Change connection string in MS Excel 2013 powerpivot

I need to update connection strings of multiple files in Bulk using c# . But , Its working for MS Excel 2010 and not for Excel 2013.
Code snippet :
Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel.Workbook ppWorkbook = (Microsoft.Office.Interop.Excel.Workbook)xlApp.Workbooks.Open(fileNameBox.Text);
Microsoft.Office.Interop.Excel.Connections connections = ppWorkbook.Connections;
string newConnectionString = "Connection String";
try
foreach (Microsoft.Office.Interop.Excel.WorkbookConnection connection in connections)
connection.OLEDBConnection.Connection = newConnectionString;
catch (Exception ex)
It occurs while assigning the connection string to OLEDBConnection. Need solution for MS Excel 2013 c#.

Hello,
this links contains all connection string about Excel:
https://www.connectionstrings.com/excel/

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Error while connecting to an OData Feed from Excel 2013 PowerPivot . Error: Failed to connect to the server. Reason: The payload kind 'BinaryValue' of the given data feed is not supported

I am trying to connect to a Odata Data feed from Excel 2013 Power Pivot
The datasource is in sharepoint site eg: https://sitename/Shared%20Documents/datafeed.atomsvc
getting below error
Error message:
Failed to connect to the server. Reason: The payload kind 'BinaryValue' of the given data feed is not supported.
============================
Call Stack:
============================
   at Microsoft.Data.DataFeedClient.DataFeedODataReader.ValidatePayloadKind(ODataPayloadKind payloadKind, ODataMessageReader odataMessageReader)
   at Microsoft.Data.DataFeedClient.DataFeedODataReader.InterceptODataException(Action action)
   at Microsoft.Data.DataFeedClient.DataFeedODataReader..ctor(IODataResponseMessage responseMessage, Int64 maxReceivedMessageSize)
   at Microsoft.Data.DataFeedClient.DataFeedODataReader.CreateReader(IWebResponse webResponse, Int64 maxReceivedMessageSize, Boolean applySlashUpdatingBaseUriResolver)
   at Microsoft.Data.DataFeedClient.ODataHelper.GetCollectionsFromServiceDocumentUrl(Uri serviceDocumentUrl, DataFeedConnection connection)
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Appreciate suggestions/answers
NOTE: The error is showing only while using Excel 2013 powerpivot
its working good with Excel 2010 powerpivot

Anita,
Please look into using Power Query to use OData as a source in Power Pivot.
Thanks!
Ed Price, Power BI & SQL Server Customer Program Manager (Blog,
Small Basic,
Wiki Ninjas,
Wiki)
Answer an interesting question?
Create a wiki article about it!

Excel 2013 Powerpivot datamodel error with DATE formula

Hello forum users and Excel guru's alike.
I have a question relating the datamodel in Excel 2013 Powerpivot. I am using a Dutch version of Excel (on Office 365) but formula's in Datamodel are all in English so I think most of you will understand the issue:
What I want to do: Take a date and adjust this date to incorparate a number of months that is added in a other column.
Example:
Start of contract date: 24-5-2014 (this is a date field in the datamodel and it is called [StartContract])
Contract duration in months: 10 (this is a number field in the datamodel and it is called [DurationInMonths])
Output: 24-03-2015
(this is the calculated field that doesn't work)
My current formula looks like this:
=DATE(YEAR([StartContract]);MONTH([StartContract]+[DurationInMonths]);DAY([StartContract]))
It shows an error as soon as I hit Enter. The formula works fine when I replace [DurationInMonths] with the value "10" or when I leave out "+[DurationInMonths]". But that isn't an option!
The following variation also doesn't work.
=DATE(YEAR([StartContract]);MONTH([StartContract])+[DurationInMonths];DAY([StartContract]))
Please, is there any one with a solution?
Kind regards,
Erik van Hurck

Hi Tony,
I have tried your solution, to no succes I am sad to say.
I do agree that the formula works in Excel, but now switch over to the
PowerPivot Data model and try the formula there. And it will repport an error:
=DATE(year([StartDate]);month([StartDate]+[DurationInMonths]);DAY([StartDate]))
is the formula I used in the Datamodel.
The DurationInMonths field is:
Whole numbers and formatted as: General
The StartDate is:
Auto (Date) and formatted as: Short Date
For more Information I get this error:
Cannot query internal supporting structures for column "EndDate" because they depend on a column, relationship, or measure that is not processed. please refresh or recalculate the model. Maybe this link will help further:
http://office.microsoft.com/en-au/excel-help/upgrade-power-pivot-data-models-to-excel-2013-HA103356104.aspx

