: Connect to Server
------------------------------
------------------------------
ADDITIONAL INFORMATION:
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 53)
So, Please help me to solve this problem.
tnks.
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Aug 30, 2006
HI!
as far as I know from docs and forum datareader is for .NET data in memory. So if a use a complex dataflow to build up some data and want to use this in other dataflow componens - could i use data datareader source in the fist dataflow and then use a datareader souce in the second dataflow do read the inmemoty data from fist transform to do fursther cals ?
how to pass in memory data from one dataflow to the next one (i do not want to rebuild the logic in each dataflow to build up data data ?
Is there a way to do this ? and is the datareader the proper component ? (because its the one and only inmemory i guess, utherwise i need to write to temp table and read from temp table in next step) (I have only found examples fro .NET VB or C# programms to read a datareader, but how to do this in SSIS directly in the next dataflow?
THANKS, HANNES
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