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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Changing the Length of the TabName in the Tabs Database TableChanging the Length of the TabName in the Tabs Database Table
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8/25/2009 1:43 PM
 
Anthony Sansone


Joined: 3/15/2008
Posts: 273

How do you change the length of the TabName in the Tabs Database Table?

The current length property is set to nvarchar(50) and I need to change it to nvarchar(100).

Here is the message I receive after trying to save the change in Microsoft SQL Server Management Studio 2008:

Saving changes is not permitted. The changes you have made require the following tables to be dropped and re-created. You have either made changes to a table that can't be re-created or enabled the option Prevent saving changes that require the table to be re-created.

Tabs


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8/25/2009 8:22 PM
 
Sebastian Leupold


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www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212

like the message says, you might be able to increase size in database, however, you will most likely need to increase size of DNN business object property as well (and recompile).

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Sebastian Leupold

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8/25/2009 11:45 PM
 
Jeremy Farrance


www.accuraty.com
Joined: 9/21/2005
Posts: 136

To get by that error you need to export the data out of the table, truncate it (delete all records), then make the changes and load the data again.  However, there are probably some business rules in code that you will need to change.  Don't take this lightly as it means you will have significant extra steps each time you update DNN to the latest version.  It seems to me that there might be another solution or two to your problem.  You only asked for a specific solution - can you tell us what the problem is that you are trying to solve?  I realize you need longer tab/page names, but can you provide a description of the requirement?  If you had the longer names how/where will they be visible?  Will they have additional uses, etc?

- Accuraty / Jeremy
 
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8/25/2009 11:51 PM
 
Anthony Sansone


Joined: 3/15/2008
Posts: 273

I found the answer here:
http://www.sql-server-performance.com/faq/saving_changes_not_permitted_p1.aspx 

After I followed those directions I also had to change the TabName text box width setting in the ~/Admin/Tabs/managetabs.ascx file.

Here is what I changed:
<asp:TextBox ID="txtTabName" CssClass="NormalTextBox" runat="server" MaxLength="100"
                                            Width="300"></asp:TextBox>

Finally I opened up Microsoft SQL Server Management Studio 2008 and went to the Tabs Table and right clicked and selected design. I then was able to change the length of the TabName from nvarchar(50) to nvarchar(100).


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9/13/2009 4:13 PM
 
njchim

Joined: 7/10/2008
Posts: 24

I also need to make this longer and followed these directions.  The TabName column now is a nvarchar(100) and I changed the input on the manage page.  However it still seems to be cutting my page names short.  I can enter more than 50 characters but when I save the name is still get chopped off.  I ran 'sp_columns Tabs' under Host->SQL and verified that column is now nvarchar(100)...

TABLE_OWNER TABLE_NAME COLUMN_NAME DATA_TYPE TYPE_NAME
dbo Tabs TabName -9 nvarchar

Any ideas?

 
 
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