Excel has stopped working when I try to launch Excel 2013 Powerpivot

Redirected from the Win 7 forum: (http://answers.microsoft.com/en-us/office/forum/office_2013_release-excel/excel-has-stopped-working-when-i-try-to-launch/01460690-abab-495f-ab5f-904f72f88668)
My system is a Windows 7 machine, 64 bit
I previously had Excel 2010 32bit with 32 both Powerpivot installed. However I am currently evaluating 64 bit Excel 2013 with Powerpivot for my company so I uninstalled Excel 2010 and installed an evaluation copy of Excel 2013 64 bit.
However whenever I launch Excel, enable Powerpivot, then click any of the Powerpivot buttons it gives me an error saying "Excel has stopped working".
I took a look in the Windows events logs and found:
Faulting application name: EXCEL.EXE, version: 15.0.4420.1017, time stamp: 0x506741b5
Faulting module name: mscorwks.dll, version: 2.0.50727.5477, time stamp: 0x5265c8ee
Exception code: 0xc0000005
Fault offset: 0x00000000002ba203
Faulting process id: 0x3e8c
Faulting application start time: 0x01cf52a7644eda9d
Faulting application path: C:\Program Files\Microsoft Office\Office15\EXCEL.EXE
Faulting module path: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\mscorwks.dll
Report Id: afa4f824-be9a-11e3-94ac-415645000030
I have tried uninstalling and re-installing as well as doing a Repair on my .net framework, which is the latest version.

You can go to check the dll file, what's size of this dll file?
If the file size is 0 byte, you can check the link below:
http://forums.steampowered.com/forums/showthread.php?t=2735528
Also you can go to check the disabled items (File->Options->Add-ins->Disabled items->Go) to see if any dll file was disabled.
In addition, Isn't the latest version of .NET Framework supposed to be 4.0?(Not quite familiar with this)
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee
the accuracy of this information.
Wind Zhang
TechNet Community Support

Excel 2013 PowerPivot Error - "PowerPivot is unable to load the Data Model"

I'm attempting to use the PowerPivot add-on in Excel. When clicking 'Manage Data Model' or attempting to 'Load to data model,' I receive the error 'We couldn't load the Data Model. This may be because the Data Model in this workbook is damaged.',
followed by 'PowerPivot is unable to load the Data Model.' This happens irrespective of data source type. I have Excel 2013 32-bit, PowerPivot 32-bit, running on Windows 7 OS 64-bit. I am not running an SSAS instance on my machine.
Any suggestions?

Hi
Have you ever tried to repair your office?
Also we may refer to the following blog :
http://blogs.technet.com/b/the_microsoft_excel_support_team_blog/archive/2013/11/12/powerpivot-for-excel-2013-errors-after-october-update-kb-2825655.aspx
This issue seems to be caused by the October 2013 update (KB 2825655) for Excel 2013. Try to remove it or restore the system to an earlier point and check the result.
Regards
Tylor Wang
TechNet Community Support

Problem with Connection Manager. Can't change connection string / Server name

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Hi,
I have copied a number of SSID packages from a live server to my test server and am trying to get them up and running but I have a problem with the connection. The only thing that is different is the server name. I decided to keep the same connection in the connection manager as it is referenced in a dtsConfig file. I changed the dtsConfig file to reference the new servername [Data Source= new test server name]. I also check my paths and they are pointing to the correct config locations etc.
I found this post which was similar to my problem but I still get problems with the connection
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1319961&SiteID=1
I updated the connection by changing the server name in the actual connection. I did this from the data flow tab in the Connection Managers sections (MS Visual Studio). Right clicked - Edit - changed the name of the server name to my test server and selected the database. Test connection was fine, and saved this.
Once I saved this, the connection string changed to my current test server in the properties of the connection. However when I run the package I get the following error:
Error: 0xC0202009 at ReportsImport, Connection manager "myconnectionstring": SSIS Error Code DTS_E_OLEDBERROR.  An OLE DB error has occurred. Error code: 0x80004005.
An OLE DB record is available.  Source: "Microsoft SQL Native Client"  Hresult: 0x80004005  Description: "Login timeout expired".
An OLE DB record is available.  Source: "Microsoft SQL Native Client"  Hresult: 0x80004005  Description: "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.".
An OLE DB record is available.  Source: "Microsoft SQL Native Client"  Hresult: 0x80004005  Description: "Named Pipes Provider: Could not open a connection to SQL Server [53]. ".
Error: 0xC020801C at Myprocess import from file, BuyAtReportsImport [79]: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER.  The AcquireConnection method call to the connection manager "myconnectionstring" failed with error code 0xC0202009.  There may be error messages posted before this with more information on why the AcquireConnection method call failed.
Error: 0xC0047017 at Myprocess import from file, DTS.Pipeline: component "ReportsImport" (79) failed validation and returned error code 0xC020801C.
Error: 0xC004700C at Myprocess import from file, DTS.Pipeline: One or more component failed validation.
Error: 0xC0024107 at Myprocess import from file: There were errors during task validation.
So even if I change the existing connection properties and save and Build my package again, my connection properties (connectionstring, servername etc) all revert back to its original data source when I re-open the package. Simply it does not seem to be saving the connection properties i put in.
What am I doing wrong or how can I change the existing connection manager to look at the new server. The database is the same and I have full admin privilege on the server.
I don't want to recreate my packages as there are alot and they are not simple.
After changing the connection properties, saving and reloading I get a connection error. But this is because it is not retaining the new connection manger setting i entered.
Incidentally - I created a new SSID to perform a simple connection and write to the the server and it was OK so there is no problem with actually seeing the my test server.
Thanks in advance

