Forms Data Controls :: Foreign Key Text Values Disappeared From Gridview?

Aug 2, 2010

I have a strange problem. I suddenly noticed that the gridviews on my list.aspx page are now displaying the numeric foreign key value rather than the display column value. For example, instead of displaying:

[Code].....

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[code]...

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int ID;
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[code]....

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I'm lost. I have a sub gridview in a gridview. In subGridbiview I have a button. How do I can clicking the button and get values outside the gridview? The subgridview not present the events ...

------------------------Gridview 1------------------------------------------

| cell(0) | cell(1) | Cell(2)| Cell(3 - ITEM TEMPLATE) | -
| | | | # # # SubGridview1 ######### -
! x1 | Y1 | Z1 | # Cell(0) ! Button #-
! | | | ######################-
------------------------------------------------------------------------------
| | | | # # # SubGridview1 ######### -
! x2 | Y2 | Z2 | # Cell(0) ! Button #-
! | | | ######################-
------------------------------------------------------------------------------

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[Code]....

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I would like to ask a question on the visual basic codes to loop the gridview to retrieve the values and based on the values, it will be provided as parameters to update to the database table using stored procedure.

Firstly, I have a gridview named grvProduct. The page (ui) will be loaded with data from the database with the use of stored procedures. And only certain values can be edited through the use of template in gridview. So based on those edited values, I'm supposed to pass these values as parameters to the stored procedure which will then update a database table.

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Below is my visual basic codes:

[Code]....

Below is my Stored Procedure code:
[Code]....

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How to delete values in case of foreign key?

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I have dropdownlist that maps from a SQL foreign key, which can be NULL.

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Do I have to do something in my SELECT statement or do I have to do something on DDL.Databind?

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