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BOOK: Beginning ASP.NET 4.5 : in C# and VB
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Old October 31st, 2015, 10:49 PM
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Default Set default of GenreList?

Page 582: If it's not a postback but the ID = -1 and I'm adding a new review, how do I set a default value for genre? Also, how do I eliminate a genre option?

Last edited by Grodnik; November 1st, 2015 at 12:04 PM.. Reason: update
Old November 1st, 2015, 02:44 PM
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With pretty much the same code as on page 582, but then you would pass in your own genre ID to FindByValue instead of retrieving one from the review.

How to exclude genres depends. One way would be to add some kind of flag in the database and then update your LINQ or SQL queries to skip items with a specific value.


Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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Grodnik (November 8th, 2015)
Old November 7th, 2015, 03:03 PM
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Thank you, Imar! I like to avoid flags, but in this case it was a great suggestion. If the flag is set, I can actually skip the dropdown entirely and set the default in the code. (although it took a while to realize that I had to include runat server for the table row - it's a steep learning curve.)

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