Yes, the package is in visual studio and I have executed it. There are no errors but in the output i have the error message about my connection. My dtsConfig file is added to the project in the 'Package Configuration Organizer' and path and files are correct. This is the output error:
Error: 0xC020801C at xx import from file, xxReportsImport [79]: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireConnection method call to the connection manager "myconnectionname" failed with error code 0xC0202009. There may be error messages posted before this with more information on why the AcquireConnection method call failed.
I will try and run it using dtexec.exe. if I have two config files do i use
dtsexec.exe /f <packagename> /conf <configfile> /conf <secondconfigfile>

Changing connection string host from localhost to IP address produces error

Hi all,
First of all, thanks in advance for your help. Second, I know next to nothing about Oracle database administration, so please be patient, but I want to understand things, rather than just running down the Google rabbit hole with guess-and-check until things happen to work and I don't know why.
I've got a connection string that I'm using to connect to a local Oracle database I'm using for testing. I have the 11g installed and the 11.1.0.7 64-bit client (as my application is a 64-bit application) installed, both locally on my development machine. I've got a connection working using the following connection string:
Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))(CONNECT_DATA = (SERVER = DEDICATED)(SERVICE_NAME = mywindowslogin.path.to.me)));User Id=********;Password=********;However, when I change "localhost" to my IP address, my computer name, or anything else, I get "ORA-12541: TNS:no listener".
The tnsnames.ora in my database home is as follows - it was set up for me automatically when I installed the database. mywindowslogin.path.to.me doesn't point to anywhere, which I assume is correct, but my computer is on the path.to.me domain.
LISTENER_MYWINDOWSLOGIN =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
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      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
MYWINDOWSLOGIN =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = mywindowslogin.path.to.me)
)How can I resolve this issue?
Edited by: Don on Jul 14, 2010 8:31 AM

Does setting the environment variable affect all installations? Only two of my four Oracle Homes have a tnsnames.ora file, or event a NETWORK/ADMIN location, so I'm not sure where to put tnsnames.ora in those Homes. I copied the tnsnames.ora for my database to the one other Home that had a NETWORK/ADMIN location, but I'm still getting "ORA-12541: TNS:no listener" if I don't use "localhost" as the host.
Thanks!
Edited by: Don on Jul 14, 2010 12:08 PM

How to change connection string for a form created with b1de

Hi all
i've created a form using the Code Generator tool ob B1DE
My question is how can i set the connection string to a different server and database. doing so after the creation wizard has finished?

Hi,
Why do you need to change the connection string? What are you calling "connection string for a form"???
The only connection string I now about is the one used to connect to the UI API... and this one is fixed for all apps in debug mode and given as parameter when your addon is registered in B1.
The connection string is filled in the code of your generated addon.
Please go to the main class of your addon, in the main method you have the following code where the connection string is filled either with the command line parameters (release mode) or with the fixed value given by SAP. This code doesn't need to be changed...
        public static void Main()
            int retCode = 0;
            string connStr = "";
            bool diRequired = true;
            // CHANGE ADDON IDENTIFIER BEFORE RELEASING TO CUSTOMER (Solution Identifier)
            string addOnIdentifierStr = "";
            if ((System.Environment.GetCommandLineArgs().Length == 1)) {
                connStr = B1Connections.connStr;
            else {
                connStr = System.Environment.GetCommandLineArgs().GetValue(1).ToString();
            try {
                // INIT CONNECTIONS
                retCode = B1Connections.Init(connStr, addOnIdentifierStr, diRequired);
Regards
Trinidad.

Excel 2013 PowerPivot add-in crashes

Running into a serious problem with little help on solving the issue. Any time I try doing anything with DAX Excel crashes and gives me the following error:
Please HELP!
Error #1
Excel is running into problems with the 'microsoft office powerpivot for excel 2013' add-in.
If this keeps happening, disable this add-in and check for available updates. Do you want to
disable it now?
Error #2
We couldn't load the PowerPivot add-in. First try Office Repair to fix issue. The error below
should help if that doesn't work.
Could not load file or assembly 'Microsoft.Office.Interop.Excel,
Version=15.0.0.0, Culture=Neutral,
PublicKeyToken=71e9bce111e9429c; or one of its dependencies.
The system cannot find the file specified.
Refreshing data is not a problem. Calculated columns and any work with Measures crashes Excel 2013 ProPlus
Things I've tried:
Office Repair; Quick and Online
'Fix It' application; re-install Office 365 ProPlus
Renaming OS.DLL to OS.DLL.Old; Restarting application
Restart computer

I tried clean boot, too. That did not seem to fix the issue.
After many failed attempts repairing the issue, I finally figured out something that works.
Start Excel in Safe Mode ( run: excel \safemode)
Alt - F11 (opens VBA editor)
Tools > references
Un-checked the following:
OLE Automation
Microsoft Office 15.0 Object Library
'Save As'
Re-open workbook normal
I've not had the errors reappear. Thoughts are that the workbook was corrupted and the add-in was affected.
google - 'Excelplusaddinsplustroubleshootingplusguide from codeproject dot com ' for link to source

Changing Connection String dynamically at runtime

I am using the Crystal Report Viewer control in in a Visuall Studio 2008 C# project. The reports are created inside of Visual Studio 2008, and will be running against an InterSystems Cache database. I have to use an ODBC (RDO) connection and use a connection string.
I have seen many examples of how to update the connection string at runtime if it is SQL server (or some flavor thereof), but nothing for an ODBC (RDO) connection to a NON-MSSQL database.
The problem when I update the connection string for each of the tables in the report, the report will either not run and display a window -- tiled 'Datbase Login' -- that has the Server, Database, Username, and Password fields on the window, OR, it will run but not against the database that was specified at runtime (it uses the connection stored in the report).
Code Sample #1 (This is using the connection string, and will cause a the "Database Login" window to be displayed - the first scenario from above)
rd = new ReportDocument();
// Load the report
rd.Load(fileName, OpenReportMethod.OpenReportByDefault);
rd.Refresh();
// Create the connection object
ConnectionInfo connectionInfo = CreateConnection(Server, Port, ServerNamespace, Username, Password);
// Set the connection info on each table in the report
SetDBLogonForReport(connectionInfo, rd);
SetDBLogonForSubreports(connectionInfo, rd);
private static ConnectionInfo CreateConnection(string Server,
                                               int Port,
                                               string ServerNamespace,
                                               string Username,
                                               string Password)
        ConnectionInfo connectionInfo = new ConnectionInfo();
        string connString = "DRIVER=InterSystems ODBC;SERVER=" + Server
                                                  + ";PORT=" + Port
                                                  + ";DATABASE=" + ServerNamespace
                                                  + ";UID=" + Username
                                                  + ";PWD=" + Password;
        connectionInfo.IntegratedSecurity = false;
        connectionInfo.UserID = Username;
        connectionInfo.Password = Password;        //In examples that I have seen, this is the actual connection string, not just the server name
        connectionInfo.ServerName = connString;          connectionInfo.DatabaseName = ServerNamespace;
        connectionInfo.Type = ConnectionInfoType.CRQE;
        return connectionInfo;
private static void SetDBLogonForReport(ConnectionInfo connectionInfo, ReportDocument reportDocument)
        foreach (CrystalDecisions.CrystalReports.Engine.Table table in reportDocument.Database.Tables)
            TableLogOnInfo tableLogonInfo = table.LogOnInfo;
            tableLogonInfo.ConnectionInfo = connectionInfo;
            table.ApplyLogOnInfo(tableLogonInfo);
private static void SetDBLogonForSubreports(ConnectionInfo connectionInfo, ReportDocument reportDocument)
        foreach (Section section in reportDocument.ReportDefinition.Sections)
            foreach (ReportObject reportObject in section.ReportObjects)
                if (reportObject.Kind == ReportObjectKind.SubreportObject)
                    SubreportObject subreportObject = (SubreportObject)reportObject;
                    ReportDocument subReportDocument = subreportObject.OpenSubreport(subreportObject.SubreportName);
                    SetDBLogonForReport(connectionInfo, subReportDocument);
Sample #2 (the same as Sample #1 above, only the ConnectionInfo method is different - which is all that I included here)
private static ConnectionInfo CreateConnection(string Server,
                                                int Port,
                                               string ServerNamespace,
                                               string Username,
                                               string Password)
        ConnectionInfo connectionInfo = new ConnectionInfo();
        string connString = "DRIVER=InterSystems ODBC;SERVER=" + Server
                                                  + ";PORT=" + Port
                                                  + ";DATABASE=" + ServerNamespace
                                                  + ";UID=" + Username
                                                  + ";PWD=" + Password;
        connectionInfo.Attributes.Collection.Add(new NameValuePair2(
                          DbConnectionAttributes.CONNINFO_DATABASE_DLL, DbConnectionAttributes.DATABASE_DLL_CRDB_ODBC));
        connectionInfo.Attributes.Collection.Add(new NameValuePair2(
                          DbConnectionAttributes.QE_DATABASE_NAME, ServerNamespace));
        connectionInfo.Attributes.Collection.Add(new NameValuePair2(
                          "QE_DatabaseType", "ODBC (RDO)"));
        DbConnectionAttributes attributes = new DbConnectionAttributes();
        attributes.Collection.Add(new NameValuePair2(
                          DbConnectionAttributes.CONNINFO_CONNECTION_STRING, connString));
        attributes.Collection.Add(new NameValuePair2(
                          "Server", Server));
        attributes.Collection.Add(new NameValuePair2(
                          "UseDSNProperties", false));
        connectionInfo.Attributes.Collection.Add(new NameValuePair2
(                          DbConnectionAttributes.QE_LOGON_PROPERTIES, attributes));
        connectionInfo.Attributes.Collection.Add(new NameValuePair2(
                          DbConnectionAttributes.QE_SERVER_DESCRIPTION, Server));
        connectionInfo.Attributes.Collection.Add(new NameValuePair2(
                          "QE_SQLDB", true));
        connectionInfo.Attributes.Collection.Add(new NameValuePair2(
                          DbConnectionAttributes.CONNINFO_SSO_ENABLED, false));
        connectionInfo.IntegratedSecurity = false;
        connectionInfo.UserID = Username;
        connectionInfo.Password = Password;
        connectionInfo.ServerName = connString;
        connectionInfo.DatabaseName = ServerNamespace;
        connectionInfo.Type = ConnectionInfoType.CRQE;
        return connectionInfo;
I have also tried setting connectionInfo.ServerName equal to just the real server name, but that didn't work either.
After the above operations are performed, I simply assign the returned ReportDocument object to the Crystal Viewer control. If I don't call the above functions, and just set the ReportDocument source (using whatever connection string was embedded in the report originally), the report runs as expected. Only when I attempt to update the connection string, the report will not execute. Please advise. Thanks!

I am using the Crystal Report Viewer control in in a Visuall Studio 2008 C# project. The reports are created inside of Visual Studio 2008, and will be running against an InterSystems Cache database. I have to use an ODBC (RDO) connection and use a connection string.
I have seen many examples of how to update the connection string at runtime if it is SQL server (or some flavor thereof), but nothing for an ODBC (RDO) connection to a NON-MSSQL database.
The problem when I update the connection string for each of the tables in the report, the report will either not run and display a window -- titled 'Datbase Login' -- that has the Server, Database, Username, and Password fields on the window, OR, it will run but not against the database that was specified at runtime (it uses the connection stored in the report).
Code Sample #1 (This is using the connection string, and will cause a the "Database Login" window to be displayed - the first scenario from above) -- The code samples appear to be too long to post, so I will add them as seperate replies.
rd = new ReportDocument();
// Load the report
rd.Load(fileName, OpenReportMethod.OpenReportByDefault);
rd.Refresh();
// Create the connection object
ConnectionInfo connectionInfo = CreateConnection(Server, Port, ServerNamespace, Username, Password);
// Set the connection info on each table in the report
SetDBLogonForReport(connectionInfo, rd);
SetDBLogonForSubreports(connectionInfo, rd);
private static ConnectionInfo CreateConnection(string Server, int Port, string ServerNamespace, string Username, string Password)
        ConnectionInfo connectionInfo = new ConnectionInfo();
        string connString = "DRIVER=InterSystems ODBC;SERVER=" + Server + ";PORT=" + Port + ";DATABASE=" + ServerNamespace + ";UID=" + Username + ";PWD=" + Password;
        connectionInfo.IntegratedSecurity = false;
        connectionInfo.UserID = Username;
        connectionInfo.Password = Password;        //In examples that I have seen, this is the actual connection string, not just the server name
        connectionInfo.ServerName = connString;          connectionInfo.DatabaseName = ServerNamespace;
        connectionInfo.Type = ConnectionInfoType.CRQE;
        return connectionInfo;
// Code smple continued in the next reply

How to change Connection String property in DataLink tab with Database options at Runtime?

Hello
please help me with your suggestions on the subject.
I need to set "connection String" property at runtime as a result of some operation so as to log data in one of the 2 different database available.
Regards
Nitin Goel

Hello Goel,
are you thinking about something like this:
Message Edited by frankne on 07-15-2009 01:40 AM

How to change Text to Number in Excel 2013

Hi,
I imported and parsed a large CSV file (75000 rows) with 4 columns as numbers. They arrive in Excel as text with a "." as decimal separator. In Excel options, I set the decimal separator to "." but data remains as text. I could edit and
enter each cell to convert it as number but I have 4 x 75000 cells...
Any idea ?
Thanks for your help

Hey Wlid1966,
This simple action, I've included some links that explain you step by step:
http://www.extendoffice.com/documents/excel/582-excel-change-text-to-number.html
http://www.extendoffice.com/documents/excel/671-excel-change-number-to-text.html
http://www.accountingweb.com/article/three-ways-convert-text-based-numbers-values/222008
Please Mark This As Answer if it helps to solve the issue
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Issue connecting tables between 2 excel 2013 workbooks.

I have 2 separate Excel documents and I want to join it together so:
-Document 1: simple document. I insert 3 columns (A,B,C)and some numbers on each colums.
-Document 2: simple document. I insert 3 columns (A,B,C)and some numbers on only 2 of them.
1.Now I want do have in column 3 of "document 2" (that has no numbers) the same number as column 3 in "document 1".
2.I do drag and drop and all is ok.(It creates a nice formula)
3.After saveing the files I decided to add a column and some numbers between column B and C in "document 1". ( now I have 4 columns and not 3)(A,B,C,D)
4.Now I go to document 2 and the value is not the one I expected to have (first value of column C that now is column D)
Why is this happening? Is it some unknown bug? Do I need to update the links between the 2 files all the time?

This only happens if you change the file while the other one is closed. In order to maintain relationships, you need to have all files open that refer to the one your are changing.
BR, Imke

Change date format in ms excel 2013 form MM-DD-YYYY to DD-MM-YYYY

Dear sir
I have got a database from my client where the entire dates are in MM-DD-YYYY format. However my system runs in DD-MM-YYYY format(based on my company lines).
So i need to convert this MM-DD-YYYY to DD-MM-YYYY format
Please help
Thank you

If you want to change the format in excel ,Click 'Home' Tab in the Ribbon-> In 'number 'Group->Choose 'more number format'-> 'custom'->change the 'type' as "DD-MM-YYYY".
Or use the formula =TEXT(A1,"DD-MM-YYYY")
If you want to change the format when export it from SQL Server Database to excel.
Use
select Convert(VARCHAR(10),column name,105) as date from
database name

Change Connection Strings?

Hi everyone,
When developing a Sinea App, especially in the context of using Office 365 or SharePoint, can we have a method or mechanism to change the data connection without having to remove and re-add the data source.
While developing the app we might choose to connect to lists and libraries in a Dev site and before we publish the app we would want to change the URLs to point to a production site or server.
Regards,
James.

Hi James,
Currently for Office 365, this is the only way to swap out sources in the manner you described. The reason is when you add the data source and successfully sign in, we grab key details such as what tenant you are on? What services are available to you? And
bake those into the connector.
Therefore, when switching between development and production sites, this information will change and as such we need to query the server for these key details again, and add the connector configured appropriately for this new server. As long as the
names are the same, most of the rules should be fine, but we definitely understand that there will be some friction.
As we evolve the product and the oppourtunity arises, this is definitely something we'll consider. Many thanks for the feedback.

Change connection string in MS Excel 2013 powerpivot

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